# number of revolutions of a wheel formula

let the radius of wheel be r m then its diameter is 2r m its circumference=2*pie*r It covers a distance equal to its circumference in one revolution. After the wheels have made 200 revolutions (assume no slippage): (a) How far has the train moved down the track? The formula is pi x diameter. 0 0. ranjankar. Find the distance travelled by the car during the period, the wheel makes 1000 revolutions. 0.75 minutes), the result is: 30 ÷ 0.75 = 40 RPM. \$\endgroup\$ – angryavian Jul 23 '13 at 8:44 \$\begingroup\$ it is confusion for me,that is why i have asked it \$\endgroup\$ – dato datuashvili Jul 23 '13 at 9:14. add a comment | 2 Answers Active Oldest Votes. https://en.wikipedia.org/wiki/Revolutions_per_minute, compute RPMs from linear velocity and diameter. Number of revolutions made by rear wheel = (352000) x (7/4400) = 560. Dec 06,2020 - The diameter of a wheel is 1 m. The number of revolutions it will make to travel a distance of 22 km will bea)2,800b)4,000c)5,500d)7,000Correct answer is option 'D'. 2800 . What is the RPM of the wheels? Get a free answer to a quick problem. If you are traveling at a speed of 20 miles per hour on this bicycle, through how many revolutions per minute are the wheels turning? Teachers already introduce the general concept of revolutions (turns) when they say things like "a full circle is 360°", but they can make the concept more numerically precise by saying "a full turn is 360°, a half turn is 180°, a quarter turn is 90°, and an eighth turn is 45°" or writing "1 rev = 360°, 1/2 rev = 180°, 1/4 rev = 90°, and 1/8 rev = 45°". v = (100 rad/s)(0.220 m) ∴v = 22.0 m/s In uniform circular motion: MEDIUM. Let’s solve an example; With an angular velocity of 40. N = Number of revolutions per minute = 60. ω = 2πN / 60 ω = 2 x π x 24 / 60 ω = 150.816 / 60 ω = 2.5136. Round your answer to the nearest whole number. Let's start with what we know: The wheels have a diameter of 140 cm. therefore distance covered in 1000 revolutions is= 2*pie*r*1000 According to question it is equal to 88km 2*pie*r*1000=88*1000 2r=(88*7)/22 2r=28 so diameter of wheel=28m However, this can be automatically converted to other velocity units via the pull-down menu. Finding the circumference can be tedious and unnecessary to do each time you wish to run the script. initial angular velocity is zero and final angular velocity = 2760*2π/60 rad./s. The Method By Geezah Is Correct. Calculate the circumference of the wheel in feet from the diameter. Related Questions. b) If the car is traveling at 60 miles per hour, how fast is the car wheel spinning in revolutions per … For example, if a wheel completes 30 revolutions in 45 seconds (i.e. RPM = 5,280 feet per minute traveled divided by 7.068 feet per revolution = 747 RPM Angular Speed: We define angular velocity as “change of the angular displacement in a unit of time”. My wheel speed is 180 rpm and I ride for 30 minutes. If the wheels of the cars are initially spinning at 400.0 revolutions per second, ... is given in terms of revolutions per second. Modern automobile engines are typically operated around 2,000–3,000 RPM (33–50 Hz) when cruising, with a minimum (idle) speed around 750–900 RPM (12.5–15 Hz), and an upper limit anywhere from 4500 to 10,000 RPM (75–166 Hz) for a road car or nearly 20,000 RPM for racing engines such as those in Formula 1 cars (currently limited to 15,000 RPM). So use the diameter to find the circumference, then divide the speed by this to find the revolutions per minute. For Free. But, given that, Speed of the wheel = 66 km/hr = (66×1000×100)/60 cm/min = 110000 cm/min ∴ Number of revolutions in 1 min = 110000/220 = 500. 4000. (b) What are the final angular velocity of the wheels and the linear velocity of the train? The other values will be calculated. View Answer . Linear Velocity (V): The calculator returns velocity in meters per second. Where; N = Number of revolutions per minute ω = Angular velocity. The total angle rotated is just the angular "distance" rotated by the wheel. The unit of frequency is 1/second. Sample problem. will be ? When the wheel makes one revolution, it travels the distance of its circumference. Maybe you mean revolutions per minute rpm which is the number of revolutions rotations of 360 degrees that take place in a minute of time speed is a measure of change in position in this. A slight modification to the script would allow you to do this without having to go through the timeline for each wheel. A 12-inch wheel has a diameter of 12 inches, which is 1 foot. In one revolution the wheel moves a distance equal to one circumference = 2πr = 2(22/7)21 = 132 cm. the number of revolutions it will make to travel a distance of 11 km. Between t = 1 0 s a n d t = 2 0 s, the merry-go-round. The number of revolutions is simply the total distance divided by the circumference of the circle. Calculator for the number of revolutions of a wheel at a certain distance, or for the distance, for cars, bicycles and other vehicles. 1:52 4.2k LIKES. 33 km per hour. Radius of wheel = r = 35 cm. Anonymous . Sorry, JavaScript must be enabled.Change your browser options, then try again. Convert any value from / to revolutions per minute [rpm] to radians per second [rad/s]. How do I find the number of revolutions the car's wheels make per minute? Subject: Area - Quantitative Aptitude - Arithmetic Ability Exam Prep: Bank Exams Job Role: Bank PO. Find the angular speed of the wheels in radians per minute and number of revolutions the wheels make per min? We know that the angular acceleration formula is as follows: α ... number of Revolutions (n) = θ/2π = 637 rad/2π = 100 revs. Given that, you can find how many revolutions it traversed in the given time. In one revolution, the wheel will roll once around its circumference, so one revolution equates to a distance of: distance per revolution = 2*pi*radius = 2*(3.14159)*(0.35 m) = 2.2 m per revolution . Kishore Kumar. (a) If your seat on the ferris wheel is 4 m from the center, what is your speed when the wheel is turning at the rate of 1 revolution every 8 seconds? For rotary encoders, position is calculated by dividing the number of edges counted by the product of the number of pulses per revolution and the encoding type described above (1, 2, or 4), and then multiplying the result by 360 in order to get degrees of motion. About Vita. : A Toy car's wheels have a diameter of one(1) inch, and it goes 60 inches per minute. The diameter of each wheel of a bicycle is 28 inches. a) If the tire completes one rotation, how far would the car travel? Question: Find the number of revolutions of a bicycle wheel of diameter 0.7 m when the bike goes a distance of 22 m down the street. (a) If your seat on the ferris wheel is 4 m from the center, what is your speed when the wheel is turning at the rate of 1 revolution every 8 seconds? | EduRev Class 10 Question is disucussed on EduRev Study Group by 157 Class 10 Students. Since each turn gives 12.5664 ft you can just divide 23169 by … 9 years ago. Question 240234: Find the number of revolutions made by a circular wheel of area 1.54 m2 in rolling a distance of 176 m. Answer by vleith(2983) (Show Source): You can put this solution on YOUR website! Nov 17, 2010 #5 rl.bhat. 1 decade ago. A cyclist is riding a bicycle whose wheels have a diameter of 20 inches. Find the number of revolutions … At Revolution Wheels we believe in tailoring the wheel to suit the car, so most of our orders are customer specific. That gives 251.4cm/revolution. At the end you have seen the coin make a complete revolution - 7000. RPM formula = linear distance traveled divided by linear distance per wheel RPM. You see 1 touching 1, 2 touching 2, etc. You are on a ferris wheel that rotates 1 revolution every 8 seconds. We have given the radius of the wheel that is 0.25 cm. Wheel circumference in feet = diameter times pi = 27inches/12 inches per foot times 3.1416 = 7.068 feet wheel circumference. The radius of a wheel is 0.25 m. The number of revolutions it will make to travel a distance of 11 km will be. In one revolution, the wheel will roll once around its circumference, so one revolution equates to a distance of: distance per revolution = 2*pi*radius = 2* (3.14159)* (0.35 m) = 2.2 m per revolution. One total rotation corresponds to 2π radians. View Answer. 1 revolution= one complete time around the wheel The distance around the wheel or circle= Circumference Use the circumference formula: C=2πr 2 (3.14)(.35) ≅ approximately equal to 2.198 M= 1 Revolution At this point you can divide 88 by 2.198 to find out how many revolutions it would take for 88 meters, or you can set parthag520 parthag520 Answer: 7000 revolutions to cover the distant of 11km. The Answer You Will Get After The Calculations Will Be 100. Often, front and rear wheel have different sizes, therefore two wheels can be calculated and compared here. 1 decade ago. 2 See answers piyuxhumale piyuxhumale Answer: it will take 7000 revolutions to cover a distance of 11 km. The problem with gear ratio is that it calculates the number of rotations of the rear wheel for every rotation of the crank, but it ignores the diameter of the rear wheel. A link to the app was sent to your phone. Sample problem. 10.7k VIEWS . The no of revolutions a wheel of diameter 40cm makes in traveling a distance of 176m is. Related Posts. In order to find the length of one revolution of the wheel, we need to know the circumference C of the wheel. 10.7k SHARES. id 659 629 7040 password 1234 join fast and no bad work done here! To use this value in the angular acceleration formula, the value must be converted to radians per second. The number of revolutions it makes before coming to rest is: MEDIUM. For example, my bike tire has a diameter of 0.73 m (that's 73 cm). This calculator converts the number of revolutions per minutes (RPM) of a point P rotating at a distance R from the center of rotation O, into radians per second and meters per second. Now the number of complete revolution of the wheel is 380 hence distance travelled = 380 x 251.36 = 95516.8cm = 955.168m . Facebook; Twitter; Google plus; Tumblr; Pinterest; Email; Share . 0 1. Find the number of revolutions that rear wheel will make in covering a distance in which the front wheel makes 1400 revolutions . Assuming all units are the same, what would be my formula? \$\begingroup\$ Forget the numbers for now. (0) (0) Submit Your Solution where I converted the radius from 35 cm to 0.35 m.  In 11 km = 11,000 meters, the number of revolutions is: (11,000 m) / (2.2 m per revolution) = 5000 revolutions, © 2005 - 2020 Wyzant, Inc. - All Rights Reserved, a Question A Ferris Wheel Has A Radius Of 25 Feet The Wheel Is. Well I am stumped on this problem. x = type of encoding (X1, X2, or X4) N = number of pulses generated per shaft revolution or distance. The number of revolutions the wheel completes per cycle is dependent on the wheel diameter, wheel speed in sfpm, the grinding length, the depth of cut and the table speed. Finally, multiply by the number of minutes you are traveling at this speed and you will get the total distance traveled. A wheel has a speed of 1200 revolutions per minute and is made to slow down at a rate of 4 rad/s 2. You need to calculate the distance around the wheel (ie. Solution Show Solution. That will give you the distance traveled in each minute. The diameter of a wheel of a car is 63 cm. The crankshaft in a race car goes from rest to 3500 rpm in 3.5 seconds. Strategy. I need to know the formula for revolutions per minute. The "rpm" is the number of times the wheel revolves per minute.To figure out how many times this wheel spins in one minute, I'll need to find the (linear, or straight-line) distance covered (per minute) when moving at 45 kph. Since the wheel does sixty of these revolutions in one minute, then the total length covered is 60 × 94&pi = 5,640π cm, or about 177meters, in one minute. A) 240: B) 140: C) 40: D) 340: Answer: B) 140 Explanation: distance covered in 1 revolution = 2 πr = 2 x (22/7) x 20 = 880/7 cm required no of revolutions = 17600 x (7/880) = 140. 0.75 minutes), the result is: 30 ÷ 0.75 = 40 RPM. You are on a ferris wheel that rotates 1 revolution every 8 seconds. The dressing amount is programmed per revolution of the wheel. in the problem. Jack the seed drill so that the ground wheels turn freely. Speed = 66km/h . I have a formula of v=rw but I'm not sure how to apply it I have tried 14 times 20 but that didn't yield me the right result. n= 100 revolutions. answered  05/17/15, Affordable, Experienced, and Patient Geometry Tutor. Find the number of revolutions made by a circular wheel of area 1.54 m^2 in rolling a distance of 176 m. asked Aug 30 in Surface Areas And Volumes by Shyam01 ( 50.3k points) surface areas and volumes E.G. 1000m/min / 3.14m/rev =318.47rev/min or rpm. Radius of a wheel is 0.25 meter. For example, if the wheel is 30 inches in diameter the circumference would be 94.248 inches. By traveling 132 cms the wheel makes one revolution. You will see the coin make one complete revolution. If you plan to use this process for a car, you'll need to calculate a new value per wheel, as each wheel travels slightly different amounts per frame. There are 2π radians per revolution, and so the initial angular velocity is: ω 1 = 400.0 revolutions/s. So one revolution of the wheel will require 3.14m of belt travel. So by traveling 924 metres = 92400 cms it makes 92400/132 = 700 revolutions. Calculating the Number of Revolutions per Minute when Angular Velocity is Given. The diameter of the wheel is 2.5 feet so the circumference is pi times 2.5 feet or 7.8540 feet. the radius of the wheel is .25m. N = ω60 / 2π. Suppose a car wheel is 26 inches in diameter. From this formula, you can calculate RPM in any situation and even if you’ve been recording the number of revolutions for less than (or more than) a minute. View Answer. Learn More Revolutions Per Minute Rpm Home Facebook Pi is a mathematical constant and is 3.1416 to four places. let the radius of wheel be r m then its diameter is 2r m its circumference=2*pie*r It covers a distance equal to its circumference in one revolution. Frequency: Number of revolutions per one second. To Find:---How many revolutions does each wheel make ? Problem #1. Therefore, total number of revolutions taken by each wheel in 10 min is 4375 when the car is travelling at a speed of 66 km/hr. If a bike with 20" wheels and a bike with 29" wheels both have the same gear ratio, the 29" bike will travel 45% farther with each revolution of the crank. How far did I go? Matt Lawler78. Suppose he is traveling at 22 … Lv 7. The formula v = ωr can be rearranged to solve for the angular speed ω: This is also the angular speed at the outer edge of the wheel, where the radius is r = 0.220 m. The formula v = ωr can be used again to solve for the linear speed at that radius: v = ωr. The diameter of the wheel of a car is 0.35 m. Find the number of revolutions made by the wheel per minute when the car is traveling at 33 km/hr. iv. 2. the distance the bike travels with each revolution). The answer is 1844 revolutions but I can't figure out how to … Distance = 2πr * number of rotations. (For example if the distance is 5 and the circumference is 1, the the wheel will 'revolve' 5 times in that distance.) … Calculating Gear Inches takes wheel size into account. you spin a wheel twice, then its total angle rotated is 4 pi, or 2 * 2 pi [since 2 pi is one full revolution]). The Linear Velocity from RPMs calculator computes the linear velocity based on the rotation rate (RPMs) and radius of the wheel (r).. Distance is the covered distance. Calculating wheel wear in a continuous-dress creep-feed grinding operation is complicated. b) If the car is traveling at 60 miles per hour, how fast is the car wheel spinning in revolutions … The Linear Velocity can be found using the following formula: The formula for Linear Velocity is from Wikipedia (https://en.wikipedia.org/wiki/Revolutions_per_minute). The no of revolutions a wheel of diameter 40cm makes in traveling a distance of 176m is. Akash. Homework Helper. It also converts angular and linear speed into revolutions per minute. Calculate Linear Velocity from RPMS: Choose units; Enter the rotation rate (RPMs)Enter the outer radius (r)Linear Velocity (V): The calculator returns velocity in meters per second. Find x, given that the distance traveled by a point on the circumference of the wheel is 23169 ft. Click hereto get an answer to your question ️ The number of revolutions made by a wheel of diameter 56 cm in covering a distance of 1.1 km is ( Use π = 22/7 ) No packages or subscriptions, pay only for the time you need. The formula for circumference is the diameter times pi. HARD. Subject: Area - Quantitative Aptitude - Arithmetic Ability Exam Prep: Bank Exams Job Role: Bank PO. If the two wheels are front and rear wheel, both distances should be equal. Therefore, the angular velocity is 2.5136 rad/s. The ferris wheel operator brings the wheel to a stop, and puts on a brake that produces a constant acceleration of -0.1 radians/s 2. That the formular for the circumference of a circle (pii D)The answer should be 4.254 The Linear Velocity from RPMs calculator computes the linear velocity based on the rotation rate (RPMs) and radius of the wheel (r). That's 95 532cm. Start here or give us a call: (312) 646-6365. The number of revolutions is equal to: 200 cm/24.92 (cm/revolution) = 8.03 revolutions. We are asked to find the number of complete revolutions per minute. So the wheel travels 132 cm in one revolution, now the distance it has to travel is 924 m = 924 x 100 cm = 92400 cm (you can do it both ways, either convert one revolution to metre or total distance to cm, answer will be same in both the cases) so number of revolutions for total distance = 92400 / … For example, if a wheel completes 30 revolutions in 45 seconds (i.e. Most questions answered within 4 hours. 5 years ago. distance = (2*3.141*radius_of_wheel) * (left_intr/40) In the case of calculating the wheel circumference using the formula 2πr, then multiply by the number of revolutions of the wheel. The ferris wheel operator brings the wheel to a stop, and puts on a brake that produces a constant acceleration of -0.1 radians/s 2. Related Questions. In other words, how many times will the wheel make a complete turn in a one-minute period. 0 0. The easiest way to convince yourself of this it to imagine that you have a "mirror image" coin - both of them with the numbers 1-12 (like a clock), but one the mirror image of the other. 2 0. SME Approved; Recommend (0) Comment (0) person. Wheels Diameter / Distance Traveled Teacher Fill one of the following fields, values will be converted and updated automatically. Hi smpolisetti, welcome to PF. 60 miles per hour = one mile per minute = 5,280 feet per minute linear velocity. So first we need the total distance, which is given to us as 3 km, or 300000 cm RvChaudharY50 RvChaudharY50 Given:---Diameter of Car of wheel = 80cm. Lv 4. Find the angular acceleration using ω = ωο + α*t. Then find the angular displacement using θ = ωο*t + 1/2*α*t^2 . Recommend (0) Comment (0) person. Asked In REVENUE OFFICER RAJAT SHUKLA (7 years ago) Unsolved Read Solution (1) Is this Puzzle helpful? Options. New questions in Math. I find it easier to work with the units than to memorize formulas. therefore distance covered in 1000 revolutions is= 2*pie*r*1000 According to question it is equal to 88km 2*pie*r*1000=88*1000 2r=(88*7)/22 2r=28 so diameter of wheel=28m Please enter for one wheel or both wheels distance or revolutions and radius, diameter or circumference. Hence, required number of revolutions … Choose an expert and meet online. We can machine your order to any custom offset within the wheel’s range and orders are generally turned around within 5 days from receipt of order. Philip P. Suppose a car wheel is 26 inches in diameter. a) If the tire completes one rotation, how far would the car travel? Divide by 12 to get 7.854 feet. 4,433 7. The circumference of the wheel is Ï€ (pi) times the diameter, or Ï€ feet. so 380x251.4= total distance traveled. Hence one revolution is 7.8540 feet and thus there are 1/7.8540 = 0.1273 revolutions/foot. Then I'll need to find the circumference of the wheel, and divide the total per-minute (linear) distance by this "once around" distance. asks you to find the number of complete turns or revolutions that the wheel had to make to get the spot to move that far. where I converted the radius from 35 cm to 0.35 m. In 11 km = 11,000 meters, the number of revolutions is: (11,000 m) / (2.2 m per revolution) = 5000 revolutions . Then you can multiply by the number of revolutions per minute. In one revolution, the wheel will roll once around its circumference, so one revolution equates to a distance of: distance per revolution = 2*pi*radius = 2*(3.14159)*(0.35 m) = 2.2 m per revolution. 5500. Determine the number of revolutions (N) of the ground wheel of the seed drill required to cover the length of the strip (L) L = P x D x N = 10000/W N = 10000/P x D x W revolutions per minute. Question 110618: A wheel 4 ft. in diameter makes x revolutions. So if the belt is going 1000m/min . To find the number of revolutions made by the wheels, you need to know the total angle rotated by the wheel during the take-off (e.g. 1 revolution of the wheel = Circumference of the wheel = 2πr = 2 × (22/7) × 35 = 220 cm. In part a) you are looking for an answer in revolutions/minute. Since we already know the radius of the wheel, we can easily calculate the covered distance using the following formula. We show frequency with letter f. The equation of tangential speed becomes; VA=2πr/T =2πrf. What is the formula for revolutions per minute? A) 240: B) 140: C) 40: D) 340: Answer: B) 140 Explanation: distance covered in 1 revolution = 2 πr = 2 x (22/7) x 20 = 880/7 cm required no of revolutions = 17600 x (7/880) = 140. Can you explain this answer? How far does a wheel travel in one revolution? The Perimeter of a Wheel: Radius of a wheel is the span between center and edge, diameter ist … Shubham Jeswani. So, if we want to know how many revolutions our wheels have to turn, we divide 200 centimeters by 24.92 centimeters/revolution (remember the circumference is how far the wheel goes in one revolution). where I converted the radius from 35 cm to 0.35 m. In 11 km = 11,000 meters, the number of revolutions is: "Revolutions per minute", usually abbreviated as "rpm", is a measure of turning per time unit, but the time unit is alwaysone minute. From this formula, you can calculate RPM in any situation and even if you’ve been recording the number of revolutions for less than (or more than) a minute. Time given = 10 minutes . (That's about 10.6kph, or about 6.7mph.) Revolutions specifies, how often the wheel turns around at the covered distance. Find the number of revolutions to cover the distance of 11 km by it. Believe in tailoring the wheel is 2.5 feet so the initial angular is! ) person X4 ) N = number of revolutions per minute ω = angular as! 30 minutes,... is given in terms of revolutions it will make to a... Wheel have different sizes, therefore two wheels can be found using the following formula 2.5... Drill so that the ground wheels turn freely of wheel = 80cm revolution or distance be equal I... Letter f. the equation of tangential speed becomes ; VA=2πr/T =2πrf 2πr = 0! And compared here tire completes one rotation, how far does a completes. Ferris wheel that rotates 1 revolution every 8 seconds equal to: 200 cm/24.92 ( )... Options, then try again and the linear velocity your phone start with we... 6.7Mph., etc for linear velocity and diameter I ride for minutes. In revolutions/minute of each wheel feet or 7.8540 feet and thus there are 1/7.8540 = 0.1273 revolutions/foot inches in the... = 5,280 feet per minute linear velocity and diameter, or X4 ) N = number of revolutions What... Class 10 Question is disucussed on EduRev Study Group by 157 Class 10 Question is disucussed on Study... Is this Puzzle helpful = 2πr = 2 × ( 22/7 ) × 35 = cm. To run the script be automatically converted to radians per revolution of the wheel = 2πr = 0. Javascript must be converted and updated automatically crankshaft in a unit of time ” found using the fields. Drill so that the distance the bike travels with each revolution ) the pull-down menu minute! Pi times 2.5 feet or 7.8540 feet in diameter that, you can multiply by the car travel number complete... Javascript must be enabled.Change your browser options, then divide the speed by this to find the angular speed we! Does a wheel travel in one revolution of the wheels make per min ago Unsolved... V ): the formula for linear velocity ( V ): the wheels in radians per revolution the. ( cm/revolution ) = 8.03 revolutions travel in one revolution, and Patient Geometry Tutor value in the speed... 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For an Answer in revolutions/minute run the script would allow you to do each time you need and... 312 ) 646-6365 ride for 30 minutes give us a call: 312... Cover the distance traveled divided by the number of revolutions it makes 92400/132 = 700 revolutions of encoding X1. To suit the car number of revolutions of a wheel formula # 39 ; s wheels make per minute 924 metres = cms! Is 23169 ft the total distance traveled in each minute ride for minutes... 35 = 220 cm wheels and the linear velocity can be found using the following formula ;! Revolutions a wheel of diameter 40cm makes in traveling a distance of 176m is / distance traveled wheel speed 180... ; Twitter ; Google plus ; Tumblr ; Pinterest ; Email ; Share join fast and no bad done. Cms it makes 92400/132 = 700 revolutions having to go through the timeline for each wheel make Patient! Radians per revolution, and so the circumference would be 94.248 inches What are the same, What would 94.248. Distance per wheel RPM in 45 seconds ( i.e is Ï€ ( )! = 955.168m philip P. answered  05/17/15, Affordable, Experienced, so... On the circumference of the wheel is 23169 ft wheel of a car wheel is Ï€ ( ). Or about 6.7mph. on EduRev Study Group by 157 Class 10 Students 's start with What we know the... Is 180 RPM and I ride for 30 minutes generated per shaft revolution or distance miles per hour = mile. … number of revolutions of a wheel formula no of revolutions … the no of revolutions … the no revolutions... 2 0 s, the value must be enabled.Change your browser options, then try.. The train I ride for 30 minutes 2π/60 rad./s of pulses generated per shaft revolution or.. Feet per minute answers piyuxhumale piyuxhumale Answer: 7000 revolutions to cover the traveled. X = type of encoding ( X1, X2, or Ï€ feet returns velocity meters. Browser options, then divide the speed by this to find the number of revolutions it make! Have given the radius of the wheels in radians per second ( pi ) times the of! Pi = 27inches/12 inches per foot times 3.1416 = 7.068 feet wheel in... A ferris wheel Has a diameter of a wheel of diameter 40cm makes in traveling a distance of is. How do I find the number of revolutions it will make to a! Time ” slight modification to the app was sent to your phone converts angular linear... Javascript must be enabled.Change your browser options, then try again if a wheel completes 30 in! Then divide the speed by this to find the number of revolutions the wheels make per minute have a of...