physics
posted by phil .
A bicycle wheel of radius 0.4 m is spinning at a rate of 40 revolutions per minute.
What is the centripetal acceleration of a point on the edge of the wheel?
What is the period of the wheel's motion?

40rpm=80PI/60 radians/s =1 1/3 PI rad/s=w
centripetal acceleartion=w^2 r
Period=1/freq=2PI/w
Respond to this Question
Similar Questions

Math
A bicycle wheel is 30 inches in diameter. a. to the nearest revolution, how many times will the wheel turn if the bicycle is ridden for 3 miles. b. suppose the wheel turns at a constant rate of 2.75 revolutions per second. What is … 
Physics
The wheel of a car has a radius of 0.288m and is being rotated at 830 revolutions perminute on a tireblanacing machine. a)Determine the speed at which the outer edge of the wheel is moving. b)Determine the centripetal acceleration … 
physics
a wheel of radius R rotates making f revolutions per second. the quantity f is know as the frecuency of the motion. show tha 1/f is the time to complete one revolution, called the period T of the motion. show that the centripetal acceleration … 
physics help!!
a wheel of radius R rotates making f revolutions per second. the quantity f is know as the frecuency of the motion. show tha 1/f is the time to complete one revolution, called the period T of the motion. show that the centripetal acceleration … 
Physics
A particular Ferris wheel (a rigid wheel rotating in a vertical plane about a horizontal axis) at a local carnival has a radius of 20.0 m and it completes 1 revolution in 9.84 seconds. (a) What is the speed (m/s) of a point on the … 
Physics
A bicycle wheel of radius 0.2 m is spinning at a rate of 70 revolutions per minute. 
Science
You are holding the axle of a bicycle wheel with radius 30 cm and mass 1.07 kg. You get the wheel spinning at a rate of 79 rpm and then stop it by pressing the tire against the pavement. You notice that it takes 1.11 s for the wheel … 
Physics
A bicycle wheel of radius 0.30 m is spinning at a rate of 60 revolutions per minute. What is the centripetal acceleration of a point that is 0.11 m from the outer edge of the wheel? 
Physics
You are holding the axle of a bicycle wheel with radius 35 cm and mass 1 kg. You get the wheel spinning at a rate of 55 rpm and then stop it by pressing the tire against the pavement. You notice that it takes 2.0 s for the wheel to … 
Physics
A 70 cm diameter wheel is rotating at 1 300 revolutions per minute and a small 5g mass is fixed to the outer edge of the wheel. Calculate the strength and direction of the centripetal force that is exerted on the mass.