Physics
posted by Max .
A cyclist starts from rest and pedals so that the wheels make 7.7 revolutions in the first 5.1 s. What is the angular acceleration of the wheels (assumed constant)?

Physics 
drwls
(1/2)*alpha*t^2 = 2 pi * 7.7 radians
alpha = 4 pi * 7.7/ t^2
alpha is the angular acceleration in radians/s^2
Respond to this Question
Similar Questions

College Physics
A cyclist starts from rest and pedals so that the wheels make 7.7 revolutions in the first 5.1 s. What is the angular acceleration of the wheels (assumed constant)? 
phys6
A cyclist starts from rest and pedals so that the wheels make 8.1 revolutions in the first 5.4 s. What is the angular acceleration of the wheels (assumed constant)? 
Physics
If you step on your car's brakes hard, the wheels stop turning (i.e., the wheels "lock") after 1.5 revolutions. At the same constant acceleration, how many revolutions do the wheels make before stopping if your initial speed is twice … 
Physics
A car starts from rest and accelerates uniformly to a speed of 50km/h in 18s. If the wheels of the car are 70cm in diameter. Calculate; a.The final angular velocity of the wheels b.angular acceleration 
Math
A truck with 40in.diameter wheels is traveling at 50 mi/h. a) Find the angular speed of the wheels in rad/min b) How many revolutions per minute do the wheels make? 
Physics
A cyclist starts from rest and pedals such that the wheels of his bike have a constant angular acceleration. After 20.0 s, the wheels have made 219 rev. What is the angular acceleration of the wheels? 
physics
A dragster starts from rest and accelerates down a track. Each tire has a radius of 0.320 m and rolls without slipping. At a distance of 382 m, the angular speed of the wheels is 255 rad/s. Determine (a) the linear speed of the dragster … 
Trigonometry
a bicycle with 24inch diameter wheels is traveling at 15mi/hr. a) Find the angular speed of the wheels in rad/min. b)How many revolutions per minute do the wheels make? 
Physics
Suppose you start riding your bicycle from rest, and the wheels reach an angular speed of 296 rpm in 4.5 seconds. How many complete revolutions do the wheels make in this time? 
physics
A cyclist starts from rest and pedals such that the wheels of his bike have a constant angular acceleration. After 18.0 s, the wheels have made 190 rev. What is the angular acceleration of the wheels?