Circular MotionHard
Question
A wheel is at rest. Its angular velocity increases uniformly and becomes 80 radian per second after 5 second. The total angular displacement is :
Options
A.800 rad
B.400 rad
C.200 rad
D.100 rad
Solution
ω = 80 rad/sec, t = 5 sec, ω0 = 0
θ = ?
If α constant, then
θ =
t = 
5 = 200 rad Ans.
θ = ?
If α constant, then
θ =
t = 5 = 200 rad Ans.Create a free account to view solution
View Solution FreeMore Circular Motion Questions
A rope is wound around a hollow cylinder of mass 3 kg and radius 40 cm. What is the angular acceleration of the cylinder...A small block slides with velocity 0.5 on the horizontal frictionless surface as shown in the Figure. The block leaves t...The given figure shows a wheel of radius 1m which rotates about the axis shown in the figure. A rope is wound on this wh...The kinetic energy k of a particle moving along a circle of radius R depends on the distance covered s as k = as2 where ...Initial angular velocity of a circular disc of mass M is ω1. Then two small spheres of mass m are attached gently t...