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starting from rest a wheel rotates with uniform angular acceleration 2 pi rads.after 4s, if the angular acceleration ceases to act, its angular displacement in the next 4s is

starting from rest a wheel rotates with uniform angular acceleration 2 pi rads.after 4s, if the angular acceleration ceases to act, its angular displacement in the next 4s is

Grade:11

1 Answers

Vikas TU
14149 Points
6 years ago
Dear Student,
u=0, α=angular acceleration = 2π
after t=4s
v=u+αt
=>v=2πx4
=>v=8π

q= angular displacement= ut
=>q=8πx4=32π radians
Cheers!!
Regards,
Vikas (B. Tech. 4th year
Thapar University)

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