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A cylinder having moment of inertia, which isfree to rotate about its axis, receives an angular impulse of initially, followed by similar impulse after every 4 s. What is the angular speed of the cylinder 30 s after the initial impulse?

a)

b)

c)

d)

Zero


Question ID - 100189 | SaraNextGen Answer

A cylinder having moment of inertia, which isfree to rotate about its axis, receives an angular impulse of initially, followed by similar impulse after every 4 s. What is the angular speed of the cylinder 30 s after the initial impulse?

a)

b)

c)

d)

Zero

1 Answer - 5876 Votes

3537

Answer Key : (b) -

(b)

There can be a total of eight impulses given to the cylinder in 30 s. Using  for every impulse, we get



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