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? |
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a) |
b) |
c) |
d) |
Zero |

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

**(b)**

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