The 100−lb block is stationary at time t = 0, and then it is subjected to the force P shown. Note that the force is zero for all times beyond t = 15 sec. Determine the velocity v of the block at time t = 15 sec. Also calculate the time t at which the block again comes to rest.

The 100−lb block is stationary at time t = 0, and then it is subjected to the force P shown. Note that the force is zero for all times beyond t = 15 sec. Determine the velocity v of the block at time t = 15 sec. Also calculate the time t at which the block again comes to rest.

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The 100 l b block is stationary at time t = 0 , and then it is subjected to the force P shown. Note that the force is zero for all times beyond t = 15 s e c . Determine the velocity v of the block at time t = 15 s e c . Also calculate the time t at which the block again comes to rest.

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