A bullet of mass m is fired straight up at a failing wooden block that has a mass of mass M. the bullet has a speed v m/s when it strikes the block. the block originally was dropped from rest from the top of a building and had been falling for a time t when the collision with the bullet occured. as a result of the collision, the block with the bullet in it reverses direction, rises and comes to a momentary halt at the at the top of the building.  1. determine the time t taken by the block falling from rest to a point of collision with the bullet. give your answer in term of mass m, M, v and g. 2. is m=0.013kg, M=1.64kg and v=790m/s; calculate the time t

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Chapter1: Units, Trigonometry. And Vectors
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A bullet of mass m is fired straight up at a failing wooden block that has a mass of mass M. the bullet has a speed v m/s when it strikes the block. the block originally was dropped from rest from the top of a building and had been falling for a time t when the collision with the bullet occured. as a result of the collision, the block with the bullet in it reverses direction, rises and comes to a momentary halt at the at the top of the building. 

1. determine the time t taken by the block falling from rest to a point of collision with the bullet. give your answer in term of mass m, M, v and g.

2. is m=0.013kg, M=1.64kg and v=790m/s; calculate the time t.

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