A 4.00 g bullet is moving horizontally with a velocity of +355 m/s as shown in...

A 4.00 g bullet is moving horizontally with a velocity of +355 m/s as shown in figure below. The bullet is approaching two blocks resting on a horizontal frictionless surface. The bullet passes completely through the first block (an inelastic collision) and embeds itself in the second one, as shown in part (b). Note that both blocks are moving after the collision with the bullet. The mass of the first block is 1150 g and its velocity is +0.550 m/s after the bullet passes through it. The mass of the second block is 1530 g. (a) What is the velocity of the second block after the bullet embeds itself?

8.64 m/s

9.45 m/s

7.32 m/s

5.05 m/s

(b) What is the ratio of the total kinetic energy after both collisions to that before the first collision?

0.053

3.5

0.023

2.1

Expert Solution

genius_generous answered 2 years ago

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