A bullet is fired at 100 m/s horizontally into a 2-kg block suspended by a light string of length 1.2 m.If the block and bullet system swing up by 20 degrees to the vertical,the mass of the bullet is given by:
A)79 g
B)24 g
C)28 g
D)15 g
E)123 g

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The Answer of A bullet is fired at 100 m/s horizontally into a 2-kg block suspended by a light string of length 1.2 m.If the block and bullet system swing up by 20 degrees to the vertical,the mass of the bullet is given by:
A)79 g
B)24 g
C)28 g
D)15 g
E)123 g

A Bullet Is Fired at 100 M/s Horizontally into a 2-Kg