-An 8 G Bullet Is Shot into a 4

Multiple Choice

-An 8 g bullet is shot into a 4.0 kg block,at rest on a frictionless horizontal surface.The bullet remains lodged in the block.The block moves into a spring and compresses it by 3.7 cm.The force constant of the spring is 2500 N/m.In the figure,the initial velocity of the bullet is closest to:

A) 460 m/s
B) 440 m/s
C) 480 m/s
D) 500 m/s
E) 520 m/s