A bullet with a mass of 20 g and a speed of 960 m/s strikes a block of wood of mass 4.5 kg resting on a horizontal surface.The bullet gets embedded in the block.The speed of the block immediately after the collision
A)cannot be found because we don't know whether the surface is frictionless.
B)is 0.21 km/s.
C)is 65 m/s.
D)is 9.3 m/s.
E)None of these is correct.

Question

Quizplus · Accepted Answer

The speed of the block immediately after the collision can be found using the principle of conservation of momentum, which does not depend on whether the surface is frictionless or not. The given options do not correctly calculate the final speed based on the information provided.

A Bullet with a Mass of 20 G and a Speed