Question

4.
A bullet having mass 10 g is fired towards a fixed
wooden block with velocity of 30 m/s. If it comes
out of the block with velocity of 20 m/s, then the
total work done by the resistive forces is
(1) 4.5 J
(2) 2 J
(3) -2.5 J
(4) Zero​

Answer 1

Explanation:

Mark me as brilliant If the answer is correct

Answer 2

Answer:

-2.5 J is the correct answer...