Question

. Momentum of a bullet of mass 20g moving at 400 m/s is * 1 point 8 kg m/s 80 kg m/s 800 kg m/s 8000 kg m/s

Answer 1

Answer:

Explanation:

momentum = mass × velocity

                   = 20 × 10^-3 × 400

                   = 8 kg m/s

1 g = 10^-3 kg

20g = 20×10^-3 kg