Physics, asked by angal5412, 1 year ago

Two uniform brass rods a and b of length l and 2l and radii 2r and r respectively are heated to the same temp. The ratio of increase in volume of a to that of b

Answers

Answered by sirjan12395
0

Mass of the ball, m = 150 g = 0.15 kg

Initial speed of the ball, u = -12 m/s

Final speed of the bal after being hit, v = 20 m/s

Impulse = change in momentum = final momentum initial momentum

= Impulse = 0.15 × 20 0.15 × (-12) = 4.8 Ns

Similar questions