H2P-361
Kinetic energy in collisions
H2 Physics · JC 2 · Medium · Kinetic energy in collisions
A 0.030 kg steel ball moving horizontally at 6.0 m s⁻¹ strikes a smooth horizontal surface and rebounds horizontally at 4.0 m s⁻¹ in the opposite direction. What is the change in kinetic energy of the ball?
- −0.30 J
- +0.30 J
- −0.12 J
- +0.12 J
Sign in to check your answer and see the hint and the worked explanation. Free on PrepLab High.