Question #6425960Single Choice
Physics
Question
A ball with a mass of 0.2 kg is dropped from rest and strikes the ground with a speed of 10 m/s. If it rebounds with a speed of 8 m/s, what is the impulse exerted by the ground?
Options
A
3.6 N·s
B
2.0 N·s
C
4.0 N·s
D
0.4 N·s