A tennis ball of mass 0.060 kg travels horizontally at a speed of 25m/s. The ball hits a tennis
racket and rebounds horizontally at a speed of 40 m/s.
Before hitting the Racket, the ball is going towards the racket at 25 m/s.
After Hitting the Racket the ball of going away from the racket at 40 m/s.
The ball is in contact with the racket for 50 ms.
What force does the racket exert on the ball?
A 0.018N
B 0.078N
C 18N
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Ответ:
Gravity impacts erosion in direct ways like landslides, mudslides and slump. It can also impact erosion in indirect ways, by pulling rain to the Earth and forcing glaciers downhill.
Explanation:
Gravitational erosion describes the movement of soil or rock due to the force of gravity.