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Explanation:
Q9/P12/M/J/16
32 A ball falls vertically onto horizontal ground and rebounds, as shown.
AB
А
P₁
C
D
7777777777.
before
after
The ball has momentum p₁ downwards just before hitting the ground. After rebounding, the ball
leaves the ground with momentum p2 upwards. The ball is in contact with the ground for 0.020 s.
During this time interval, an average resultant force of 25 N acts on the ball.
What is a possible combination of values for p, and p₂?
P₁/kgms¹. P₂/kgms1
0.15. 0.65
0.20. 0.30
0.30. 0.20
0.65. 0.15
Ans is c but how?please
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