In a high jump the athletes are made to fall either on a cushioned bed or on a sand bed. This arrangement is because _____ .
1. It increase the time of the athletes fall after making the jump.
2. It decrease the rate of change of momentum.
3. It decrease the rate of change of force.
4. It is based on Newton’s second law of motion.
Choose the correct options:
a) 1 and 2
b) 2 and 4
c) 3 only
d) All of the above.?
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Asked by Fkk on 2nd October, 2018
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