Why a high juper- a. Runs a distance before taking a leap. b.Why a jumper is provided with sand/cushions to take a jump
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He runs a distance to acquire inertia of motion.
he is provided with sand because sand increases the time period of force. if sand wouldn't be there the initial velocity would have been directly came to rest with very less time which can cause an great force
he is provided with sand because sand increases the time period of force. if sand wouldn't be there the initial velocity would have been directly came to rest with very less time which can cause an great force
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