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The standing vertical jump is a good test of an athlete's strength and fitness. The athlete goes into a deep crouch, then extends theirlegs rapidly; when theirlegs are fully extended, theyleave the ground and rise to theirhighest height. It is the force of the ground on the athlete during the extension phase that accelerates the athlete to the final speed with which theyleave the ground. A good jumper can exert a force on the ground equal to twice theirweight. If thecrouch is 65 cm deep, how far off the ground do theyrise
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The standing vertical jump is a good test of an athlete's strength and fitness. The athlete goes int...
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