An Aiken High school track athlete is participating in the 100-meter hurdle event. If the
runner's initial vertical jump is 2.0 m/s, how much will the runner's center of mass be
raised during the jump?

Center of mass of the athlete will reach to maximum height of 20 cm

Explanation:

Here we know that initial speed of the athlete in vertical direction is given as

now we know that acceleration due to gravity will oppose its motion in opposite direction

so we have

so when it reach maximum height the final speed becomes zero

so we have

the force required to move the cart is divided by three or 33.33 n.

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