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9. Consider a 59kg volleyball player who is jumping to spike the ball. Her 0 position is the
bottom of the squat. At take-off, she has 320 J of kinetic energy and 580 J of potential
energy.
a. How high is her COM at takeoff?
b. How fast is she going when she takes off?
c. What will the height of her COM be at the highest point of the jump?

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