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Q. A 40.0 kg pole vaulter running at 11.0 m/s vaults over the bar. Assuming that the vaulter's horizontal component of velocity over the bar is 1.0 m/s and disregarding air resistance, how high was the jump?

Q. A 355 kg bear grasping a vertical tree slides down at constant velocity. What is the friction force that acts on the bear?

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