Energy absorbed by the pole
A 56 kg pole vaulter running at 14 m/s vaults over the bar. Her speed when she is above the bar is 1.0 m/s. Neglect air resistance, as well as any energy absorbed by the pole, and determine her altitude as she crosses the bar.
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A car traveling 20.0 m/s when the driver sees a child standing on the road. She takes .80s to react, then steps on the brakes and slows at 7.0 m/s^2. How far does the car go before it stops?
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