Problem based on pole vaulter running vaults over the bar
A 40 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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List at least three causes of World War 2 and adequately explain at least one of these causes.
The average force exerted on him by the ground is +18000 N, where the upward direction is taken to be the positive direction. From what height did the student fall? Assume that the only force acting on him during the collision is that due to the g
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A flat sheet of crown glass has a thickness of 2.3 cm. It is on top of a flat sheet of crystalline quartz that has a thickness of 3.6 cm. Light strikes the crown glass perpendicularly and travels through it and then through the crystalline quartz.
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