In the very Dutch sport of Fierljeppen, athletes run up to a long pole and then use it to vault across a canal. At the very top of his arc, a 55 kg vaulter is moving at 2.5 m/s and is 5.1 m from the bottom end of the pole. What vertical force does the pole exert on the vaulter?

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Q: A "swing" ride at a carnival consists of chairs that are swung in a circle by 18.7 m cables attached…

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A: Magnitude of force (T) = 86.8 N T1 = 64 N T2 = 31 N T3 = 5.38 N

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Q: What is the magnitude of all three ropes' tension

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Q: The figure shows an arrangement in which four disks are suspended by cords. The longer, top cord…

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Q: The figure shows an arrangement in which four disks are suspended by cords. The longer, top cord…

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.