Physics, 15.12.2020 14:00 neidaq12345
a pole-vaulter is holding the vaulting pole parallel to the ground. the pole is 5 m long. the vaulter grips the pole with his right hand at the top end of the pole and with his left hand 1 m from the top end of the pole. the mass of the pole is 2.5 kg, the forces of the vaulter must excert on the pole to maintain it in this position are quite large. how large are they?
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a pole-vaulter is holding the vaulting pole parallel to the ground. the pole is 5 m long. the vaulte...
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