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Physics, 21.06.2019 19:40
An ideal spring has a spring constant (force constant) of 2500 n/m, is stretched 4.0 cm, how much elastic potential energy does it possess? (a) 3j (b) 0.00j (c) 1j (d) 2j (e) 4j
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Aplayer uses a hockey stick to push a puck at a constant velocity across the ice. the weight of the puck is 170 n. the coefficient of friction is 0.0600. with what force must the player push the puck so that his force just equals the frictional force? 28.3 n 0.999 n 0.102 n 0.0104 n
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Anthropology is the study of the effects of disease on the body, while forensic anthropology studies the disease of crime a.) true b.) false
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Question 6 a photon has an energy of 5.53 10-17 j. what is its frequency in s-1? 3.66 10-50 s-1 1.2...
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