Physics, 30.06.2019 02:00 monayemcnett11
Aspring is compressed 1.5 meters and has a spring constant of 65 n/m. a) how much force is involved in compressing the spring? b) how much energy does the spring store? c) how high could it potentially launch a 0.10 kg projectile?
Answers: 1
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The percent efficiency of a machine can never be 100% (or greater), because in the real world some energy is always converted into a. heat b. work c. input force d. output force
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If a rock is thrown upward on the planet mars with a velocity of 12 m/s, its height (in meters) after t seconds is given by h = 12t ā 1.86t2. (a) find the velocity of the rock after two seconds. m/s (b) find the velocity of the rock when t = a. 12ā3.72a m/s (c) when will the rock hit the surface? (round your answer to one decimal place.) t = s (d) with what velocity will the rock hit the surface? m/s
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Aspring is compressed 1.5 meters and has a spring constant of 65 n/m. a) how much force is involved...
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