A skydiver has a mass of 140 kg. At what speed will she have a momentum
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Atrain departs from its station at a constant acceleration of 5 m/s. what is the speed of the train at the end of 20s?
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What tightening torque should be used for a hexagonal head screw (not split-bolt) on a 250 kcmil conductor?
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If the specific heat of a metal is 0.850 j/g °c, what is its atomic weight?
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