Find velocity of system after boulder has come to rest
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Air enters a well-insulated nozzle with a pressure of 1000 kPa, a temperature of 527°C. Determine the exit temperature T2s (K) for the isentropic process.
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Calculate the velocity v of the system after the boulder has come to rest relative to the car. Would the velocity be the same if the cars were coupled before the boulder dropped?
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A mass is attached to a vertical spring and bobs up and down between points A and B. Where is the mass located when its kinetic energy is a minimum?
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