Q3 (A) A pump lifts 30 kg of water a vertical distance of 20 m each second. What is the power output? (b): A sports car is moving at 4.0 m/s. If the mass of the car is 800 kg, how much kinetic energy does it have?
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Q: A helicopter, starting from rest, accelerates straight up from the roof of a hospital. The lifting…
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Q: You throw a 24.0 NN rock into the air from ground level and observe that, when it is 14.0 mm high,…
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