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A 76 kg sprinter starts a race with an acceleration of 5.8 m/s2.
m = 76 kg
a = 5.8 m/s2
What is the magnitude of the net external force on him in N?
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How does the decrease in gravitational potential energy of a falling ball compare to its increase in kinetic energy.
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A 3.80 m-long, 430 kg steel beam extends horizontally from the point where it has been bolted to the framework of a new building under construction. A 66.0 kg construction worker stands at the far end of the beam. What is the magnitude of torque abou..
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