What are the potential and kinetic energies

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An average force of 670 N is required to compress a coiled spring a distance of 3 cm. What is the work done by the spring?What is the work done on the spring?

A 2 kg hammer is lifted to a height of 10 m and dropped. What are the potential and kinetic energies when it has fallen to a point 4 m from the Earth? (Ignore air resistance and assume that U = 0 at ground level.) A) U = B) K=

A golfer hits a 46 g golfball with an initial velocity of 52 m/s at 35°. What are the horizontal and vertical components of momentum imparted to the ball?

A) px = kg·m/s B) py = kg·m/s

Reference no: EM131906213

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