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Question: A ball is rolling up a hill with a smooth surface. Initial kinetic energy of the ball is equal to its potential energy on the top of the hill.
Part A: Does it take finite or infinite time for the ball to reach the top?
Part B: How does the answer depend on the shape of the hill surface?
Please explain your answer. I know substitution is involved so be sure to give a detailed explanation on that as well.
A parallel-plate capacitor having square plates 4.50cm on each side and 8.00mm apart is placed in series with an ac source of angular frequency 620rad/s, What is the resonance angular frequency of this circuit
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Water waves in a lake travel 3.77 m in 2.09 s. The period of oscillation is 1.5 s.What is the speed of the water waves? Answer in units of m/s.
A boat in a storm is subject to a force of 1750 N at 0.00 degrees and 1640 N at 145 degrees. How much of a third force and in what direction must be exerted to make the net force zero
two sources source a and source b are emitting the same frequency f with the same amplitude a but are out of phase from
A hydraulic ram 200mm in diameter and 1.2 m long moves wholly within a concentric cylinder 200.2mm in diameter, What is the viscous force resisting the motion when the ram moves at 120mm . s-1
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A football kicker can give the ball an initial speed of 24 m/s. He is 54 m from the goalpost which has a crossbar 3.46 m high. What is the smallest angle of elevation that he can kick the football and score a field goal?
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