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A ball of mass 0.15 kg is dropped from rest from a height of 1.35 m. It rebounds from the floor to reach a height of 0.96 m.
A) What is the velocity of the ball just before the impact?
B) What is the rebound velocity (velocity just after the impact) of the ball?
C) What is the impulse given to the ball by the floor? (Use "Ns" as units)
Five identical resistors, each of resistance R, are connected in series to a battery, and a current of 7.39 A flows in the circuit. Find the new current in the circuit
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An object hanging in air, as in Figure A below, caused the scale to balance at 0.420 kg. Find the apparent weight of the object when submerged in water
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find out the magnitude of force exerted on the lower end of the boom by the hinge.
A midle C note (262 Hz) is sounded on a piano to help tune a violin string. When the string is sounded, nine beats are heard in 3.0s. How much is the violin string off tune?
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