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What is the kinetic energy of a baseball moving at a speed of 40 m/s if the baseball has mass of 0.15 kg?
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An object with a mass of 1.5 kg changes its velocity from + 15 m/s to +22 m/s during a time interval of 3.5 seconds. what impulse was delivered to the objects?
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Is the vertical component of velocity ever zero?
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1.5kj of energy are used every second by a microwave oven, what is the power rating of the oven?...
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