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Velocity is a description of both speed and direction, therefore it - a vector - a force arrow - the same as acceleration - a magnitude
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Using a pedometer, you walk 3000 steps in 20 minutes, so your speed is 150 steps/min. each of your steps is 0.7 m long. what is your speed? 150 steps/min=/s=/h
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What are kepler’s laws of planetary motion? how can each one of them be applied to the 8 planets of...
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