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How could a 50 kg object be lowered from a roof as slowly as possible using a cord with a breaking strength of 200N without breaking the cord
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What is a subatomic particle with a negative charge and very little mass?
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Frequency of electromagnetic waves that a radio station is assigned is called
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Ahot-air balloon is 11.0 m above the ground and rising at a speed of 7.00 m/s. a ball is thrown horizontally from the balloon basket at a speed of 9.00 m/s. ignore friction and air resistance and find the speed of the ball when it strikes the ground.
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How could a 50 kg object be lowered from a roof as slowly as possible using a cord with a breaking s...
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