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Q. after an exciting but exhausting lecture, a physic lecture stretch out for a nap on a bed of nails, suffering no injury and only moderate discomfort. how is this possible?

Q. During a heavy rain, the drops are falling at a constant velocity and at an angle of 10.5° west of the vertical. What is your walking speed if the speed of the drops relative to the ground is 5.1 m/s?

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