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(a) Calculate the height (in m ) of a cliff if it takes 2.46s for a rock to hit the ground when it is thrown

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(a) Calculate the height (in m ) of a cliff if it takes 2.46s for a rock to hit the ground when it is thrown straight up from the cliff with an initial velocity of 8.03m/s. m (b) How long (in s) would it take to reach the ground if it is thrown straight down with the same speed? s

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