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An arrow is shot from a height of 1.5m toward a cliff of height H. It is shot with a velocity of 30m/s at an

An arrow is shot from a height of 1.5m toward a cliff of height H. It is shot with a velocity of 30m/s at an angle of 60 degrees above the horizontal. It lands on the top edge of the lift 4.0s later. (a) what is the height of the cliff (b) What is the maximum height reached by the arrow along its trajectory? (c) What is the arrow's impact speed just before hitting the cliff

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