Physics, 28.02.2020 09:50 24nelsoaddh

A student raises a 4kg ball to an unknown height on a building. It is calculated that the ball has a speed of 30m/s when it hits the ground. Calculate the height it fell from using the law of conversion of energy and the potential and kinetic energy questions

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A student raises a 4kg ball to an unknown height on a building. It is calculated that the ball has a...