a stone of mass of 2kg is thrown in downward direction from roof of a building.It reaches the surface of earth in 2 seconds.How long a 4kg stone will take to reach the earth
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If there is no air resistance and the stone undergoes free fall, the acceleration of the stone regardless of the magnitude of mass is always equal to acceleration due to gravity (g) as weight is the only force acting on the stone. Therefore, it will also take 2 seconds to reach the earth assuming the initial velocity when the stone is thrown is the same for both cases.
Hope this helps.
Hope this helps.
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