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Calculate the time taken to reach the ground

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Two comets of different mass were observed entering the Earth's atmosphere and gravity at an altitude of 4,500 m. If one of the comets is twice as heavy as the other, which one would reach the ground first? Calculate the time taken to reach the ground, given that their velocity at the time of observation is 100 m/s. Neglect air resistance.

Reference no: EM132647510

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