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  4. An object of mass 5 kg is thrown vertically upwards from the ground. The air resistance produces a constant retarding force of 10 N throughout the motion. The ratio of time of ascent to the time of descent will be equal to: [Use g =10 ms -2 ]

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Q. An object of mass $5\, kg$ is thrown vertically upwards from the ground. The air resistance produces a constant retarding force of $10 \,N$ throughout the motion. The ratio of time of ascent to the time of descent will be equal to : [Use $g =10\, ms ^{-2}$ ]

JEE MainJEE Main 2022Motion in a Straight Line

Solution:

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$6t_1^2 = 4t_2^2$