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Assertion: When the body is dropped or thrown horizontally form the same height, it would reach the ground at the same time. Reason: Horizontal velocity has no effect on the vertical direction.A. If both the assertion and reason are true and reason is a true explantion of the assertion.B. If both the assertion and reason are true but the reason is not true the correct explantion of the assertion.C. If the assertion is true but reason falseD. If both the assertion and reason are false. |
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Answer» Correct Answer - a Both body will take same time to reach the earth because vertical downward component of velocity for both the bodies will be zero and time of decent `t=sqrt((2k)/g)`. Horizontal velocity has no effect on the vertical direction. |
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