Q.
Assertion : When a body is dropped or thrown horizontally from the same height, it would reach the ground at the same time.Reason : Horizontal velocity has no effect on the time taken.
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a
If both assertion and reason are true and reason is a true explanation of assertion.
b
If both assertion and reason are true but reason is not the correct explanation of assertion.
c
If assertion is true but reason is false.
d
If both assertion and reason are false.
answer is A.
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Detailed Solution
Both bodies 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 = 2hg Horizontal velocity has no effect on the vertical direction.
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