Horizontal and Vertical Components of Projectile Motion
A body freely...
Question
A body freely falling from rest has a velocity v after it falls through a distance h. The distance it has to fall down further, for its velocity to become double is:
A
4h
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B
3h
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C
h
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D
16h
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Solution
The correct option is B3h v2=u2+2gh ....(1) v21=u2+2g(h+x)... (2) v1=2v ⇒4v2=2g(h+x) 8gh=2g(h+x) x=3h