A) 200 m
B) 16 m
C) 80 m
D) 40 m
Correct Answer: C
Solution :
Mass does not affect on maximum height. \[H=\frac{{{u}^{2}}}{2g}\Rightarrow H\propto {{u}^{2}}\], So if velocity is doubled then height will become four times. i.e. \[H=20\times 4=80m\]
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