A) 2
B) \[2+\sqrt{2}\]
C) \[4-\sqrt{2}\]
D) 3
Correct Answer: B
Solution :
\[h=\frac{1}{2}g{{t}^{2}}\] \[\frac{h}{2}=\frac{1}{2}g{{(t-1)}^{2}}\] \[t=2\pm \sqrt{2}s\] \[t=2+\sqrt{2}s\]You need to login to perform this action.
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