A) \[10.21\,\,m\]
B) \[15.43\,\,m\]
C) \[20.3\text{ }m\]
D) \[25.6\text{ }m\]
Correct Answer: B
Solution :
\[u=11m/s\] \[a=mg\] \[=0.4\times 10=4m/{{s}^{2}}\] \[v=0\] So from \[{{v}^{2}}={{u}^{2}}+2as\] \[0={{(11)}^{2}}+2(-4)\times s\] \[s=\frac{11\times 11}{8}=15.125m\]
You need to login to perform this action.
You will be redirected in
3 sec
