A) zero
B) 4F
C) 4F/t
D) none of the above
Correct Answer: A
Solution :
\[v=\sqrt{v_{x}^{2}+v_{y}^{2}}\] \[{{v}_{t}}_{\,=\,0}=4\text{ }m/s\] \[{{v}_{t}}_{\,}=\,\,4\,m/s\] \[W=\frac{1}{2}m(v_{t}^{2}-v_{0}^{2})=0\]You need to login to perform this action.
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