A) \[{{t}^{1/2}}\]
B) t
C) \[{{t}^{3/2}}\]
D) \[{{t}^{2}}\]
Correct Answer: B
Solution :
Power delivered to the body \[P=F.\text{ }v=mav\] Since, body undergoes one dimensional motion and is initially at rest, so \[v=0+gt\] \[\therefore \] \[P=magt\] or \[p\propto t\]
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