A) 46 J
B) 52 J
C) 92 J
D) 104 J
Correct Answer: A
Solution :
\[P=3{{t}^{2}}-2t+1~~~\,\,\,P=\frac{Ek}{t}=3{{t}^{2}}-2t+1\] \[K.E.\left( 3{{t}^{2}}-2t+1 \right)\,\,\,dt=\left( {{t}^{3}}-{{1}^{2}}+t \right)_{2}^{1}=46\,J\]You need to login to perform this action.
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