A) 25 J
B) 20 J
C) 30 J
D) 5 J
Correct Answer: A
Solution :
[a] \[F=20+10y\] |
\[W=\int\limits_{0}^{1}{(20\text{ }10y)dy}\] |
\[=20[y]_{0}^{1}+\left[ \frac{10{{y}^{2}}}{2} \right]_{0}^{-1}\] |
\[=20+5\] |
\[=25\] |
You need to login to perform this action.
You will be redirected in
3 sec