A) ? 2pE
B) ? pE
C) pE
D) 2pE
Correct Answer: D
Solution :
\[W=PE(1-\cos \theta )\] here \[\theta =\text{18}{{0}^{\text{o}}}\] \[\therefore \] W = \[PE\,(1-\cos {{180}^{o}})\] = \[PE\,[1-(-1)]=2PE\]You need to login to perform this action.
You will be redirected in
3 sec