A) 8 minutes
B) 10 minutes
C) 12 minutes
D) 15 minutes
Correct Answer: B
Solution :
[b] \[H=\frac{{{V}^{2}}}{R}\times 15\times 60=\frac{{{V}^{2}}}{\left( 2/3 \right)/R}\times t\] \[\text{or }t=\frac{2}{3}\times 15\times 60=600s=10\text{ minutes}\text{.}\]
You need to login to perform this action.
You will be redirected in
3 sec
