A) 3 ft/sec
B) \[\frac{3}{2}\]ft/sec
C) \[\frac{3}{4}\]ft/sec
D) \[\frac{3}{\sqrt{2}}\]ft/sec
Correct Answer: B
Solution :
His rate of approaching the wall \[=3\times \cos 60{}^\circ =\frac{3}{2}ft/sec\].You need to login to perform this action.
You will be redirected in
3 sec