A) 100 N
B) Zero
C) 1000 N
D) 1100 N
Correct Answer: D
Solution :
From the condition \[(F-mg)\,t=mv\] \[(F-100)\frac{1}{10}=10\times \sqrt{2\times 10\times 5}\] \[(\because v=\sqrt{2gh})\] \[F-100=10\times 10\times 10\] \[F-100=1000\] \[F=1000+100=1100N\]You need to login to perform this action.
You will be redirected in
3 sec