Check answers for mass flow rate and power, force problems

[qpzm77gg]

My answers in Q1 , (i) 861.6 kg/min (ii) 1126.97Watt
My answers in Q2 , (i) 67.5N (ii)2.77N

My answers are correct or not?

Thanks.

 

[LawrenceC]

My answers in Q1 , (i) 861.6 kg/min (ii) 1126.97Watt

Above is close.


My answers in Q2 , (i) 67.5N (ii)2.77N

Above is incorrect.