N.N.P.C. gas cylinder containing 15kg of cooking gas was left open, and the gas emptied in 3.8 minutes, at an average speed of 20 ms-1. What force was exerted on the gas in the cylinder?
A.
132N
B.
13.2N
C.
1.32N
D.
0.132N
E.
0.013N
Correct Answer: Option C
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