1.

Fuel is consumed at the rate of 100 kg/sec in a rocket. The exhaust gases are ejected at a speed of \[\text{4}.\text{5 }\times \text{ 1}{{0}^{-\text{4}}}\text{ m}/\text{s}\]. Then the thrust experienced by he rocket is

A. \[\text{4}.\text{5 x 1}{{0}^{\text{6}}}\text{ N}\]         
B.  \[\text{5}.\text{5 x 1}{{0}^{\text{6}}}\text{ N}\]
C. \[\text{3}.\text{5 x 1}{{0}^{\text{6}}}\text{ N}\]        
D.  \[\text{6}.\text{72 x 1}{{0}^{\text{6}}}\text{ N}\]
Answer» B.  \[\text{5}.\text{5 x 1}{{0}^{\text{6}}}\text{ N}\]


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