Question

The initial rate of emission of mass of a gas emitted from the rear (tail) of an experimental roket is 01 kg/s If theb speed of the gas relative to the roket is 50 m/s , and the mass of the rocket is 2 kg, then the acceleration of the rocket in m/ $S^2$ is

• A. 5
• B. 2.5
• C. 7.5
• D. 10

Answer 1

The correct option is B 2.5