VITEEE 2017 Paper

Section: Physics

Question : 1 of 125

Marks: +1, -0

A 5000 kg rocket is set for vertical firing. The exhaust speed is 800 m/s. To give an initial upward acceleration of 20 m/s2, the amount of gas ejected per second to supply the needed thrust will be (Take g = 10 m/s2)

127.5 kg/s
137.5 kg/s
155.5 kg/s
187.5 kg/s

Validate

Go to Question:

Next Question