Question

A 5000 kg rocket is set for vertical firing the exhaust speed is 800 metre per second to give an upward acceleration of 20m/s the amount of gas ejected per second to supply the need thrust is

Answer 1

Answer:

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)(a) 127.5 kg/s (b) 137.5 kg/s(c) 155.5 kg/s (d) 187.5 kg/s.