Question

A 7500 kg rocket is set for vertical firing.
The exhaust speed is 800 m/s w.r.t.
rocket. To give an vertical upward accel-
eration of 10 m/s^2 the amount of gas
ejected per second for the needed thrust
will be
O
127.5 kg/sec
a
147.5 kg/sec
O
157.5 kg/sec
O
187.5 kg/sec​

Answer 1

Answer:

187.5 kg is the correct option