Question

A 400 kg rociet B set for vertical firing Exhaust spel of the gases is 490 mís. The rate at which ga is
to be ejected to give an upward acceleration of '' to the rocket
[ ]
a) 160 kg/s
D) 16 kg/s
c) 1.6 kg/s
d) 8 kg/s
Need explaintion​

Answer 1

Answer:

A 400 kg rociet B set for vertical firing Exhaust spel of the gases is 490 mís. The rate at which ga is

to be ejected to give an upward acceleration of '' to the rocket

[ ]

a) 160 kg/s

D) 16 kg/s

c) 1.6 kg/s

d) 8 kg/s

Need explaintion