Question

600 kg rocket is set for vertical firing the

exhaust speed is 800 mls to given an initial

upward acceleration of20 m/s2, the amount of

gas ejected per second to supply .. The needed

thrust will be

(a) 137.5 kg/s

(c) 187.5 kg/s

(b) 185.5 kg/s

(d) 127.5 kg/s​

Answer 1

137.5 kg/susual peels

Answer 2

c. is the answer

hope it helps