Question

A rocket of mass 5000 kg expels gas at a relative velocity 1000 m 1
s
−
. The minimum rate of burning the fuel so as to just lift the rocket vertically upwards is (A) 196 kg 1
s
−
(B) 98 kg 1
s
−
(C) 147 kg 1
s
−
(D) 49 kg 1
s

Answer 1

Answer:

5000kg

49kg

147kg

Explanation:

10000ml h5000kg