A rocket burns 0.01kg of fuel each second and ejects it as a gas with a velocity of 5,000m/s. What force does the gas exert on the rocket?
-
A.
500,000N -
B.
500N -
C.
50N -
D.
5,000N -
E.
50,000N
Correct Answer: Option C
Explanation
F =(frac{m(v – u)}{T})
= (frac{0.01(5000 – 0)}{1})
= 50N