A rocket with initial mass of 3.0 × 10^4 kg fires its engines at t = 0 . The exhaust speed of the rocket is 3.9 × 10^3 m/s. If the velocity of the rocket at t = 200 s is 1 500 m/s, how much fuel did it consume?

a. 9.6 × 10^3 kg
b. 3.0 × 10^4 kg
c. 4.4 × 10^4 kg
d. 4.8 × 10^3 kg


a

Physics & Space Science

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Physics & Space Science