A rocket is launched vertically from rest; and it burns fuel at a constant rate of 136 kg/s. Exhaust gases are expelled with a speed of 5.25 × 10³m/s relative to the rocket. What is the magnitude of the thrust? A)7.14 × 10⁵ N B)3.64 × 10⁶ N C)2.59 × 10^-² N D)808 N E)38.6 N

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Quizplus · Accepted Answer

The thrust is calculated using the formula: Thrust = rate of fuel consumption × exhaust velocity = 136 kg/s × 5.25 × 10^3 m/s = 7.14 × 10^5 N.

A Rocket Is Launched Vertically from Rest; and It Burns