A Rocket Is Launched Vertically from Rest; and It Burns

question 39

Multiple Choice

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 × 10³ m/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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