Laws Of Motion Question 40

Question: A rocket of mass 1000 kg exhausts gases at a rate of 4 kg/sec with a velocity 3000 m/s. The thrust developed on the rocket is [Orissa JEE 2005]

Options:

A)12000 N

B) 120 N

C) 800 N

D) 200 N

Show Answer

Answer:

Correct Answer: A

Solution:

$ F=u( \frac{dm}{dt} )=3000\times 4=12000\ N $



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