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 $
