SATHEE: Laws Of Motion Question 193

Laws Of Motion Question 193

Question: In a rocket of mass 1000 kg fuel is consumed at a rate of 40 kg/s. The velocity of the gases ejected from the rocket is $5 \times 10^{4} m / s$ . The thrust on the rocket is[MP PMT 1994]

Options:

A) $2 \times 10^{3} N$

B) $5 \times 10^{4} N$

C) $2 \times 10^{6} N$

D) $2 \times 10^{9} N$

Show Answer

Answer:

Correct Answer: C

Solution:

Thrust $F = u (\frac{d m}{d t})$

$= 5 \times 10^{4} \times 40 = 2 \times 10^{6} N$

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Laws Of Motion Question 193

Question: In a rocket of mass 1000 kg fuel is consumed at a rate of 40 kg/s. The velocity of the gases ejected from the rocket is 5×104m/s . The thrust on the rocket is[MP PMT 1994]

Options:

Answer:

Solution:

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Question: In a rocket of mass 1000 kg fuel is consumed at a rate of 40 kg/s. The velocity of the gases ejected from the rocket is $5 \times 10^{4} m / s$ . The thrust on the rocket is[MP PMT 1994]