A rocket of mass 1000 kg is to be projected vertically upwards. The gases are exhausted vertically downwards with velocity 
with respect to the rocket. What is the minimum rate of burning of fuel, so as to just lift the rocket upwards against the gravitational attraction? (Take, 
)
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
The velocity of exhaust gases with respect to the rocket
The minimum force on the rocket to lift it,
Hence, minimum rate of burning of fuel is given by
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
A small sphere is suspended by string from the ceiling of a car. If the car begins to move with a c…
A body of mass 8 kg is suspended through two light springs X and Y connected in series as shown in …
Two blocks A and B of masses 3 m and m respectively are connected by a massless and inextensible st…
A body of mass 5 kg is suspended by a spring balance on an inclined plane as shown in figure.
So, …
Four blocks of same mass connected by strings are pulled by a force on a smooth horizontal surface…
A monkey of mass 25 kg is holding a vertical rope. The rope does not break, if a body of mass 30 kg…