Center of MassHard

Question

If the thrust force on a rocket which is ejecting gases with a relative velocity of 300 m/s, is 210 N. Then the rate of combustion of the fuel will be :

Options

A.10.7 kg/sec   
B.0.07 kg/sec   
C.1.4 kg/sec
D.0.7 kg/sec

Solution

F = μ
210 = 300 ×
⇒ = 0.7 kg/s

Create a free account to view solution

View Solution Free
Topic: Center of Mass·Practice all Center of Mass questions

More Center of Mass Questions

Two masses of 1g and 4g are moving with equal kinetic energy. The ratio of the magnitude of their linear momentum is -...Two identical charged spheres suspended from a common point by two massless strings of lengths 𝑙, areinitially at a d...The centre of mass of a body :...A train of mass M is moving on a circular track of radius ′R′ with constant speed V. The length of the train...A solid sphere of radius r made of a soft material of bulk modulus K is surrounded by a liquid in a cylindrical containe...