Critical velocity is given by

A person travelling in a straight line moves with a constant velocity v_1 for certain distance 'x' and with a constant velocity v_2 for next equal distance. The average velocity is given by the relation

The ratio among most probable velocity, mean velocity and root mean square velocity is given by "_____________" .

The De Broglie wavelength associated with a particle of mass m and velocity v is given by

Define critical velocity and derive an expression for the same. OR What is critical velocity? Derive an expression for critical velocity of a satellite orbiting at a certain height. Also discuss the formula when satellite is very close to the earth's surface.

Show that the critical velocity of a body revolving in a circular orbit very close to the surface of a planet of radius R and mean density rho is 2R sqrt((Gpi rho)/(3)) .

While launching a satellite in its orbit , the escape velocity is given to the satellite in tangential direction.

Choose the correct option? The Laplace's correction in the expression for velocity of sound given by Newton is needed because sound waves

What is critical velocity? Obtain an expression for critical velocity of an orbiting satellite. On what factors does it depend?

Explain critical velocity for ideal fluid.

If the horizontal velocity is less than critical velocity, then the satellite will travel in