Statement A : Shock absorbers reduce the magnitude of change in momentum.

Statement B : Shock absorbers increase the time of action of impulsive force

A force of 25 N acts on a body at rest for 0.2s and a force of 70 N acts for the next 0.1s in opposite direction. If the final velocity of the body is 5ms–1, the mass of the body is

A force of 5 N acts on a body for 2 milliseconds. Calculate the impulse. If the mass of the body is 5g, calculate the change of velocity.

Gravel is dropped on a conveyor belt at the rate of 2 kg/s. The extra force required to keep the belt moving at 3ms–1 is

The internal forces acting on an isolated system

Find the molecular mass of a gas that takes three times more time to effuse as compared to He with the same volume

At the same temperature, the average molar kinetic energy of N2 and CO is

For the second approximation what is the base-emitter voltage?

What is the collector current when the base resistor is open?

Will a transistor act as a closed switch by defining the requisite magnitude of saturation level with an equivalent amount of

The orientation of atomic orbitals depends on their

A gas X has Cp and Cv ratio as 1.4, at NTP 11.2 L of gas X will contain_______ number of atoms

On increasing the reverse bias to a large value in a PN junction diode, current

In the depletion region of an unbiased PN junction diode there are

A PN junction has a thickness of the order