Motion of System of Particles and Rigid Bodies — Physics STD 11 — Question

In non – uniform circular motion, the resultant acceleration makes an angle with the radius vector is –

A gas is enclosed in a container which is then placed on a fast moving train. The temperature of the gas …..

The vector product of two vectors will have maximum magnitude when θ is equal to –

1 erg is equivalent to

The changes produced by the deforming forces in a rigid body are –

The positions of two masses m1 and m2 are x1 and x2. The position of center of mass is –

A bullet is fired normally on an immovable wooden plank of thickness 2 m. It loses 20% of its kinetic energy in penetrating a thickness 0.2 m of the plank. The distance penetrated by the bullet inside the wooden plank is

A bomb at rest explodes. The total momentum of all its fragments is –

The scalar product of two vectors will be maximum when θ is equal to –