Q
What is the moment of inertia of the rod about the hinged point ?

A Ankit Dutt

A Ankit Dutt
No, it is not. Center of mass is the point at which the object can be balanced and treating a collection of masses as one mass at their common centre of mass. Center of gravity is the point from which the force of gravity acts on an object or system.

A Ankit Dutt
A deform-able or flexible body is one that can distort. It would normally refer to a solid object so that as it deforms, it sort of deforms in a way that it could return to its starting shape if all the external forces were removed that caused it to deform. Examples are belt, rope, rubber band etc.
It means that the Kinetic energy of the bullet decreases or become zero. So, where does all the kinetic energy goes?

A Ankit Dutt
Kinetic energy of bullet converts to another form of energy like heat and sound energy
A perfectly inelastic collision occurs when the maximum amount of kinetic energy of a system is lost. In a perfectly inelastic collision, i.e., a zero coefficient of restitution, the colliding particles stick together.

A Ankit Dutt

A Ankit Dutt
No, 'e' cannot be negative. Moreover, the range of validity of e is 0 â‰¤ e â‰¤ 1 'e' is coefficient of restitution
If not then the loss in kinetic energy is transferred into which form of energy??

B Balgovind Kushwaha

Work

A Ankit Dutt
746 Watt

A Ankit Dutt

A Ankit Dutt
Linear mass density is the amount of mass per unit length. Just as ordinary density is mass per unit volume, linear density is mass per unit length. Linear densities are usually used for long thin objects such as strings for musical instruments. Here chain is long and thin, so we have consider linear mass density.

A Ankit Dutt
An isolated system is a thermodynamic system that cannot exchange either energy or matter outside the boundaries of the system. Means the energy and the mass content of the system will not change with time.

A Ankit Dutt
To check whether it is minima or maxima you have to do double differentiation .

A Ankit Dutt
If the double differentiation will be negative then it is maxima and if it is positive then it is minima.