Why a person is covered with a blanket when the clothes of that person catch fire?

What should be done if the clothes of a person catch fire accidentally?Why?

Identify the personality.

Write notes on personal hygiene.

The force exerted by the floor of an elevator on the foot of a person standing there is more than the weight of the person if the elevator is :

What are the types of Personal Computer?

A person drops a coin. Describe the path of the coin as seen by the person if he is in a. a car moving at constant velocity and b. in a freelyfalling elevator.