An ice cream has a marked value of 700 kcal. How may kilowatt-hour of energy will it deliver to the body as it is degested.

A body of mass m is situated at a distance 4R_(e) above the earth's surface, where R_(e) is the radius of earth. How much minimum energy be given to the body so that it may escape

A body of mass m is situated at a distance 4R_(e) above the earth's surface, where R_(e) is the radius of earth. How much minimum energy be given to the body so that it may escape

A body of mass m is situated at a distance 4R_(e) above the earth's surface, where R_(e) is the radius of earth. How much minimum energy be given to the body so that may escape

A refrigerator placed in a room at 300K has inside temperature 200K. How many caslories of heat shall be delivered to the room for each 2 KiloCal of energy consumed by the refrigerator ideally?