40 kg of water flows out of a tap at uniform speed of 5 `ms^(-1)`. Calculate the amount of energy possessed by the water.

A train of mass 100 tonnes is moving with a uniform speed of 2 ms^(-1) . Calculate the amount of energy possessed by the train. [Take 1 tonne=1000 kg] [200,000 J]

What is the amount of charge possessed by 1 kg of electrons

A bicycle rider along with his bicycle has a mass of 80 kg. if he is peddling at constant speed 8ms^(-1) , what is the amount of energy possessed by this system ?

A body of mass 50 kg has a momentum of 3000 kg ms^(-1) . Calculate: The kinetic energy of the body.

A block of metal weighing 2kg is resting on a frictionless plane . It is struck by a jet of releasing water at the rate of 1 kg s^(-1) and at a speed of 5ms^(-1) Calculate the intial acceleration of the blocks .

An object of mass 15kg is moving with a uniform velocity of 4m/s. what is the kinetic energy possessed by the object ?

Some heat energy is given to 120 g of water and its temperature rises by 10 K. When the same amount of heat energy is given to 60 g of oil, its temperature rises by 40 K. The specific heat capacity of water is 4200 J kg- K^(-1) . Calculate : (i) the amount of heat energy in joule given to water, and (ii) the specific heat capacity of oil.

Calculate the kinetic energy of a 20 kg wooden cart moving with a speed of 5 m/s. Calculate the kinetic energy again when the speed is doubled.

Water flows through a horizontal pipe of radius 1 cm at a speed of 8 cm s^(-1) . What will be the speed of flow of water under similar conditions, if the radius of the pipe is doubled ?

In a cold climate water gets frozen causing damage to radiator of a car. Ethylene glycol is used as an anifreezing agent. Calculate the amount of ethylene glycol to be added to 4 kg of water to prevent it from freezing at -6^(@) . ( K_(f) for water = 1.85 kg mol^(-1) )