A van of mass `1500kg` travelling at a speed of `54 km h^(-1)` is stopped in `10 s` Assuming that all the machantical energy lost appeats as thermal energy in the brake mechanical find the evarage in the brake of thermal energy in cal `s^(-1)`

A van of mass 1500kg travelling at a speed of 54 km h^(-1) is stopped in 10 s Assuming that all the mechanical energy lost appears as thermal energy in the brakes find the average rate of production of thermal energy in cal s^(-1)

A van of mass 1500kg travelling at a speed of 15 m/s is stopped in 10 s Assuming that all the mechanical energy lost appears as thermal energy in the brakes find the average rate of production of thermal energy in cal s^(-1)

A car of mass 480 kg moving at a speed of 54 km per hour is stopped in 10 s. Calculate the force applied by the brakes.

A vessel containing one of mole of a monatomic ideal gas (molecular weight = 20 g mol_^(1)) is moving on a floor at a speed of 50 m s^(-1) The vessel is stopped suddenly. Assuming that the mechanical energy lost has gone into the internal energy of the gas , find the rise in its temperature .

A vessel containing one of mole of a monatomic ideal gas (molecular weight = 20 g/(mol) ) is moving on a floor at a speed of 50 m s^(-1) The vessel is stopped suddenly. Assuming that the mechanical energy lost has gone into the internal energy of the gas , find the rise in its temperature .

A vessel containing one of mole of a monatomic ideal gas (molecular weight = 20 g/(mol) ) is moving on a floor at a speed of 50 m s^(-1) The vessel is stopped suddenly. Assuming that the mechanical energy lost has gone into the internal energy of the gas , find the rise in its temperature .

A ball is dropped on a floor from a height of 2.0m After the collision it rises up to a height of 1.5m . Assume that 40% of the mechanical energy lost goes as thermal energy into the ball. Calculate the rise in the temperature of the ball in the collision heat capacity of the ball is 800J K^(-1)

A ball is dropped on a floor from a height of 2.0m . After the collision it rises up to a height of 1.5m . Assume that 40% of the mechanical energy lost goes as thermal energy into the ball.Calculate the rise in the temperature of the ball in the collision. Heat capacity of the ball is 800J K^(-1)

A car of mass 2400 kg moving with a velocity of 20 m s^(-1) is stopped in 10 seconds on applying brakes Calculate the retardation and the retarding force.

A car is moving in a straight line with speed 18 km h^(-1) . It is stopped in 5 s by applying the brakes. Find the retardation