A waterfall is 630cm high. What is the change in temperature of a quantity of water that falls from the top to the bottom of the waterfall? (Neglect heat losses to the surroundings, take g as 10 ms-2 and specific heat capacity of weather as 4200J kg-1K-1

Similar Questions

An object is positioned between two plane mirrors inclined at right angles to each other. The object...

A pipe closed at one end is 1.0m long. The air in the pipe is set into vibration and a fundamental n...

A machine requires 1000J of work to raise a load of 500N through a vertical distance of 1.5m. Calcul...

If silicon is doped with phosphorus, what type of semiconductor material will be formed? ...

A rod of length 10cm is heated through 100oC and its final length is 10.26cm. What is the co-efficie...

What is the angle of dip at the magnetic equator ...

What is the acceleration due to gravity 'g' on the moon, if g is 10-2 on the earth?...

Which of the following particles are termed nucleons in a neutral atom? ...

The frictional effect between the layers of a moving fluid is called ...

Which of the following statements is/are correct for a freely falling body? I. the total is entirel...