A waterfall is 1260m high. Calculate 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 10m^-2 and specific heat capacity of water as 4200Jkg^-1K^-1)

Similar Questions

The wire of a platinum resistance thermometer has d resistance of 3.5$\Omega$ at 0 °C and...

An inductor of inductance 10H carries a current of 0.2A. Calculate the energy stored in the inductor...

Which of the following factors affects the speed of sound in air? i. Temperature ii. pressure i...

The relative density of dilute tetraoxosulphate (vi) acid in a battery is measured with a ...

From the diagram above, calculate the energy stored in the capacitor ...

A wire of length 100cm and cross-sectional area of 2.0 x 10-3cm2 has a resistance of 0.10 Ω. Calcul...

Which of the following is TRUE of light and sound waves? ...

A ray incident on a glass prism undergoes minimum deviation when the ...

A silicon material is dopped with an element of a certain group and an n-type semi-conductor is form...

An alternating current with a peak value of 5A passes through a resistor of resistance 10Ω. Calcul...