Question

How much will the temperature of the water at the bottom of waterfall if water falls from height 600. Assume no energy lost

Answer 1

C

1.17

o

C

Water is at height (h)=500m.

Potential energy =mgh

=1×9.81×500

=4905J/litre

Specific heat of water =4180J/kgk.

So, E=mcΔT.

4905=1×4180×ΔT

ΔT=

4180

4905

ΔT=1.16

o

C.