Question

Water falls from a height of 20 m 80% of loss of potential energy is absorbed as heat. Then increasing temperature of water is____°C.​

Answer 1

Answer:

0.16℃

Explanation:

4/5mgh = m. s . ∆t

4/5 10×20 = 1000 ∆t

160/1000 = ∆t

∆t = 0.16℃

s = 1000cal/kg/℃