Physics, asked by ananya5255, 5 months ago

Find time taken by a Electric Heater of 500W to raise temperature of 2Kg of water from 40 to 90 degree ( specific heat of water is 4.2 J/g c)

Answers

Answered by Thanush28

0

Explanation:

difference in temperature =90-40=50

S = specific heat

pt=msΔT

500w×t=2×4.2×50

t=8.4 x 50/ 500

t= 420 / 500= 0.84sec

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