Physics
Grade-9
Easy

Question

Answer the following question on the basis of the information given in the table below.

5 kg of water is supplied with an energy of 1890000 J. The increase in temperature of water is ____ K.

hintHint:

Use the formula Q = mS dT

The correct answer is: 90


    • Using formula Q = mSdT
    • here Q = 1890000 J ; m = 5kg ; S = 4200 and dt = ?
    • 1890000 = 5x4200xdT
    • solving for dT we get dT = 90 kelvin

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