Physics - Heat & Thermo Question with Solution | TestHub

PhysicsHeat & ThermoThermal ExpansionEasy2 minQB

PhysicsEasyinteger

Water falls 840 m and all its mechanical energy becomes heat. $c = 4200 J / (kg K), g = 10 m / s^{2}$ . Find the temperature rise in K.

Answer:

Solution:

$g h = c Δ T$ , so $Δ T = \frac{10 ( 840 )}{4200} = 2 K$ .

Subject:PhysicsTopic:Heat & ThermoSubtopic:Thermal Expansion

⏱ 2mℹ️ Source: QB

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