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Physics - Heat & Thermo Question with Solution | TestHub

PhysicsHeat & ThermoThermal ExpansionMedium2 minQB

PhysicsMediumnumerical

An ice pellet at 0°C falls 1.68 km. All potential energy melts ice on impact. Take $g = 10 m s^{- 2}$ and $Lf = 336000 J / kg$ . Find melted mass percentage to one decimal.

Answer:

5.00

Solution:

$100 f = \frac{100 g h}{L _{f}} = \frac{100 ( 10 ) ( 1680 )}{336000} = 5.0%$ .

Subject:PhysicsTopic:Heat & ThermoSubtopic:Thermal Expansion

⏱ 2mℹ️ Source: QB

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