A 0.50 kg sample of an unknown metal is warmed with a 150 W electric heater for 120 s

PHYSICS · Subjective · A Level · Physics · Further mechanics and thermal physics · Further mechanics and thermal physics

Problem

A 0.50 kg sample of an unknown metal is warmed with a 150 W electric heater for 120 s, causing its temperature to rise from 20 °C to 32 °C. Determine the specific heat of the metal in J kg⁻¹ °C⁻¹.

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