Physics Secondary Schools Worksheet Page 10
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(vi) The specific heat capacity of water is 4200 J/kg
C. The mass of water is 150 kg.
Using the value for the change of temperature from the table, calculate the energy
transferred by the copper pipe. (Q = m c ∆θ )
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(3)
(b)
Pipes are used to carry warm water from the water heaters
to the sink.
Choose the best material (copper / glass / plastic) to be used
for the pipes that carry warm water. Give one reason for
your answer.
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(2)
Physics – Secondary Schools – Track 2 – Form 3 – 2013
Page 10 of 10
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