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A waterfall is 1.260m high. Calculate the change in temperature of a quantity of water ...

A waterfall is 1.260m high. Calculate the change in temperature of a quantity of water that falls from the top to the bottom of the waterfall. (Neglect heat losses to the surroundings, take g as 10m-2 and specific heat capacity of water as 4200Jkg-1K-1)
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  • A 0.3oC
  • B 3.0oC
  • C 33.3oC
  • D 42.0oC
  • E 100.0oC
Correct Answer: Option B
Explanation:
\(\Delta t = \frac{gh}{c} = \frac{1260 \times 10}{4200}\)
= 3.0o

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