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AP Physics B Practice Exam

Category - Introductory Physics

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Which of the following requires the greatest amount of heat?
  1. increasing the temperature of 1 kg of water from 0°C to 30°C
  2. increasing the temperature of 10 kg of water from 10°C to 20°C
  3. increasing the temperature of 20 kg of water from 19°C to 21°C
  4. increasing the temperature of 50 kg of water from 20°C to 21°C
Explanation
Answer: B - increasing the temperature of 10 kg of water from 10°C to 20°C
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