Friday
August 1, 2014

Homework Help: Physics -- check answers please

Posted by Lisa on Tuesday, March 4, 2014 at 6:57pm.

1. Which of the following best shows the transfer of heat by radiation?

my answer: c

2. Which of the following best shows the transfer of heat by convection?

my answer: b

3. Water has specific heat of 4200 J per kilogram per degree celsius. This means that 2 kg of water will release 8400 J of energy when it cools down by 1 degree celsius. True or false?

my answer: True

4. A calorimeter adds calories of heat to a sample. True or False

my answer: false

5. Thermal energy can only be carried or transferred by rapidly moving particles. True or false

my answer: false

6. If heat is added to a sample of material it will always increase in temperature. True or false

my answer: false

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