Physics, 11.02.2021 14:40 scottykinkade7860
1. A storage heater contains concrete bricks which heat up at night and slowly release their heat the following day.
The bricks have a mass of 20 kg and they have 480 000 J of heat energy transferred to them overnight.
Calculate the maximum temperature rise of the bricks.
(concrete has a specific heat capacity of 960 J/kg 0C)
Answers: 1
Physics, 22.06.2019 17:00, marchellepenuliar
Sawyer is studying diffraction. he draws a diagram of a plane wave to show how light waves travel. which best describes sawyer’s error? the wave fronts should be perpendicular to the direction in which the waves move. the arrow showing the direction of movement of the waves should be pointing to the left. the arrow showing the direction of movement of the waves should be pointing downward. the wave fronts should be both parallel and perpendicular to the direction in which the waves move.
Answers: 3
Physics, 23.06.2019 00:30, struckedblazing
What is the speed vfinal of the electron when it is 10.0 cm from charge 1?
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1. A storage heater contains concrete bricks which heat up at night and slowly release their heat...
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