Physics, 23.11.2019 15:31 LikeIke2859
Alightbulb has an efficiency of 1.8%. how much heat energy (not light energy) is generated by the bulb every second if the bulb has a power of 120 w? a. 2.16 j b. 5.98 j c. 117.8 j d. 1.22 j
Answers: 2
Physics, 22.06.2019 11:30
Achlorine atom has 17 protons and 18 neutrons. what is its mass number? what is its atomic number?
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Physics, 22.06.2019 19:30
Coal contains energy. a. light b. kinetic c. chemical d. mechanical
Answers: 1
Physics, 22.06.2019 19:40
12. a body is a particular amount of matter. it can be a solid, liquid or gas. it can be described as existing in a. size and shape. b. motion and force c. time and space. d. location and movement.
Answers: 2
Physics, 22.06.2019 21:30
Aperson touches a large chunk of ice with their hand and remarks, “this is making me cold.” explain what this person is feeling. is the ice transferring “cold” to the person? is there a heat transfer occurring? explain.
Answers: 1
Alightbulb has an efficiency of 1.8%. how much heat energy (not light energy) is generated by the bu...
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