Physics, 06.01.2021 19:30 skylar1315
Are the coils in an electric heater blackbody radiators? Why?
A. No, because they do not emit different wavelengths of light
B. Yes, because they glow more brightly as they increase in
temperature
O C. No, because they absorb no energy and emit no light
D. Yes, because they reflect most of the energy they receive
Answers: 2
Physics, 22.06.2019 19:30
Ashot putter releases the shot some distance above the level ground with a velocity of 12.0 m/s, 51.0 ∘above the horizontal. the shot hits the ground 2.08 s later. you can ignore air resistance. how far did she throw the shot?
Answers: 2
Physics, 23.06.2019 06:30
Two blocks of aluminum (specific heat c=0.22 cal/g celsius) with masses of 1000 g and 100 g are at a temperature of 70 c. which block has more thermal (internal) energy? explain why?
Answers: 2
Physics, 23.06.2019 09:00
A36,287 kg truck has a momentum of 907,175 kg • . what is the truck’s velocity
Answers: 1
Physics, 23.06.2019 09:30
During which step of the scientific method does a scientist make an educated guess about the outcome of an experiment? a. form a hypothesis b. analyze the results c. design an experiment d. collect data
Answers: 2
Are the coils in an electric heater blackbody radiators? Why?
A. No, because they do not emit diffe...
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