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Physics, 21.06.2019 15:30, chrisandthemike76
Which would not reduce the amount of green house gasses in the air
Answers: 1
Physics, 22.06.2019 05:00, anime333
Modern physics a photon emitted from an excited hydrogen atom has an energy of 3.02 electron volts. which electron energy-level transition would produce this photon? a. n=1 to n=6 b. n=2 to n=6 c. n=6 to n=1 d. n=6 to n=2 i chose b but the correct answer is d can someone tell me why? and what's the difference?
Answers: 1
Physics, 22.06.2019 11:30, genyjoannerubiera
A100-watt light bulb illuminates a solar cell. the electricity from the solar cell operates a water pump that delivers 1 watt of power. what is the efficiency of the system?
Answers: 2
Physics, 22.06.2019 15:30, tamaraquirozmorales
Can you match these to the correct definition
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A3 kg toy car with a speed of 7 m/s collides head-on with a 2 kg car traveling in the opposite direc...
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