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Physics, 21.06.2019 22:30
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What is the acceleration of a spaceship that is initially at rest and then speeds up to 220 m/s in 20 seconds
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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
A baseball player hits a baseball with a bat. The mass of the ball is 0.25 kg. The ball accelerates...
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