Physics, 11.06.2020 02:57 mcclendoncassandra
PLEASE HELP An electron jumps from one energy level to another in an atom radiating 4.5*10^-19 Joules. If Planck's constant is 6.63*10^-34Js, what is the wavelength of the radiation? (C =3*10^8) 2)
Answers: 2
Physics, 21.06.2019 20:30
If forces acting on an object are unbalanced, which factors may result fron an unbalanced force? check all that apply
Answers: 1
Physics, 21.06.2019 21:50
When applying kirchhoff's rules, one of the essential steps is to mark each resistor with plus and minus signs to label how the electric potential changes from one end of the resistor to the other. the circuit in the drawing contains four resistors, each marked with the associated plus and minus signs. however, one resistor is marked incorrectly. which one is it?
Answers: 1
Physics, 22.06.2019 00:50
Acave rescue team lifts an injured spelunker directly upward and out of a sinkhole by means of a motor-driven cable. the lift is performed in three stages, each requiring a vertical distance of 10.0 m: (a) the initially stationary spelunker is accelerated to a speed of 4.90 m/s; (b) he is then lifted at the constant speed of 4.90 m/s; (c) finally he is decelerated to zero speed. how much work is done on the 68.0 kg rescue by the force lifting him during each stage?
Answers: 1
Physics, 22.06.2019 14:30
Which pair of quantities includes one quantity that increases as the other decreases during simple harmonic motion?
Answers: 1
PLEASE HELP An electron jumps from one energy level to another in an atom radiating 4.5*10^-19 Joule...
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