Physics, 17.02.2021 06:50 StephenCurry34
Analyzing Ideas A friend claims to have built a
motor by attaching a shaft to the core of a galva-
nometer and removing the spring. Can this motor
rotate through a full rotation? Explain your answer.
Answers: 1
Physics, 22.06.2019 05:00
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 19:00
According to an observer on earth, planet x is stationary. maria and samir depart earth on their spaceships at the same time, each flying at 0.5c. maria flies toward planet x and samir flies in the opposite direction. according to maria, her voyage to planet x takes 9 years. how many years does maria's voyage take according to samir?
Answers: 3
Physics, 23.06.2019 01:30
The field lines around one end of a bar magnet are shown below based on the diagram, what can you conclude about the pole of the magnet? a.is a south pole because the field hnes spread out from this end b.a north pole because the field lines spread out from this end c.a nouth pole because the field lines enter the magnet at this end d.is a north pole because the field lines enter the magnet at this end
Answers: 1
Physics, 23.06.2019 03:00
Agust of wind pushes a beach ball with a force of 9 newtons.the ball rolls 10 meters in 3 seconds. what is the power of the wind?
Answers: 1
Analyzing Ideas A friend claims to have built a
motor by attaching a shaft to the core of a galva-<...
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