Answers: 3
Physics, 22.06.2019 13:10
The atoms in a nickel crystal vibrate as harmonic oscillators with an angular frequency of 2.3 Ć 1013 rad/s. the mass of a nickel atom is 9.75 Ć 10-26 kg. what is the difference in energy between adjacent vibrational energy levels of nickel? (h = 6.626 Ć 10-34 j ā¢ s, , 1 ev = 1.60 Ć 10-19 j)
Answers: 2
Physics, 22.06.2019 15:30
What are the north and south poles of a solenoid change with?
Answers: 1
Physics, 22.06.2019 16:00
The electric potential v is constant everywhere within a certain region of space. which statement below is true? the choices are: the electric field is also constant (but not zero) within the region. a charged particle placed within the region will experience an electric force. the electric field is zero everywhere within the region. the electric field varies from place to place within the region.
Answers: 2
Physics, 22.06.2019 16:40
An owl dives toward the ground with a constant velocity of 4.40 m/s at 53.0Ā° below the horizontal. the sun is directly overhead and casts a shadow of the owl directly below it. what is the speed (in m/s) of its shadow on level ground?
Answers: 3
Why is it a good idea for the eco house to have both wind turbine and solar panels...
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