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Physics, 22.06.2019 10:00
How are the crust and the inner core alike? a) they are both solid. b) they both have the same temperature. c) they are both under the same pressure. d) they are both very close to the center of the earth.
Answers: 1
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 14:30
Two carts, one of mass 2m and one of mass m, approach each other with the same speed, v. when the carts collide, they hook together. assume that positive momentum is to the right. which graph best represents the momentum of both carts over time, before and after the collision?
Answers: 3
Physics, 22.06.2019 23:40
Which type of energy is transferred by convection currents?
Answers: 2
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