Physics, 10.07.2019 01:30, Jessieileen

Are we even real? do we exist or are we robots or a simulation or experiment?

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Physics, 22.06.2019 13:10, pearlvldz

The atoms in a nickel crystal vibrate as harmonic oscillators with an angular frequency of 2.3 × 1013 rad/s. the mass of a nickel atom is 9.75 × 10-26 kg. what is the difference in energy between adjacent vibrational energy levels of nickel? (h = 6.626 × 10-34 j • s, , 1 ev = 1.60 × 10-19 j)

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Physics, 22.06.2019 16:30, kashbaby

In a hydrogen molecule there are a total of four charges, 2 protons in the two nuclei, and 2 electrons. how many unique charge-pairs are there (without double counting)?

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Physics, 23.06.2019 02:50, autumnlyons69

Acharged particle moves in a circular path in a uniform magnetic field. which of the following would increase the period of the particle's motion? check all that apply. increasing its chargeincreasing its massincreasing the field strengthincreasing its speed

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Physics, 23.06.2019 03:30, ijohnh14

An object is kept at 45 m high and how much time will it take to reach the ground