Physics, 03.01.2020 01:31 bettinger6525
If a source radiates sound uniformly in all directions and you triple your distance from the sound source, what happens to the sound intensity at your new position?
a. the sound intensity drops to 1 / 27 of its original value. b. the sound intensity increases to three times its original value. c. the sound intensity drops to 1 / 3 of its original value. d. the sound intensity drops to 1 / 9 of its original value. e. the sound intensity does not change.
Answers: 1
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)
Answers: 2
Physics, 22.06.2019 15:30, jonathanmagana112002
Charge is distributed along the entire x-axis with uniform density λ. how much work does the electric field of this charge distribution do on an electron that moves along the y-axis from y = a to y = b? (use the following as necessary: a, b, ε0, λ, and q for the charge on an electron.)
Answers: 3
Physics, 22.06.2019 16:30, Nerdylearner8639
Is there a point between a 10 nc charge and a 20 nc charge at which the electric field is zero?
Answers: 2
If a source radiates sound uniformly in all directions and you triple your distance from the sound s...
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