25 POINTS
A restoring force F = -5x^4 acts on an object, where x is the displacement of the
o...
Answers: 2
Physics, 22.06.2019 02:30
Awave travels at a speed of 5.2 m/s. if the distance between crests is 0.40 m, what is the frequency of the wave? use f=v/wavelength a. 13 hz b. 2.1 hz c. 0.077 hz d. 5.6 hz
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 × 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 13:30
6–43 a food department is kept at 2128c by a refrigerator in an environment at 308c. the total heat gain to the food department is estimated to be 3300 kj/h and the heat rejection in the condenser is 4800 kj/h. determine the power input to the compressor, in kw and the cop of the refrigerator.
Answers: 2
Physics, 22.06.2019 15:00
What happens when a rubber rod is rubbed with a piece of fur?
Answers: 1
Computers and Technology, 19.05.2020 22:10
History, 19.05.2020 22:10
History, 19.05.2020 22:10
Mathematics, 19.05.2020 22:11
Mathematics, 19.05.2020 22:11
Mathematics, 19.05.2020 22:11
Mathematics, 19.05.2020 22:11