Ect الدرس
Egiaze
/
/
الموافق
التاريخ
- (a) Draw
a graph showing the
variations
in a capasitor with
clifferente across
it?
of charges stored
potential difference across it

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)

The frequency of the fundamental of the guitar string is 320 hz. at what speed v do waves move along that string?

Scientists follow specific processes in order to determine valid explanations and conclusions from observations. david observed strange lights in the sky above his home outside of roswell, new mexico. the only explanation that makes sense to him is that there are ufos in the area. what should david do next to verify his explanation?