Which of the following would have the most momentum? A.
A light ball moving slowly

B.
A heavy ball moving slowly

C.
A light ball moving quickly

D.
A heavy ball moving quickly

What is the energy of a photon of ultraviolet radiation with a frequency of 4.4 × 1015 hz? planck’s constant is 6.63 × 10–34

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)

Which of the following is not a physical property of mattera. melting pointb.heat of combustionc. viscosityd. boiling point