An object is moving at a constant speed of 5mph and the net force = 0 N. which statement is true

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)

What you see with your eyes is a form of energy. a. light b. heat c. chemical d. electrical

Consider an air-filled charged capacitor. how can its capacitance be increased?