if the surface of a liquid a plane, then the angle of contact of the liquid with the as of container is (a) Acute angle (b) Obtuse angle (c) 90 (d) 0​

What properties of a moving object are used in determining the object's energy of motion

One form of energy can be another type of energy. a. created to form b. transformed into c. destroyed and then created to form

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)