A 1.5 kg mass attached to an ideal spring oscillates horizontally with an amplitude of 0.50m . The spring constant is 85N/M. What is the frequency of the mass's motion?

What is the order of the moon, earth, and sun in a lunar eclipse and a solar eclipse?

What type of electromagnetic wave is used in security pens? a. x-rays c. microwaves b. visible light d. ultraviolet radiation select the best answer from the choices provided

Calculate the heat capacity per object when the total energy is 4 quanta. (think of this in terms of increasing from 3.5 quanta of energy in the system to 4.5 quanta of energy in the system, if that were possible.) c4 = __ j/k/object