A 15N block is sliding at constant speed across the frictionless floor of an ice rink.

Which of the following statements are true of solids? a.the particles do not vibrate. b.the particles are in a fixed location. c.they have strong intermolecular forces between the atoms or molecules. d.the particles have less kinetic energy than those of liquids or gases.

A2k pendulum has a speed of 1 m/s at a height of 1/2 meter

The heliocentric and the geocentric models of the solar system included these central principles