The total amount of potential and kinetic energy in an object is called mechanical energy. true or false

The discovery that the universe appears to be expanding led to a widely accepted theory called a.) the big bang theory b.) the doppler effect c.) hubble’s law d.) solar nebular theory e.) the seyfert theory

What is relative velocity? in which condition is relative velocity known by adding the velocity of the first body and that of the second body

Explain what it means to view something from a frame of reference. provide an example that illustrates your explanation. (4 points)