What is the momentum of a ball (mass = 125.0 kg ) moving at a velocity of 6.5 m/s?

A2 µc charge q1 and a 2 µc charge q2 are 0.3 m from the x-axis. a 4 µc charge q3 is 0.4 m from the y-axis. the distances d13 and d23 are 0.5 m. find the magnitude and direction of the resulting vector r. round your answer to the nearest tenth.

You can estimate the degree to which a bond between two atoms is ionic or covalent by calculating the

What happens when the number of protons in an atom changes