How do a proton and an electron compare? a. they are both found in the nucleus. b. the electron is farther from the nucleus. c. they have the same charge. d. they have the same mass.

Ametal ball with a mass of 0.028 kg is dropped from rest at a height of 1.0 meters above the ground. assuming the energy in the ball is conserved, how much kinetic energy will the ball have when it is 0.5 meters above the ground?

How many neutrons does plutonium -196 with an atomic number of 78.

(10 pts! ) the major factor which causes seasonal weather changes on the earth is: a. elliptical orbit b. variation in distance from sun c. tilt of the axis d. atmosphere