This is one of the four planets Mercury, Venus, Earth, and Mars, whose orbits lie nearest the Sun

How does the kinetic energy of a charge change as the charge moves under the effect of an electric field from higher potential to lower potential? a.the kinetic energy increases.b.the kinetic energy decreases.c.the kinetic energy remains the same.d.the kinetic energy is always zero.

Which changes would result in a decrease in the gravitational force btween two objects? check all that apply

The earth exerts a gravitational force of 500 n on amy. what is amy’s mass in kg?