An object that is 0.5 above ground has the same amount of potential energy as a spring that is stretched

Aball has an initial velocity of 3 m/s. if there is no friction, what is the highest it could roll?

What happens to an isotope during radioactive decay?

According to newton’s law of universal gravitation, which statements are true? as we move to higher altitudes, the force of gravity on us decreases. as we move to higher altitudes, the force of gravity on us increases. as we gain mass, the force of gravity on us decreases. as we gain mass, the force of gravity on us increases. as we move faster, the force of gravity on us increases.