Which object exerts the stronger gravitational force on the other, earth or the moon, or are the forces equal in magnitude?

Describe uniform velocity and variable velocity in short

Identify the correct relation showing that the radius r of the orbit of a moon of a given planet can be determined from the radius r of the planet, the acceleration of gravity at the surface of the planet, and the time τ required by the moon to complete one full revolution about the planet. determine the acceleration of gravity at the surface of the planet jupiter knowing that r = 71 492 km and that t= 3.551 days and r= 670.9 × 10^3 km for its moon europa.

How much energy is supplied to each coulomb of charge that flows through a 12-v battery?