An оbject оf mаss 0.50 kg is trаnspоrted to the surfаce of Planet X where the object's weight is measured to be 20 N. The radius of the planet is 4.0 × 106 m. What free-fall acceleration will the 0.50-kg object experience when transported to a distance of 8.00 × 106 m from the surface of this planet?