Questions 18-19
A ball is tossed straight up from the surface of a small, spherical asteroid with no atmosphere. The ball rises to a height equal to the asteroid's radius and then falls straight down toward the surface of the asteroid.
(A) equal to the acceleration at the surface of the asteroid
(B) equal to one-half the acceleration at the surface of the asteroid
(C) equal to one-fourth the acceleration at the surface of the asteroid
(D) zero