We have a 10kg ball and a 15kg ball. We drop them from the top of the science building while objects are at rest and there is no wind resistance. Which one hits the ground first?​

Which describes an object in projectile motion? check all that apply. a.gravity acts to pull the object downb. the object moves in a straight path. c.the forward velocity of the object is 0 m/s. d.the object’s inertia carries it forward. e.the path of the object is curved.