College Physics with MasteringPhysics 7th Edition by Jerry Wilson,Anthony Buffa,Bo Lou

تمرين 59

An object is thrown vertically upward. Which of the following statements is hue: (a) Its velocity changes nonuni-formly; (b) its maximum height is independent of tire initial velocity; (c) its travel time upward is slightly greater than its travel time downward; or (d) its speed on returning to its starting point is the same as its initial speed