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

تمرين 82

A student strolls diagonally across a level rectangular campus plaza, covering the 50-m distance in 1.0 min (Fig.). (a) If the diagonal route makes a 37° angle with the long side of the plaza, what would be the distance travelled if the student had walked halfway around the outside of the plaza instead of along the diagonal route (b) If the student had walked the outside route in 1.0 min at a constant speed, how much time would she have spent on each side

FIGURE Which way See Exercise.