Sue is traveling toward you at 90 km/hr.She throws a baseball that,according to her,is going at 90 km/hr in the opposite direction.What do you see the ball doing?
A)You see the ball traveling away from you at 90 km/hr.
B)You see the ball remaining stationary.
C)You see the ball traveling away from you at 180 km/hr.
D)You see the ball traveling toward you at 90 km/hr.
E)You see the ball traveling toward you at 180 km/hr.

Question

Quizplus · Accepted Answer

The ball's velocity relative to you is the sum of Sue's velocity toward you and the ball's velocity relative to her, which cancel each other out, resulting in the ball appearing stationary to you.

Sue Is Traveling Toward You at 90 Km/hr