A ball thrown straight upward takes 10 seconds to go up and return to the ground. Because of air resistance, the time taken for the ball just to go up is
A) 5 s.
B) more than 5 s.
C) less than 5 s.

Question

Quizplus · Accepted Answer

Air resistance slows the ball down as it ascends, so it takes less time to reach its peak compared to the time it takes to descend, where gravity aids its motion.

A Ball Thrown Straight Upward Takes 10 Seconds to Go