Phil Physiker standing at the edge of a cliff throws one ball straight up and another ball straight down,both with the same speed.Both balls hit the ground at
A)different speeds.
B)the same speed in the same time.
C)the same speed in different times.
D)none of the above

Question

Quizplus · Accepted Answer

The balls hit the ground at the same speed because their initial speeds are equal and acceleration due to gravity affects them equally, but they reach the ground at different times due to their initial directions of motion.

Phil Physiker Standing at the Edge of a Cliff Throws