Author Question: If you toss a ball straight upward at 40 m/s with no air resistance, 6 seconds later its speed is ... (Read 32 times)

rayancarla1 · **on:** Jul 29, 2018

If you toss a ball straight upward at 40 m/s with no air resistance, 6 seconds later its speed is

A) zero.
B) 10 m/s.
C) 20 m/s.
D) 30 m/s
E) 40 m/s.

Question 2

Phil Physiker standing at the edge of a cliff throws one ball straight up and another ball straight down, both with the same speed. Neglecting air resistance, which ball hits the ground below with the greater speed?

A) the one thrown upward
B) the one thrown downward
C) neither, both hit with the same speed