A ball is thrown up with an initial velocity of 32 feet per second. How many seconds will it take for the ball to return to the ground?

Question

A ball is thrown up with an initial velocity of 32 feet per second. How many
seconds will it take for the ball to return to the ground?

Answer 1

h=vt-16t² where v=velocity and h=0

0=32t-16t²

factor

16t(2-t)=0

16t=0

t=0 when h=0

2-t=0

t=2 seconds (answer)