A juggler is performing her act using several balls. She throws the balls up at an initial height of 4 feet, with a speed of 15 feet per second. If the juggler doesn't catch one of the balls, about how long does it take the ball to hit the floor?

Hint: Use H(t) = −16t2 + vt + s.

7.52 seconds
1.15 seconds
0.47 second
0.22 second

Question

A juggler is performing her act using several balls. She throws the balls up at an initial height of 4 feet, with a speed of 15 feet per second. If the juggler doesn't catch one of the balls, about how long does it take the ball to hit the floor?

Hint: Use H(t) = −16t2 + vt + s.

 7.52 seconds
 1.15 seconds
 0.47 second
 0.22 second

anonymous · Answer

s=4ft
v=15ft/s
t=time in secs

anonymous · Answer

so how do i start the equation?