Question

What is the initial velocity of a ball that starts at 2.4 meters, is in the air for a total of 4.7 seconds and travels a distance of 18.6 meters

Answer 1

h=vi.t-1/2gt²

(18.6-2.4)=vi x 4.7-1/2 x 10 x (4.7)²

16.2=vi x 4.7 - 110.45

vi=26.95 m/s

Answer 2

the initial velocity is 3.9

Step-by-step explanation:

v=D/T