A ball is kicked 4 feet above the ground with an initial vertical velocity of 55 feet per second. The function h(t)=-16t^2+55t+4

Question

3 years ago

15

A ball is kicked 4 feet above the ground with an initial vertical velocity of 55 feet per second. The function h(t)=-16t^2+55t+4

represents the height h (in feet) of the ball after t seconds. Using a graph, after how many seconds is the ball 30 feet above the ground? Round your answers to the nearest tenth. (Two answers!)

Mathematics

1 answer:

Shalnov [3] · Answer 1 · 2022-01-08T03:06:57+03:00

Shalnov [3]3 years ago

6 0

Answer:

Time in seconds when the ball is 4 feet above the ground is:

t= 0.6 and 2.9.