Asked by j

A ball is thrown straight into the air from a 340-foot building. Its velocity is 54 ft/sec.

a. What will be the max height of the ball?

b. How long will it take for the ball to reach its max height?

c. How long will it take for the ball to hit the ground?

d. How much time will the ball spend above 300 ft?
Answered by j
does anyone know how to do this
Answered by oobleck
the height h is
h(t) = 340 + 54t - 16t^2
Now use that to answer the questions
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