A ball is thrown from an initial height of 2 feet with an initial upward velocity of 29 ft/s. The ball's height h (in feet) after t seconds is given by the following.

h=2+29t-16t^2

Find all values of for which the ball's height is 14 feet.

Question

Genesis Faulkner

Mathematics

9 May, 19:42

A ball is thrown from an initial height of 2 feet with an initial upward velocity of 29 ft/s. The ball's height h (in feet) after t seconds is given by the following.

h=2+29t-16t^2

Find all values of for which the ball's height is 14 feet.

+4

Answers (1)

Know the Answer?

Aubrey Jacobs · Answer 1

H=14 for this particular instance so:

14=2+29t-16t²

14-2=2-2+29t-16t²

12=29t-16t²

0=-16t²+29t-12

that's as factored as possible so you should use the quadratic formula for the rest and check for extraneous answers

A ball is thrown from an initial height of 2 feet with an initial upward velocity of 29 ft/s. The ball's height h (in feet) after t seconds is given by the following.h=2+29t-16t^2Find all values of for which the ball's height is 14 feet.

A ball is thrown from an initial height of 2 feet with an initial upward velocity of 29 ft/s. The ball's height h (in feet) after t seconds is given by the following.

h=2+29t-16t^2

Find all values of for which the ball's height is 14 feet.