A ball is thrown from ground level with a velocity of 24.5 meters per second. As it starts back down to the ground, it hits a tree at a point 29.4 meters from the ground. How many seconds is the ball in the air before it hits the tree? Use h = vt – 4.9t^2 in your work.

A. 1

B. 2

C. 3

D. 5

Question

A ball is thrown from ground level with a velocity of 24.5 meters per second. As it starts back down to the ground, it hits a tree at a point 29.4 meters from the ground. How many seconds is the ball in the air before it hits the tree? Use h = vt – 4.9t^2 in your work.

A. 1

B. 2

C. 3

D. 5

anonymous · Answer

Please anybody help! :(

anonymous · Answer

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I think you need to use the quadratic formula...but I'm not sure if this is the right way of doing it.
You can always plug in every answer choice to see which one is right.