SOLUTION: If someone could help me find the answer. I have been doing this problem over and over.
A ball is thrown from an initial height of 2 meters with an initial upward velocity of 9 m
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Question 1145065: If someone could help me find the answer. I have been doing this problem over and over.
A ball is thrown from an initial height of 2 meters with an initial upward velocity of 9 m/s. The balls height “h” (in meters) after “t” seconds is given by the following.
H=2+9t-5t squared
Find all values of “t” for which the balls height is 4 meters.
Answer by greenestamps(13208) (Show Source): You can put this solution on YOUR website!
What part of the problem do you need help with?
You are given a formula for the height h as a function of time t:
You are then given a height (4m) and asked to find the times t when the ball is that height:
That's a quadratic equation. Put it in standard form and solve by your favorite method.
That one will factor....
Can you finish?
(If you weren't able to see that the quadratic was factorable, you can always solve any quadratic equation using the quadratic formula....)
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