Mathematics, 04.05.2021 01:00 abby28734
A ball is thrown upward at a velocity of 15 meters per second from a height that is 20 meters above the ground. The heighth (in meters) of the ball at timet (in seconds)
after it is thrown can be found by the formula below.
h = -5t2 + 15t + 20
Find the time when the ball is again 20 meters above the ground.
Answers: 3
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A ball is thrown upward at a velocity of 15 meters per second from a height that is 20 meters above...
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