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Mathematics, 04.06.2021 04:10 jeffcarpenter
Aurora hit a baseball with an initial velocity of 70 feet per second at an angle of 30° with the horizontal. The ball hit her bat when the ball was 3 feet above the ground.
(a) No one interferes with the ball. How long does it take the ball to hit the ground? Round your answer to the nearest hundredth of a second. Show all your work.
(b) How far did the ball travel horizontally? Use your answer from Part (a) in your calculations. Round your answer to the nearest tenth of a foot. Show all your work.
I know to solve part a you need to use
, where
is the initial velocity,
is the vertical displacement,
is time, and
is the angle with the horizontal. I've gotten as far as
, but I can't figure out what to do next since the only thing you can factor out is -1.
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