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4. A ball is thrown at 20 m/s at an angle of 7 degrees above the...

4. A ball is thrown at 20 m/s at an angle of 7 degrees above the horizon.
a. How far does it reach if it is thrown from a height of 2 m?
b. What would the horizontal component of the velocity be as the ball hits the ground?
c. What would the overall speed of the ball be as it hits the ground?

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