Question

A batter hits a baseball 3 feet above the ground toward the center field fence, which is 10 1. feet high and 400 feet from home plate (where the batter stands when he hits the ball). The bal leaves the bat with a speed of 115 ft/s at an angle of 50° above the horizontal. Is it a home run? That is, does the ball clear the fence? You do not need to derive the formulas for projectile motion from scratch. Part of the position curve of an object is shown, along with its 2. acceleration vector at the point A. Carefully sketch the vectors aTT(t) and a. aNN(t) on the graph at the point A. Explain how you know they are the 0 correct vectors. If the acceleration vector shown has length 10 cm/s2, approximate the tangential and normal components of the acceleration vector. (Hint: these components are related to the lengths of the vectors your drew in part a. A proportion might be helpful, or you can eyeball it and provide a thorough explanation of your reasoning.) b.

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