Ball A is launched straight upward from ground level. Ball B is launched at an a

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Ball A is launched straight upward from ground level. Ball B is launched at an angle of 60 degrees from the horizontal, with a speed of 7.5 m/s. With what speed must A be launched in order to have the same maximum altitude? Assume for the follow that A's launch speed is so set. Determine the hang time of A and B, and compare. Compare the components of both A's and B's position and velocity vectors after 1.2 seconds of time elapsed from launch. Which are equal? Answer with complete work and formulas used, please.

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