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11.112 A model rocket is launched from point A with an initial velocity vo of 75 m/s. If the rocket's descent parachute does not deploy and the rocket lands a distance d = 100 m from A, determine (a) the angle a
that vo forms with the vertical, (b) the maximum height above point A reached by the rocket, (c) the duration of the flight.
Fig. P11.112
400 ft

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