An experimental fireworks shell is launched vertically from point A with an init

Question

An experimental fireworks shell is launched vertically from point A with an initial velocity of magnitude v0 = 140 ft/sec. In addition to the acceleration due to gravity, an internal thrusting mechanism causes a constant acceleration component of 3.0g in the direction shown for the first 3.0 seconds of flight, after which the thruster ceases to function. Determine the maximum height h achieved, the total flight time t, the net horizontal displacement x from point A, and plot the entire trajectory. Neglect any acceleration due to aerodynamics. angle is 51 dergrees instead of 60 degrees and 3.0g instead of 2g in the picture.

Explanation / Answer

please repost with figure

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