Question: A model rocket is launched in the vertical plane at time t=0 sec as shown in Fig. P2.9. The height of the rocket (in

A model rocket is launched in the vertical plane at time t=0 sec as shown in Fig. P2.9. The height of the rocket (in feet) satisfies the quadratic equation h(t)=64t-161. (a) Find the value(s) of the time t when h(t) = 48 ft. (b) Find the value(s) of the time t when h(t) = 60 ft. (c) Find the time required for the rocket to hit the ground. (d) Based on your solution to parts (a) through (c), determine the maximum height of the rocket and sketch the height h(t). A= h(t) = 64t - 16t 2 Figure P2.9: A model rocket for problem P2-9.

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