Chemical energy is a form of (1.) energy stored in the bonds of (2.). (Fill in the blanks with the correct answer. Make sure to number your answers to correspond with the correct numbered blank in the above sentence.)

acceleration = (change in speed) / (time for the change)

change in speed = (20-120)= -100 m/s.

1.5 min = 90 sec

acceleration = -100/90 = -1.11 m/s^2.

we don't care about the 150kg or the 2,500 meters. they don't make any difference.

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you get 2.3=1.21*\frac{a}2 or 4.6=1.21a or a=3.802 (b)

explanation: