C.8. Grade8Q3.Part 1.20.21 / 1 of 32 Living systems obey the law of conservation of energy. Which of the following best summarizes the law of conservation of energy?

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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answer: a. same unit

explanation:

a skateboard rolling across the street - apex