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Sagot :
Answer:
Acceleration = 5 m/s2
Explanation:
As, acceleration is the rate of change of velocity per unit time, we have the formula;
acceleration = change in velocity / change in time
a = 25 m/s - 10 m/s / 3 seconds
a = 15 m/s / 3 seconds
a = 5 m/s.s
a = 5 m/s2
So, the acceleration of the roller coaster is 5 m/s2
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