The acceleration of the bike that speeds up from 0m/s to 9m/s in 3 seconds is 3m/s². Details about acceleration can be found below.
How to calculate acceleration?
The acceleration of a moving body can be calculated by dividing the change in velocity of the body by the time taken.
According to this question, a bike speeds up from 0m/s to 9m/s in 3 seconds. The acceleration can be calculated as follows:
a = (9m/s - 0m/s)/3 seconds
a = 9m/s ÷ 3s
a = 3m/s²
Therefore, the acceleration of the bike that speeds up from 0m/s to 9m/s in 3 seconds is 3m/s².
Learn more about acceleration at: https://brainly.com/question/12550364
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