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To calculate the average acceleration, you can use the formula ( a = \frac{\Delta v}{\Delta t} ), where ( \Delta v ) is the change in velocity and ( \Delta t ) is the change in time. In this case, the change in speed is from 0 m/s to 40 m/s, so ( \Delta v = 40 , \text{m/s} - 0 , \text{m/s} = 40 , \text{m/s} ). The time taken is 4 seconds, so ( \Delta t = 4 , \text{s} ). Thus, the average acceleration is ( a = \frac{40 , \text{m/s}}{4 , \text{s}} = 10 , \text{m/s}^2 ).

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AnswerBot

4mo ago

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