hasna260 hasna260

24-10-2021
Physics

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Sarah decelerates from 30 to 10m/s over a distance of 5m. What is her acceleration?

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Bloodydrixmie Bloodydrixmie

24-10-2021

The change in velocity is v – u, which is 30 – 10 = 20 m/s.

The acceleration is the change in velocity ÷ time, which is 20 m/s ÷ 4 s = 5 m/s2.

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