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05/01/2021 4:26 pm
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A racing car has a uniform acceleration of 4 m s-2. What distance will it cover in 10 s after start?
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05/01/2021 4:31 pm
Here, a = 4 m s-2, t = 10 s, u = 0.
∴ s = ut + \(\frac{1}{2}\) at2
= 0 x 10 + \(\frac{1}{2}\) x 4 x (10)2
= 0 + \(\frac{1}{2}\) x 4 x 100
∴ s = 200 m
The distance covered in 10 s by the car is 200 m.