viktorzuper97 viktorzuper97

20-10-2019
Physics

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1. A car’s speedometer reads 40 m/s after accelerating from a standing start, for 25s. What was the magnitude of its acceleration

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mathtutors1927 mathtutors1927

20-10-2019

Answer:

a = 1.6m/s^2

Explanation:

v1 = 0 (starts from rest)

v2 = 40m/s

t = 25s

a = ?

use equation a = v2-v1 / t

a = 40 - 0 / 25

a = 1.6m/s^2

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