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A car goes from 30 m/s to 20 m/s in 2 seconds. What is the acceleration of the car in m/s2?
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Answers ( )
Answer:
Given:
Initial speed (u) = 30 m/s
Final speed (v) = 20 m/s
Time taken (t) = 2s
To Find:
Acceleration (a) of the car
Explanation:
From equation of motion we have:
By substituting value of v, u & t in the equation we get:
Acceleration (a) of the car = -5 m/s²