A car increases its speed from 20 kmph to 50 kmph in 25 seconds. What is its acceleration?
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Answered by
1
Answer:
a = v - u / t
a = 50 - 20 / 25
a = 1.2 ms^-2
Answered by
1
Explanation:
Acceleration is change in velocity per unit time
a= ( v1- V2) / (t1- t2)
=v2−v1=30kmph= 30×(5/18)m/s
= 25/3 m/s
t2−t1=10s
a= 25/(3×10)
= 5/6m/s2
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