The velocity attained by a car in 10 s is 40m/s. Calculate its acceleration if it started from rest.

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Solution

Initial velocity u=0

Final velocity v=40

Time taken t=10

Acceleration a=v-ut

a=40/10=4
∴ Acceleration =4 m/ s 2

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The velocity attained by a car in 10 s is 40m/s. Calculate its acceleration if it started from rest.

Initial velocity u=0 Final velocity v=40 Time taken t=10 Acceleration a=v-ut a=40/10=4 ∴ Acceleration =4 m/ s 2

Initial velocity u=0

Final velocity v=40

Time taken t=10

Acceleration a=v-ut

a=40/10=4
∴ Acceleration =4 m/ s 2