Question

A car is travelling at 20 km/h, it speeds upto 60 km/h in 6 seconds. What is its acceleration?

Answer 1

u= 20 km/h = 20*5/18= 50/9 m/s

v= 60 km/h = 60*5/18= 50/3 m/s

t= 6 s

a= v-u/t

 = 50/3-50/9÷6  

 = 100/9÷6

 = 100/9×1/6

 = 50/27 m/s^2

Answer 2

Hey mate,.....

u= 20 km/h = 20*5/18= 50/9 m/s

v= 60 km/h = 60*5/18= 50/3 m/s

t= 6 s

a= v-u/t

= 50/3-50/9÷6

= 100/9÷6

= 100/9×1/6

= 50/27 m/s^2

Hope it will help you.

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