Question

A car travelling 20 kilometre per hour it speeds up to 60 km per hour find its acceleration​

Answer 1

acceleration=distance/time

=60/20

=3

Step-by-step explanation:

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Answer 2

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