Question

a car travelling at 18 km per hour speed up to 54 kilometre per hour in 5 seconds what is its acceleration
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Answer 1

Answer:

54-18÷5/3600

2 ms^-2

...answer

Answer 2

Answer:

2 METRE PER SECOND SQUARE

Explanation:

u=18kmph =18×5÷18=5m/s

v=54kmph=54×5÷18=15m/s

t=5s

a=v-u/t

 =15-5/5

 =2m/s^2