73.33 km/hr
Explanation:
The velocity of the car can be found by using the formula
[tex]v = \frac{d}{t} \\ [/tex]
d is the distance
t is the time taken
From the question we have
[tex]v = \frac{55}{0.75} \\ = 73.3333...[/tex]
We have the final answer as
73.33 km/hr
Hope this helps you
