Question

A car travels a distance of 75 km in 1.5 hours
a. What is its speed?
b. Express its speed in m/s. ​

Answer 1

Explanation:

a) Distance = 75km

Time= 1.5 hours

$speed = \frac{distance}{time} = \frac{75}{1.5} = 50$ km/ hour

B) In m/ per second = (1hour=3600sec),

(1kilometre=1000m) = 1000/3600=5/18

In m/per second =1/50×5/18=180m/s

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