Question

The speed of a moving car is 72km/h. Calculate its speed in m/s. ​

Answer 1

Answer:

Speed of a car - 72km/hr

Speed of the car in 1 min - 72 ÷ 60 = 1.2km/min

Speed of the car in 1 second - 1.2 ÷ 60 = 0.02kmsec

Sum of the speed of car in 1 min and 1 sec = 1.2 + 0.02 = 1.22

So, 1.22 is the answer.

Explanation:

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Answer 2

$\large {\green {\sf {\underline {\underline {Step-by-step \: Explanation}}}:-}}$

Here, speed of the car = 72 km/h

We know that 1 km = 1000m

1 h = 60 × 60 s = 3600 s

$So, \: speed = \frac{72 \times 1000 \: m}{1 \times 3600 \: s} = 20 \: m/s$

Therefore, the speed of the moving car is 20 m/s.

$\large\color{blue}{I \: hope \: it \: helps \: you.}$

$\huge\dag\sf\red{By \: Divyanshu}$