Question

The speed of a car is 30m/s calculate its speed in k/hr


a)110km/hr
b) 5.3km/hr
c) 108km/hr
d)109km/h
​

Answer 1

Answer:

we know 1km=1000m

so 1m =0.001km

and 1h=60*60second=3600second

so 1second=1/3600 h

Step-by-step explanation:

so 30m/s=(30*0.001)/(1/3600)

=30*3600*0.001=108km/hr

Answer 2

According to the question:

• As per given in the question, Speed of a car is 30m/s and we are said to find km/hr.

Therefore,

we convert m/s into km/hr

$\: \: \sf \: \frac{18}{5}$

$\: \: \sf \: 30 \frac{m}{sec} = 30 \times \frac{18}{5} = 108 \frac{km}{hr}$

Extra Info...

• Speed:The rate at which someone or something moves or operates or is able to move or operate.
• Time: The indefinite continued progress of existence and events in the past,present and future regarded as a whole.
• Distance:The whole path covered with some magnitude.