Question

speed of a car is 60 km per hour another car speed is 15 m/s second which is faster and by how much.
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Answer 1

Answer:

we will convert second to hour

15/second = 15×(60×60)/60×60 seconds

540,400 speed per hour

we subtract 540,00-60

so Car b speed is more then car a speed by 539,940 km

Answer 2

Answer:

Speed of 1st Car = 60km/hr

Speed od 2nd Car = 15m/s = 54,000 m/hr = 54km/hr

So, Speed of Car 1 is more by 60 - 54 = 6 km/hr

Ans - Speed of Car 1 is more tha Car 2 by 6km/hr.