Question

i) If a car travels 340 kilometers in 4hrs.Calculate its speed.​

Answer 1

Answer:

Therefore the average speed of the car would be equal to 400 km divided by 4hrs which would equal 100. To find the units of speed would be ...

Answer 2

Flexible support where it's needed.

Speed=distance/time

SI unit of speed is m/s

So convert it into mere and second :

1km=1000m

400km=400000m

1hour=60min

Imin=60 sec

1hour=3600sec

4 hours=3600*4=14400sec

Speed=400000/14400=27.77m/s

Also,

Speed=400/4=100km/hr

Take care of the units also. If it is in terms of SI then answer is 27.77m/s.