Question

A car travels a distance of 15 km in 20 minute.
Find the speed of the car in (1) km h-I, (ii) m s-1.​

Answer 1

To find speed we first calculate distance

v= 15 km = 15000m

t=1200 sec

u=0

s= 0+15000

1200

= 25. m/s =14.5

2

speed = distance

Time

= 14.5

1200

= 7.25 m s`¹

600