Question

4. A car travels a distance of 15 km in 20 minute
Find the speed of the car in (i) km h

Answer 1

Explanation:

hlo mate here's your answer

1000×

1000×15

1000×1560×

1000×1560×20

1000×1560×20Speed of car in ms

1000×1560×20Speed of car in ms−1

1000×1560×20Speed of car in ms−1Speed of car =

1000×1560×20Speed of car in ms−1Speed of car =time

1000×1560×20Speed of car in ms−1Speed of car =timedistance

1000×1560×20Speed of car in ms−1Speed of car =timedistanceSpeed of car =

1000×1560×20Speed of car in ms−1Speed of car =timedistanceSpeed of car = 1200sec

1000×1560×20Speed of car in ms−1Speed of car =timedistanceSpeed of car = 1200sec15000m

1000×1560×20Speed of car in ms−1Speed of car =timedistanceSpeed of car = 1200sec15000m=

1000×1560×20Speed of car in ms−1Speed of car =timedistanceSpeed of car = 1200sec15000m=12.5ms

1000×1560×20Speed of car in ms−1Speed of car =timedistanceSpeed of car = 1200sec15000m=12.5ms−1

hope its help you mark as brainlist

Answer 2

Answer:

If the car travels 15km in 20 minutes, and 20 minutes are a third of an hour, so the speed per hour is : (15km * 3)/(20min * 3) = 45km/60min, as 60min is an hour so it's equal to 45km/h. Same way an hour has 3600 seconds so the speed for second is: (45km / 3600)/(1h / 3600) = 0.0125km/1s = 12.5m/s.

Explanation:

thanks dedo please