Question

A car moves with a speed of 40km/h for 5 minutes and then with a speed of 60km/h for another 5 minutes. The total distance covered by the car is :​

Answer 1

Answer:

Speed of car in first 15 minutes = 40 km/h

Distance covered = speed × Time taken

60 minutes = 1 hour

15 minutes =

60

15

hour

Distance covered = 240×

60

15

=10km

Speed of car in next 15 minutes = 60 km/h

Distance covered = 60×

60

15

=15km

∴ Total distance covered = (10+15)km = 25 km

∴ 25 km is correct

Explanation:

I hope it helps u.

Answer 2

$\bf\Large{Answer :}$

Distance covered in first 5 minutes = Speed×Time

= 40×5/60

= 3.3 km

Distance covered in another 5 minutes = Speed×time

= 60×5/60

= 5 km

Total distance = 5+3.3 = 8.3 km

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