Question

# Question 10 A car moves with a speed of 40 km/h for 15 minutes and then with a speed of 60 km/h for the next 15 minutes. The total distance covered by the car is: (i) 100 km (ii) 25 km (iii) 15 km (iv) 10 km

Solution

## Firstly, the car is moving with a speed of 40kmhr for 15 minutes. 15 minutes=1560hrs=14hrs Distance covered =speed×time= 40×14=10 km Secondly, the car is moving with a speed of  60kmhr for 15 minutes. Distance covered = 60×14=15 km Total distance covered = 10 km + 15 km = 25 km PhysicsNCERT TextbookStandard VII

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