a car travels with a speed of 30 km per hr and then with speed of 40 km-1 for 1 hr . Find the average speed
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Answer:
45km
Explanation:
Speed = distance travelled / time of motion
Therefore,
distance travelled = speed x time of motion
In 30 minutes i.e 0.5 Hr, the car travelling with the speed of 30 Km/Hr will cover
= 30 x 0.5 = 15 Km distance
If the same car travells with the speed of 40 Km/Hr for 1 hour, the car will cover
= 40 x 1 = 40 Km
Therefore, the total distance travelled by the given car is 15 Km + 30 Km = 45 Km
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