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Question

The odometer of the car reads 2000Km at the start of the trip and 2400Km at the end of the trip. If the trip took 8H, Calculate the average speed of the car in kmh-1 and ms-1.


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Solution

Step 1: Given

Initial distance di=2000Km

Final distance df=2400Km

Time t=8h

Step 2: To Find

Average Speed Of The Car.

Step 3: Calculate average speed of the car

vavg=df-dit=2400Km-2000Km8h=400Km8h=50Kmh=50×103m3600s=13.88ms

Hence, the average speed of the car is 50Kmh or 13.88ms.


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