How long will it take the car to reach the truck

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A car traveling 80 km/h is 70 m behind a truck traveling 75 km/h. How long will it take the car to reach the truck? I have utilized a similar solution from the book (Physics by Giancoli, 6th edition) as a reference however doesn’t understand how they came up with the answer after finding the relative speed.

Reference no: EM13669597

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