Two cars approach each other on a straight road, one at 54 km/h and the other at 72 km/h. At what rate, in m/s, does the distance between them shrink?

PhysicsEasyHigh School (11–12)Mechanics › Relative Motion

Two cars approach each other on a straight road, one at $54\ \text{km/h}$ and the other at $72\ \text{km/h}$ . At what rate, in m/s, does the distance between them shrink?

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