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Q. A car travels along a straight road for 46.0 km at 15.0 km/hr. It then continues in the same direction for another 46.0 km at 48.0 km/hr. What is the average speed of the car during this 92.0 km journey?

Q. A car drives straight off the edge of a cliff that is 52 m high. The police at the scene of the accident observed that the point of impact is 135 m from the base of the cliff. How fast was the car traveling when it went over the cliff?

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