A jogger runs along a straight and level road for a distance of 8.0km and then r

Question

A jogger runs along a straight and level road for a distance of 8.0km and then runs back to her starting point. The time for this round trip is 2.0 h. Which statement is true? A. Her average speed is 8.0 km/h, and her average velocity is 8.0 km/h. B. Her average speed is 8.0 km/h, and her average velocity is 0 km/h. C. Her average speed is 8.0 km/h, but there is not enough information to determine the velocity. A cheetah is hunting. Its prey runs for 3.2 s at a constant velocity of +9.6 m/s. Starting from rest, what constant acceleration must the cheetah maintain in order to run the same distance as its prey runs in the same time? [ ] m/s^2

Explanation / Answer

A, Her average speed is 8.0 km/h B. Her average speed is 8.0 km/h, and her average velocity is 0 km/h

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