2. The diagram below shows a 10,000 kg bus traveling on a straight road which rises and falls. The speed of the bus at point A is 27 m/s (60 mph). The engine has been disengaged and the bus is coasting. Friction and air resistance are assumed negligible. The numbers on the right show the altitude above sea level in meters. The letters A-F correspond to points on the road at these altitudes. 65 m 65 m E 60 m 60 m D. F 55 m 55 m 50 m 50 m C. B.
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