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A uniformly accelerated car passes three equally spaced traffic signs. The signs are separated by a distance d = 20 m. The car passes the first sign at t = 1.5 s, the second sign at t = 3.9 s, and the third sign at t = 5.2 s.
(a) What is the magnitude of the average velocity of the car during the time that it is moving between the first two signs?
(b) What is the magnitude of the average velocity of the car during the time that it is moving between the second and third signs?
(c) What is the magnitude of the acceleration of the car?
In the Biomedical and Physical Sciences building at MSU there are 132 steps from the ground floor to the sixth floor. Each step is 16.6 cm tall. It takes 6 minutes and 53 seconds for a person with a mass of 70.8 kg to walk all the way up.
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