Question

An observer by the side of a straight, level, north-south road watches a car (A) Moving south at a rate of 75 km/h. A driver in another car (B) Going north at 50 km/h also observes car A.
(a) What is car A’s velocity as observed from car B? (Take north to be positive.)
(b) If the roadside observer sees car A brake to a stop in 6.0 s, what constant acceleration would be measured?
(c) What constant acceleration would the driver in car B measure for the braking car A?


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  • CreatedAugust 29, 2015
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