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View Available Hint(s) I Periodic Table Cars A and B are racing each other along

ID: 1878502 • Letter: V

Question

View Available Hint(s) I Periodic Table Cars A and B are racing each other along the same straight road in the following manner. Car A has a head start and is a distance DA beyond a position marker at timet 0. The marker is at 0.Car A travels at a constant speed UA. Att-0, car B is passing the marker line. Car B travels at a constant speed UB, which is greater than vA Previous Answers Correct Part B How far from the marker line (Car B's position at t 0) will the cars be when Car B passes Car A? Express your answer in terms of known quantities. (You may use fustcs as well) View Available Hint(s) Submit

Explanation / Answer

a)We know that,

v = d/t => t = d/v

t = Da/(Vb - Va)

b)Dist that B travels in t

d = v t

d = Vb Da/(Vb - Va)