A car travels along a straight line at a constant speed of 60.5 mi/h for a distance d and then another distance d in the same direction at another constant speed. The average velocity for the entire trip is 27.0 mi/h.
(a) What is the constant speed with which the car moved during the second distance d?
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average velocity= total distance/ total time=2d/total time
total time is t1 + t2
substitute and solve for v
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I absolutely can't thank you enough-- at this very moment i'm at a some starbucks, i've been beating my head against the wall over this problem.
I've been through considerable amounts of math, but apparently coming into physics with a boastful attitude has proven to be of great handicap on my part.
I thank you again!