SOLUTION: You drive a car due north at a speed of 64 km/hr for 21 km, and then you accelerate to 96 km/hr and continue north for another 45 minutes. What is your average velocity?
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Question 1050620: You drive a car due north at a speed of 64 km/hr for 21 km, and then you accelerate to 96 km/hr and continue north for another 45 minutes. What is your average velocity?
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
D = rt
96kmph*(3/4)hr = 72km
or D/r = t
Total Distance /total time = = average velocity
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