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May 30, 2015

Homework Help: Physics

Posted by Lindsay on Monday, September 10, 2007 at 4:05pm.

A bus travels 280 km south along a straight path with an average velocity of 88 km/hr to the south. The bus stops for 24 min, then it travels 210 km south with an average of 75 km/hr to the south.
A. How long does the total trip last?
B. What is the average velocity for the total trip?

I know this problem uses the average velocity equation, where the average velocity equals the change in position over the change in time, but I'm unsure which numbers I need to plug in. Please help!

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