Thursday, April 18, 2013

Surfing For Physics Formulas For Motion?

Michael asks…Linear Motion Physics Problem 3-28?Dennis drives for 1 hour at average speed v. Then, he drives for another hour at average speed 4v.
a. Find the overall average speed.
b. Calculate his overall average speed if his average speed for the first hour is 25 km/h, and his average speed during the second houris 100 km/h.

I am completely lost since there is only one example in the book and it involves a bee flying at a bicyclist. I drew a diagram to help me illustrate the situation.

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