February 20, 2017

Homework Help: Physics

Posted by Mary on Thursday, September 26, 2013 at 10:20am.

I must show my work for full credit. I need help on this question. I don't need answers, but could you help me figure it out.

A microbiologist measures the speed of a swimming bacterium. The bacterium covers a distance of 2.16 microns in 5.0 seconds. The biologist wished to compare the speed of the bacteria with other animals, but the speeds of other animals are listed in kilometers per hour. What is the speed of the bacterium in kilometers per hour? (1 micron = 1 x 10–6 m) Use scientific notation and express your answer to the correct number of significant figures.

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