Finding average velocity

Physics
Tutor: None Selected Time limit: 1 Day

A dog sled goes straight at 9.8 m/s for 10.8 hours. Then the dogs rest for the remainder of the day. What's the average velocity for the entire 24-hour day? Give your answer in m/s.

Jan 26th, 2015

Please note that time is 10 hours and 48 minutes, which is equivalent to 38880 seconds.

During that time the space S traveled by our dog is:

S=9.8*38880=381024 meters. So the average speed v during 24 hours, is:

v=(381024)/(86400)=4.41 m/sec, since 24 hours are equivalent to 86400 seconds

Jan 26th, 2015

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Jan 26th, 2015
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Jan 26th, 2015
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