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April 20, 2014

April 20, 2014

Posted by **Emily** on Tuesday, September 4, 2012 at 8:30am.

- physics -
**RABIUL**, Tuesday, September 4, 2012 at 9:52am5KM/H

- physics -
**Hayley**, Wednesday, September 5, 2012 at 10:54amaverage speed is 10.3kmh

15km/h for ten hours is 150km

20km/h for 6 hours is 120km

10km/h for 5 hours is 50km

10hrs at rest

150+120+50=320km in 31hrs

Speed average=total distance travelled/time taken

320/31= Average speed of the ship is 10.3km/h

currently trying to work out the displacement to work out the average velocity cause v=d/t we already have time

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