Posted by **jerry.** on Thursday, August 5, 2010 at 1:00pm.

its 20 000km from manchester to sydney australia the rocketdoes the journey in 4 hours. whats the average speed for the trip in m/s?

- velocity and acceleration -
**Ms. Sue**, Thursday, August 5, 2010 at 1:06pm
20,000 km * 1,000 = 20,000,000 m in 4 hours

4 hours = 60 * 60 = 3,600 seconds

Can you take it from there?

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