Posted by jerry. on .
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 -
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?