what is the average speed

Physics
Tutor: None Selected Time limit: 1 Day

A train travels in a straight line at 16.0 

m/s for 2 km, then at 30.0 m/s for another 2 km. What is the average speed 
Oct 3rd, 2015

Thank you for the opportunity to help you with your question!

average speed at 16.0 = 16/2 =8 m/s

average speed at 30 = 30/2 = 15 m/s

total average speed = 8+15  =23 m/s

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Oct 3rd, 2015

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