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A record of travel along a straight path is as follows: 1. Start from rest with...

A record of travel along a straight path is as follows:

1. Start from rest with constant acceleration of 2.80 m/s2 for 16.0 s.
2. Maintain a constant velocity for the next 3.00 min.
3. Apply a constant negative acceleration of −9.38 m/s2 for 4.78 s.

(a) What was the total displacement for the trip?


(b) What were the average speeds for legs 1, 2, and 3 of the trip, as well as for the complete trip?

leg 1       m/s
leg 2    
m/s
leg 3    
m/s
complete trip    
m/s
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