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A skater travels in a straight line for 855 m in a direction of 25.0 degrees...

A skater travels in a straight line for 855 m in a direction of 25.0 degrees north of east, then 560 m in a straight line 22 degrees east of north.

a) What is the skater's resultant displacement?
b) If the motion took 4.40 min, determine the skater's average speed and average velocity.

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