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October 31, 2014

Homework Help: physics

Posted by aimee on Friday, June 24, 2011 at 5:35pm.

an ice skater starts out traveling with a velocity of (-3,-7) m/s. he performs a 3 second maneuver and ends with a velocity of (0, 5) m/s. (a) what is his average acceleration over this period? (b) a different ice skater starts with the same initial velocity, accelerates at (1.5, 3.5) m/s2 for 2 seconds, and then at (0, 5 m.s2 for 1 seconds. what is his final velocity?

(a)
(b)

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