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OpenStudy (anonymous):
At a certain instant an object has the following velocity components: v¬¬x = 300 m/s, vy ¬¬= 400 m/s. What is the speed of the object at that instant? What is the velocity of the object in terms of the unit vectors î and ĵ?
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OpenStudy (anonymous):
speed = magnitude of velocity = sqrt[vx^2 + vy^2] v = (300. 400)
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