A 3.00-kg object is initially moving northward at 15.0 m/s. Then a force of 15.0 N, toward the east, acts on it for 5.90 s.     a.)At the end of the 5.90 s, what is magnitude of the object’s final velocity? b.)What is the direction of the final velocity? Enter the angle in degrees where positive indicates north of east and negative indicates south of east.

Principles of Physics: A Calculus-Based Text
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Author:Raymond A. Serway, John W. Jewett
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Chapter4: The Laws Of Motion
Section: Chapter Questions
Problem 29P: An object of mass m = 1.00 kg is observed to have an acceleration a with a magnitude of 10.0 m/s2 in...
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A 3.00-kg object is initially moving northward at 15.0 m/s. Then a force of 15.0 N, toward the east, acts on it for 5.90 s.

 

 

a.)At the end of the 5.90 s, what is magnitude of the object’s final velocity?

b.)What is the direction of the final velocity? Enter the angle in degrees where positive indicates north of east and negative indicates south of east.

c.)What is the change in momentum during the 5.90 s? Take +y to be north and +x to be east. Enter a positive answer if the change in momentum is toward east and a negative answer if the change in momentum is toward west.

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