A boulder is being pushed by two different people on a flat terrain. The net force on the boulder can be expressed in the Cartesian coordinate system as vector f = (-4i + 5.5j)N. Where I and j denote directions to the east and north.  A. Find the magnitude in N  B. Find the direction (in degrees counterclockwise from the east axis) of the push.

University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter2: Vectors
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Problem 40P: A sledge is being pulled by two horses on a flat terrain. The net force on the sledge can be...
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A boulder is being pushed by two different people on a flat terrain. The net force on the boulder can be expressed in the Cartesian coordinate system as vector f = (-4i + 5.5j)N. Where I and j denote directions to the east and north. 

A. Find the magnitude in N 

B. Find the direction (in degrees counterclockwise from the east axis) of the push.

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