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1). The magnitude and direction of two forces acting on an object are 90 pounds, S72°...

1). The magnitude and direction of two forces acting on an object are 90 pounds, S72° east, and 110 pounds, N66° east, respectively. find the magnitude to the nearest hundredth of a pound in the direction angle to the nearest tenth of a degree.


2). A quarterback releases a football with a speed of 46 feet per second at an angle of 60 degrees with the horizontal. Express the vector in terms of i and j. Type answer in form of ai+bj.
Math   Precalculus   
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