1. What is the sum of the following four vectors in (a) unit -vector notation, a

Question

1. What is the sum of the following four vectors in (a) unit -vector notation, and as (b) a magnitude and (c) an angle? A = (2.00m)i +(3.00m)j                                    B:4.00 m, at +65degrees C = (-4.00 m)i + (-6.00m)j                               D:5.00 m, at -235degrees 1. What is the sum of the following four vectors in (a) unit -vector notation, and as (b) a magnitude and (c) an angle? A = (2.00m)i +(3.00m)j                                    B:4.00 m, at +65degrees C = (-4.00 m)i + (-6.00m)j                               D:5.00 m, at -235degrees

Explanation / Answer

For A, a) A=(2i+3j)m , b) |A|=(4+9)=3.6 m c)=tan-1(3/2)= 56.31 For B, a) B=(1.69i+3.625j)m, b) 4m, c) 65 degrees For C, a) C=(-4i-6j)m, b) |C|=(16+36)= 7.21 m, and c)=tan-1(-6/-4)=56.31+180=236.31 degrees For D, a) D=(-2.87i+4.096j)m, b) |D|= 5 m and c) 125 degrees from+x axis.

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