Question

S General Physics 1 & 2 (Physics 183/ Cutnell, Physics, 11e Gradeboek ORION Downloadable eTextbook LL SCREEN PAINTER VERSTON BACK N Chapter 01, Problem 37 GO 25 25 The components of vector A are A and A, (both positive), and the angle that R makes with respect to the pesitive x axis is & Find the angle if the components of the dniacerert vector A are (a) Ar " 13 m and A,-13m,(b) A.-21mand Ar-13m, and (c) 13m, and A-21m. (a) 0 Number (b) 8-Number Question Attemptsi Unlimited sA Fo LAs 2 3 5 6 0 ommarn option

Answer 1

Since angle is with positive x axis we can use

$tan \theta =\frac{A_y}{A_x}$

(a) $tan \theta =\frac{A_y}{A_x} = \frac{13}{13}=1$

$\Rightarrow \theta =45^o$

(45 degrees)

Similarly,

(b) $\Rightarrow \theta =31.76^o$

(c) $\Rightarrow \theta =58.24^o$