#233 Obtain expressions in component form

Obtain expressions in component form - Physics

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Free Chegg Question

Obtain expressions in component form for the position vectors having the following polar coordinates.

(a) 12.6 m, 130° counterclockwise from the +x axis
 = m

(b) 3.60 cm, 70.0° counterclockwise from the +x axis
 = cm

(c) 24.0 in., 206° counterclockwise from the +x axis
 = in.

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Free Chegg Answer

Let i and j represent the unit vectors in the +x and +y directions respectively

(a) 12cos130 i + 12sin130 j = -7.71 i + 9.19 j

(b) 3.60cos70 i + 3.60sin70 j = 1.23 i + 3.38 j

(c) 24cos206 i + 24sin206 j = -21.57 i - 10.52 j