Forces u and v with magnitudes of 150 newtons and 220 newtons, respectively, act on a hook (see figure). (a) Find the direction and magnitude of the resultant of the forces when = 30°. (Round your answers to one decimal place.)
direction

(b) Write the magnitude M of the resultant as a function of , where 0° ≤ ≤ 180°.
M =
Write the direction of the resultant as a function of , where 0° ≤ ≤ 180°.
=

(c) Use a graphing utility to complete the table. (Round your answers to one decimal place.)
0° 30° 60° 90° 120° 150° 180°
M
° ° ° ° ° ° °

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Ответ:

ahmadfarriz4088

21.04.2023

Mathematics

$z = \pm15i \\ \Leftrightarrow {z}^{2} = {(\pm15i)}^{2} = - 225 \\ \Leftrightarrow {z}^{2} + 225 = 0$

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