need help step by step for Q1 to Q11 Will rate (+) Ps: open images in a new tab

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need help step by step for Q1 to Q11

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1. 2 points ScrPSE9 3.P001 I. My Notes Ask Your Teach Ihe polar coordinates of a point are r = 5.0U m and = 230u, what are the Cartesian coordinates of this point? Need Help?Read itWatch t Submit Answer Save Progress Practice Another Version 2.2 points SaPSE9 3 P015 wi My Notes Ask Your Teach A vector has an x component of -24.5 units and a y component of 40.2 units. Find the magnitude and direction of this vecto magnitudo direction unit(s) e counterclockwise from the +x axls Need Help? Read ItWatch t 3. +-1 points SerPESE9 3.P 016 My Notes +Ask Your Teach Vector A has a magnitude of 25 units and points in the positive y direction. When vector B is added to Â, the resultant vector A magnitude of points in the negative y direction with a magnitude of 17 units. Find the Need Help? N-ana

Explanation / Answer

1. x = 5 cos230 = -3.21 m

y = 5 sin230 = -3.83 m

2. magnitude = sqrt(24.5^2 + 40.2^2) = 47 units

direction = 180 - tan^-1(40.2 / 24.5) = 121 deg

3. A = 25 j

A + B = - 17j

25j + B = - 17j

B = - 42 j

magnitude = 42 units

4. (A) x = 2.20 cos40 = 1.68 m

y = 2.20 sin40 = 1.41 m

(b) x = 3.50 cos130 = -2.25 m

y = 3.50 sin130 = 2.68 m

(c) distance = sqrt[ (1.68 + 2.25)^2 + (1.41 - 2.68)^2]

= 4.13 m

5. (a) R = (-7.71 m) i + (9.19 m) j

(b) R = (0.56 cm) i + (3.15 cm) j

(c) R = (-21.2 in ) i + ( -11.3 in)j

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