Which of the following statements about sunspots is false? a. they are areas of the sun that are "burnt out." c. they are cooler than the surrounding areas of the sun. b. they occur on the surface of the sun. d. they occur in cycles.

see the picture for the vector

the magnitude of the vector by pythagorean theorem

r = √( (-10)^2 + (3)^2 ) = √109

magnitude = √109 units

the direction angle between vector and x-axis is

tan^(-1)(3/10) = 16.699

so the direction is approximately 16.7 degrees north of west

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