Wector A lies in the XY plane and makes an angel 0 with the positive x-axis. if the y-component of vector A equals 1/5 of its magnitude then angel e is: a. 19.5º O b. 7.1 ° c. 11.5º d. 70.5° e. 82.5°

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Density of Solids

The density of a substance refers to how much matter is present in a given amount of space. It is expressed as the ratio of the mass of the substance to its volume.