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Here are three displacements, each in meters: d→1=7.6î+4.8ĵ-9.2k̂, d→2=-1.0î+2.0ĵ+3.0k̂, and d→3=4.0î+3.0ĵ+2.0k̂. What is r→=d→1-d→2+d→3((a), (b) and...

Here are three displacements, each in meters: d→1=7.6î+4.8ĵ-9.2k̂, d→2=-1.0î+2.0ĵ+3.0k̂, and d→3=4.0î+3.0ĵ+2.0k̂. What is r→=d→1-d→2+d→3((a), (b) and (c) for î, ĵ and k̂ components respectively)? (d) What is the angle between r→ and the positive z axis? (e) What is the component of d→1 along the direction of d→2? (f) What is the component of d→1 that is perpendicular to the direction of d→2 and in the plane of d→1 and d→2?

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