3. (6 points) A classmate says they think of vector projections as shadows. Explain the connection between a vector and a shadow. Draw a picture if helpful. Explanation 4. Use the given pair of vectors, u = oi + 3j and w 2 0i + 4j. (4.1) (6 points) Draw u, w and show how to (4.2) (6 points) Draw "a, w and show how to find projw(u). Draw projw(u) with color nd proju(w). Draw proju(w) with color or in a way that stands out. or in a way that stands out. 7 try 7 wry 6 -- 6 ~ 5 5 A. - 4 + 3 " 3 - 2 - 2 ' l ' l ' I l I I Til I l l I mil J -2 -1 l 2 3 4 5 6 7 -} -2 -1 l 2 3 4 5 b 7 -2 v -2 r -3 -3 ' 5. (6 points) Draw a picture of a vector u and vector w for which proju(w) =. Exact Angle: Page 3