Dot Products of Vectors Practice Questions and Answers 100% Pass

Document Content and Description Below

Dot Products of Vectors Practice Questions and Answers 100% Pass Find the work done by a force F of 21 pounds acting in the direction (2,5) in moving an object 7 feet from (0,0) to (7,0). ✔✔a. ... 54.59 foot-pounds Find a b if a =(4,3) and b = (4,5) ✔✔A. 31 Use the dot product to find v when v = (2,7). ✔✔d A constant force of F = (23,33)moves an object along a vector D = (20,18), where units are in pounds and feet. Find the work done. ✔✔c. 1054 foot-pounds Write the vector u as a sum of two orthogonal vectors, one of which is the vector projection of u onto v, projvu U=(-6,8) V=(7,1) ✔✔D Write the vector u as a sum of two orthogonal vectors, one of which is the vector projection of u onto v, projvu U=(-9,3) V=(-9,-3) ✔✔A Find the angle between u = (8,-3)and v = (-3,8). Round to the nearest tenth of a degree. ✔✔B 90* Find the angle between the given vectors to the nearest degree. ✔✔c. 108.4 Find the angle between u =i+sqet7i and v = -i+9j . Round to the nearest tenth of a degree. ✔✔b 27.0 Use the dot product to find v when v = (7,24) ✔✔A 25 [Show More]

Last updated: 3 years ago

Preview 1 out of 2 pages

Buy Now

Instant download

We Accept: