1. Chapter 7 Review

2. Communication What does it mean to find the vector project of a onto b? Explain with an example. What does it mean to find the cross product of two vectors? Explain. Vector a x b is collinear to c x d. What does this tell us about vectors a, b, c and d?

3. Application An airplane moves at 400 km/hr at a bearing of 40 degrees from North without wind. Wind starts to blow, and moves the plane off course with a bearing of 50 degrees from North at 430 km/hr. What is the direction and velocity of the wind? Try to solve this in two ways to check your work.

4. Thinking: A bolt requires 350 joules of torque in order to twist free. If it gets too much torque, it will strip the bolt, however. Describe how you could apply this torque to the bolt.

5. Summary: What is the dot product? What is the cross product? What is a vector projection? Pg. 418, #7, 8, 15, 18, 24, 31