Mackenzie walks four blocks west then two blocks south then four blocks east and finally one block south . What is the magnitude of her total displacement during this walk(in blocks)?

Which object is most likely represented by a dot?

You are driving directly behind a pickup truck, going at the same speed as the truck. a crate falls from the bed of the truck to the road. (a) will your car hit the crate before the crate hits the road if you neither brake nor swerve? (b) during the fall, is the horizontal speed of the crate more than, less than, or the same as that of the truck?

Which compound is held together by the electrostatic force between two ions? a. co2 b. cci4 c. h2s d. mgf2