Aprojectile can include all answers that apply. a. have a constant speed b. expereience a balance of forces c. be moving upwards d. be on a surface e. encounter air resistance f. be moving downwards

Why is alternating current more effective at long–distance travel than direct current? a. the power lines are made out of conductors. b. transformers increase or decrease voltage as needed. c. the ac generator is more efficient. d. ac has lower voltage than dc.

Which statement best describes the direction of the buoyant force on any object? a. opposite the force of gravity b. in the same direction as the weight c. in the direction of motion of the object d. opposite the direction of motion of the object

Bonds within one water molecule are examples of