Cumulative Exam — Cumulative exam Answers

Jerimiah is studying Wave A and Wave B. Wave A is traveling at 3 hertz, and Wave B is traveling at 1.2 hertz.

Which change will decrease the electric force between two positively charged objects?

Theresa comes up with four examples of waves: sound wave, ocean wave, light wave, and hand wave. Which of Theresa's examples is not an actual scientific wave?

On a test, Helena is defining energy. Which must she include in order to get her answer marked correct?

Which term refers to the ability to do work?

Farah is doing an experiment that involves calculating the speed of a longitudinal wave. What will most likely happen if she increases the temperature in the room?

What is the kinetic energy of a toy truck with a mass of 0.75 kg and a velocity of 4 m/s? (Formula: )

Luz, who is skydiving, is traveling at terminal velocity with her body parallel to the ground. She then changes her body position to feet first toward the ground. What happens to her motion?

A circuit contains two light bulbs connected in parallel. What would happen to the brightness of each light bulb if two more light bulbs were added in parallel to the first ones?

Which statement correctly distinguishes photosynthesis and respiration?