Agraph of the motion of a pendulum shows that it swings from +5 centimeters to -5 centimeters for each cycle. what is the amplitude of the pendulum?

What you see with your eyes is a form of energy. a. light b. heat c. chemical d. electrical

Would it be correct to say the doppler effect is the apparent change in the speed of a wave due to the motion of the source? be sure to fully explain your position using at least 3 complete content related sentences.

Due in 40 explain in terms of frame of reference if you’re inside a moving train everything on the outside can seem to be moving