When a student listens to music, sound waves travel from the speaker to her ear. Which of the following is a physical description of this process?
a. Particles produced at the speaker move to the student's ear.
b. Energy is transferred from the speaker to the student's ear.
Matter is transferred from the speaker to the student's ear.
d. Clusters of air molecules are sent from the speaker to the student's ear.

According to newton's second law, when the same force is applied to two objects of different masses, a the object with greater mass will experience a great acceleration, and the object with less mass will experience an even greater acceleration, b. the object with greater mass will experience a smaller acceleration, and the object with less mass will experience a greater acceleration, c. the object with greater mass will experience a greater acceleration, and the object with less mass will experience a smaller acceleration, d. the object with greater mass will experience a small acceleration, and the object with less mass will experience an even smaller acceleration.

What can you increase the strength of an electromagnet by

Which of the the following are examples of projectile motion of both projectile motion and two dimensional motion