Which term describes the bending of a wave as it travels into a different

medium?

A. Reflection

B. Interference

C. Diffraction

D. Refraction

An archer aims an arrow and then pulls back on the bow string and bends the bow. which describes the relationship of potential and kinetic energy in this case? a.

A yo-yo is swung around the head of a person in a horizontal circle. What provides the centripetal force on the yo-yo?

What is the approximate weight of a 20-kg cannonball on earth? a. 2 n b. 20 n c. 200 n d. 2000 n?

Which of the following would not be taken into consideration when describing the quality of a sound? a. the number of the overtones in the sound b. the source producing the overtones in the sound c. the frequency of the overtones in the sound d.

What is the correct definition of momentum, p = Question 18 options:

If 2 grams of element X combine with 4 grams of element Y to form compound XY, how many grams of element Y would combine with 46 grams of X to form the same compound?

How do positive and negative charges interact with each other?

What is electricity

What happens to the density as one progresses through the layers of the earth from the lithosphere toward the inner core

What is tiny holes on the surface of a plant?