All the matter, mass, and time that exists and has ever existed is contained in which of the following?

the sun

the planets

the universe

the milky way

If the action force is a player kicking a soccer ball, then what is the reaction force?

What will occur when the trough of Wave A overlaps the trough of Wave B? A: Destructive interference will occur, causing the new wave to have more energy than Wave A or Wave B.

The heaviest wild lion ever measured had a mass of 313 kg. Suppose this lion is walking by a lake when it sees an empty boat floating at rest near the shore. The curious lion jumps into the boat with a speed of 6.

What color do you see when all colors of light are reflected

A hunter fires a gun and hears an echo from a cliff face 5 s later. He knows the cliff is 850 m away. How fast is the sound travelling where the hunter is

Molecules at room temperature move freely. What happens to the molecules when heat is removed until it freezes? Molecules group together Molecules slow down and contract Molecules speed up and expand Molecules move freely

A spring is used in a lab. It is vibrated at different frequencies and the wavelength is recorded. Using the graph of the data, what is the relationship found between frequency and wavelength? A) Frequency and wavelength are inversely related.

How do you describe the frequency of waves perceived by the observer from the moment the source appears to the moment it disappears?

What causes the stars to appear to move across the night sky?

Two waves collide and the temporary combined waves that results is smaller that the original wave. which term describes this interaction? A. destructive interference B. standing wave formation C. diffraction D. constructive interference