Answer:
A
Explanation:
that should be the answer
The cause of the beats is that t<span>he two waves produced have different frequencies. The frequencies will result to the different energy to be emitted causing it to have beats or sound. The higher the frequency, the higher the pitch and vice versa.</span>
Why would we assume that Earth is the center of the the Universe in the first place?
Besides the fact the Earth contains life, it is no different from any other planet that we have ever seen, nor is the solar system in which it resides. There is no reason in the first place to assume its placement in the universe is different either.
Answer:
Forces affect how objects move. They may cause motion; they may also slow, stop, or change the direction of motion of an object that is already moving. Since force cause changes in the speed or direction of an object, we can say that forces cause changes in velocity. Remember that acceleration is a change in velocity.
Explanation: