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hodyreva [135]
3 years ago
12

Which of the following is an example of projectile motion?

Physics
2 answers:
gtnhenbr [62]3 years ago
7 0
Either b or c. Probably c though
spayn [35]3 years ago
5 0
A football in flight during a field goal
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What are the main ideas of physical science
Mademuasel [1]
Hysical science is defined as the study of observable phenomena in the universe. 

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<span>this method states: </span>

<span>observe a "real" ( not imaginary ) phenomena. </span>

<span>make a hypothesis ( or theory / idea ) that EXPLAINS this phenomena. </span>

<span>conduct a real experiment to test this hyothesis. </span>

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3 0
2 years ago
FM radio ________________. a. had a somewhat shorter range than AM radio, but better sound quality. b. was widely adopted in the
svetlana [45]

Answer:

(A) FM Radio had a somewhat shorter ranger than AM radio, but better sound quality.

Explanation:

FM Radio was invented in 1933 by Edwin Armstrong who was an American engineer. FM stands for frequency modulation and AM stands for Amplitude Modulation.

FM is used for most broadcasts of music and FM radio stations use a very high-frequency range of radio frequencies.

In FM Radio, the sound is transmitted through changes in frequency. Both FM and AM radio signals experience frequent change in amplitude, they are far less noticeable on FM.

When switching between stations, FM antenna is alternating between different frequencies, and not amplitudes and this produces a much clearer sound and allows for smoother transitions with little to no audible static.

FM signals can be interfered by barriers and this could affect the signal strength. FM Radio signals are more clearer in a mountainous area that has no barrier.

AM radio was able to carry signals farther than AM radio.

6 0
3 years ago
You grab a hot cookie sheet out of the oven this is an example of ______ energy transfer.
Maru [420]
I would say Conduction because you are touching the cookie sheet, even though it is hot (so heat) you are physically touching it so it would not be radiation
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3 years ago
Fernanda is working on a physics project. she is experimenting by rolling a marble down a ramp and then seeing how far it rolls
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The distance covered on the floor after leaving the ramp is the dependent variable.

  • As a result of the marble's size, the substance it is constructed of, and the angle at which it is placed onto the ground, the distance it rolls varies.
  • Therefore, the angle at which the marble is released onto the ground, the type of material used to make the stone, or its size can all be considered independent variables.
<h3>What is Independent variable?</h3>
  • There are independent and dependent variables in every experiment.
  • A variable is considered independent if its change is not influenced by the change in another variable or factor.
<h3>What is Dependent variable?</h3>

In any experiment, the dependent variable must be measured or determined, and it must change as the independent variable does.

Learn more about independent and dependent variable here:

brainly.com/question/1479694

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5 0
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