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meriva
3 years ago
11

30 points for most Brainiest!!!

Physics
1 answer:
bearhunter [10]3 years ago
8 0

Answer:

Mechanical waves are defined by which of the following?

C. All of the above

Since, mechanical waves are created when an energy source vibrates, and they carry energy from one place to another through a medium, this is the right option.

Mechanical waves need an energy source to produce them?

True because a mechanical wave needs an initial energy input.

A wave has a wavelength of 100 mm and a frequency of 6 Hz. What is its speed?

600 mm/s

Wave speed = wavelength X frequency

Wave speed = 100 X 6

Wave speed = 600 mm/s

Amplitude of a wave is?

B. How high the wave is from resting point

By definition of amplitude.

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Physics, or the study of matter, energy, and the interactions between them, helps us to understand the laws and rules that govern the physical world. Not every student will grow up and study physics on a deeper level, but everyone uses basic physics concepts to navigate everyday life.A

Physics is a natural science that involves the study of matter and its motion through space and time, along with related concepts such as energy and force. More broadly, it is the study of nature in an attempt to understand how the universe behaves.Physics helps you to understand the world around you, and satisfy your curiosity. Studying physics develops your critical thinking and problem-solving skills. Physicists are versatile, which opens a wide range of future careers.

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3 years ago
What's the distance over which a wave's shape repeats
gulaghasi [49]
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4 years ago
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What is the total current for the parallel circuit?​
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Answer:

\huge\boxed{\sf Current = 6\ Ampere}

Explanation:

<u>In a parallel circuit, Total resistance is:</u>

\displaystyle \frac{1}{R_T} =\frac{1}{R_1} +\frac{1}{R_2}

Where R_1 = 6Ω and R_2 = 12Ω

<h3><u>Finding </u>R_T\\<u>:</u></h3>

\displaystyle \frac{1}{R_T} =\frac{1}{6} +\frac{1}{12} \\\\\frac{1}{R_T} =\frac{1 \times 2+1}{12} \\\\\frac{1}{R_T} =\frac{3}{12} \\\\\frac{R_T}{1} = \frac{12}{3} \\\\\boxed{R_T=4 \ Ohm}

<h3><u>Finding current:</u></h3>

<u>We know that:</u>

<h3>V = IR (Ohm's Law)</h3>

V = 24 V, R = 4 Ω (V given, R found)

24 = I(4)

Divide 4 to both sides

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\rule[225]{225}{2}

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