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Vika [28.1K]
2 years ago
15

What is kinematics??? +_+​

Physics
2 answers:
Jlenok [28]2 years ago
4 0

Answer:

kinematics

the branch of mechanics concerned with the motion of objects without reference to the forces which cause the motion

Fiesta28 [93]2 years ago
3 0

Answer:

<em>the study of motion of a system of bodies without directly considering the forces or potential fields affecting the motion.</em>

<em>have a nice day</em><em> </em><em><</em><em>3</em>

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A weight of 30.0 N is suspended from a spring that has a force constant of 220 N/m. The system is undamped and is subjected to a
Nimfa-mama [501]

Answer:

F_0 = 393 N

Explanation:

As we know that amplitude of forced oscillation is given as

A = \frac{F_0}{ m(\omega^2 - \omega_0^2)}

here we know that natural frequency of the oscillation is given as

\omega_0 = \sqrt{\frac{k}{m}}

here mass of the object is given as

m = \frac{W}{g}

\omega_0 = \sqrt{\frac{220}{\frac{30}{9.81}}}

\omega_0 = 8.48 rad/s

angular frequency of applied force is given as

\omega = 2\pi f

\omega = 2\pi(10.5) = 65.97 rad/s

now we have

0.03 = \frac{F_0}{3.06(65.97^2 - 8.48^2)}

F_0 = 393 N

6 0
3 years ago
what is the average gravitational force of attraction between the earth and the sun? the earth averages a distance of about 150
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Answer:

B

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3 years ago
Math Exploration
Airida [17]

Question: What is the frequency of a wave that has a wave speed of 120 m/s and a wavelength of 0.40 m?

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Explanation: this might help for

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Yanka [14]

Photovoltaic cells are the most efficient means of converting solar energy to electricity. Option b is correct.

<h3>What is a cell?</h3>

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Concentrated sunlight improves the ratio of current generated while the device is lighted vs when it is dark, hence enhancing output voltage and efficiency.

Photovoltaic cells are the most efficient means of converting solar energy to electricity.

Hence, option b is correct.

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brainly.com/question/3142913

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8 0
2 years ago
Humans living in highly populated areas are more inclined to
Eduardwww [97]

Answer:

they're more inclined to be violent so A

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3 years ago
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