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Lapatulllka [165]
4 years ago
14

A scientist wants to model an internal organ with connective tissue as a mass on a spring. The mass of the organ is 2.0 kg, and

its natural period of oscillation is 0.12s. What would be the spring constant for the spring in the scientist's model?
Physics
1 answer:
vichka [17]4 years ago
5 0

Answer:

Spring constant, k = 5483.11 N/m

Explanation:

It is given that,

Mass of the organ, m = 2 kg

The natural period of oscillation is, T = 0.12 s

Let k is the spring constant for the spring in the scientist's model. The period of oscillation is given by :

T=2\pi\sqrt{\dfrac{m}{k}}

k=\dfrac{4\pi^2 m}{T^2}

k=\dfrac{4\pi^2 \times 2\ kg}{(0.12\ s)^2}

k = 5483.11 N/m

So, the  spring constant for the spring in the scientist's model is 5483.11 N/m.

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Calculate the potential difference if 20J of energy are transferred by 8C of charge.
grin007 [14]
<h2>v = 2.5J/c</h2>

Explanation:

<h2>Given:</h2>

<h3>Energy = E = 20J</h3>

<h3>Charge = Q = 8C</h3>

<h2>Require :</h2>

___________

<h3>Potential Difference = V = ?</h3>

<h2>Formula :</h2>

____________

<h2>V = \frac{E}{Q}</h2>

<h2>Solution:</h2><h3>_________</h3>

<h2>V = \frac{20J}{8C}</h2>

<h3>V = 2.5V</h3>

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4 0
3 years ago
The notes produced by a tuba range in frequency from approximately 45 Hz to 375 Hz. Find the possible range of wavelengths in ai
taurus [48]

Answer:

The possible range of wavelengths in air produced by the instrument is 7.62 m and 0.914 m respectively.

Explanation:

Given that,

The notes produced by a tuba range in frequency from approximately 45 Hz to 375 Hz.

The speed of sound in air is 343 m/s.

To find,

The wavelength range for the corresponding frequency.

Solution,

The speed of sound is given by the following relation as :

v=f_1\lambda_1

Wavelength for f = 45 Hz is,

\lambda_1=\dfrac{v}{f_1}

\lambda_1=\dfrac{343}{45}=7.62\ m

Wavelength for f = 375 Hz is,

\lambda_2=\dfrac{v}{f_2}

\lambda_2=\dfrac{343}{375}=0.914\ m/s

So, the possible range of wavelengths in air produced by the instrument is 7.62 m and 0.914 m respectively.

6 0
4 years ago
A car has a speed of 12m/s. The mass of the car and its passengers is 1250 kg. What is the total momentum of the car/passengers?
Temka [501]

Answer:

15000kgm/s

Explanation:

Given parameters:

Speed of the car  = 12m/s

Mass of car and passengers = 1250Kg

Unknown:

Momentum of the car  = ?

Solution:

Momentum is the quantity of motion a body posses;

  Momentum  = mass x velocity

Now insert the given parameters and solve;

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5 0
3 years ago
The general electron configuration for atoms of the halogen group is
m_a_m_a [10]

Answer:

ns^2np^5

Explanation:

Halogen group:This group contains Cl,F,Br and I

There are 7 electrons in the outermost shell of each element of halogen family.

Each element of this family required one electron to fill their complete outermost shell.

We know that

F=9=1s^22s^22p^5

Cl=17=1s^22s^22p^63s^23p^5

Therefore, the general configuration for atoms of the halogen group is given by

ns^2np^5

8 0
4 years ago
 How do air sacs of birds help make body lighter
Natali5045456 [20]
They lower the average density of their body; because of the air it feels like a slight decrease in the weight.
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