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zloy xaker [14]
3 years ago
13

Is sound potential or kinetic energy

Physics
1 answer:
qwelly [4]3 years ago
3 0

Answer:

Sound energy (that is, mechanical vibrational waves passing through an elastic medium) is a combination of kinetic and potential energies. As the wave compresses the medium (storing elastic potential energy) the medium comes to rest (no motion so no kinetic energy).

Explanation:

Hope this helps :D

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Describe the difference between renewable and nonrenewable resources. Give at least two advantages and two disadvantages of each
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Answer: (A), (C), and (E)

Explanation:

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3 years ago
A satellite revolves around a planet at an altitude equal to the radius of the planet. the force of gravitational interaction be
padilas [110]
Let
M = the mass of the planet
n = the mass of the satellite.
r = the radius of the planet

When the satellite is at a distance r from the surface of the planet, the distance between the centers of the two masses is 2r.
The gravitational force between them is
f_{0} = \frac{GMm}{(2r)^{2}} = \frac{1}{4} ( \frac{GMm}{r^{2}} )
where
G =  the gravitational constant.

When the satellite is on the surface of the planet, the distance between the two masses is r.
The gravitational force between them is
f_{4} =   \frac{GMm}{r^{2}} =4f_{0}

Answer:  f_{4} = 4f_{0}

5 0
4 years ago
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What is the effect that distance has on gravity?
IgorLugansk [536]
The forces of gravity between two objects are smaller when the objects are farther apart.
3 0
3 years ago
16 grams of ice at –32°C is to be changed to steam at 182°C. The entire process requires _____ cal. Round your answer to the nea
ICE Princess25 [194]

Answer:

12432 cal.

Explanation:

The process to change ice at -32 ºC to steam at 182 ºC can be divided into 5 steps:

1. Heat the ice to 0 ºC, which is the fusion temperature.

2. Melt the ice (obtaining liquid water), which is a process at constant pressure and temperature, so the liquid obtained is also at 0ºC.

3. Heat the liquid water from 0 ºC to 100 ºC, which is the vaporization normal temperature of the water.

4. Vaporization of all the water; this is also a process that occurs at constant pressure and temperature, so the produced steam will be at 100ºC.

5. Heat the steam from 100 ºC to 182 ºC.

Each process has a required energy, and the sum of the energy required for each and all of the steps is the total amount of energy required for the whole process:

E_T=E_1+E_2+E_3+E_4+E_5

E_1 is a heating process for the ice, so we know that the energy required is proportional to the temperature difference through the specific heat:

E_1=m*Cp_{sol}*(T_2-T_1)\\E_1=16g*0.5\frac{cal}{gC}*(0-(-32))=256cal

E_2 is a phase change process, so we do not use the specific heat (sensible heat), but the fusion heat (latent heat), so:

E_{2}=m*dh_{f}={16g*80\frac{cal}{g}}=1280cal

Analogously,

E_3=m*Cp_{liq}*(T_3-T_2)=16g*1.00\frac{cal}{gC}*(100-0)C = 1600 cal

E_{4}=m*{dh_{vap}}\\\\E_4=16g*540\frac{cal}{g} =8640cal

E_{5}=m*Cp_{vap}*(T_{5}-T_{4})\\E_{5}={16g*0.5\frac{cal}{gK}*(182-100)K}=656cal

Finally, the total energy required is:

E_T=256cal+1280cal+1600cal+8640cal+656cal\\E_T=12432cal

8 0
3 years ago
Darren filled ocean water, fresh water, bottled water, and tap water into four different containers. He then dropped identical g
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I would say container 1
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3 years ago
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