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3 years ago

Explain why the energy in the sun moves out toward the surface

Physics

1 answer:

IgorLugansk [536]3 years ago

5 0

energy moves through the sun in two main way, Radiation and Convection.

Explanation:

as the energy moves outward from the sun's core, 1st enters rhe radiation zone. the radiation zone is a region of highly compressed gas. here the energy is transferred by the absorption and irradiation of electromagnetic waves

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A mountain-climber friend with a mass of 74 kg ponders the idea of attaching a helium-filled balloon to himself to effectively r

bazaltina [42]

Answer:

$V=16.65 m^3$

Explanation:

The volume of the balloon can be find compared the force in each cases so:

reduce 25% from 74kg

$R=\frac{25}{100}*74kg=18.5kg$

So the net force uproad on the balloon is

$F_b=18.5kg*g$

Now the density of the both gases air and helium are different however the volume is the same change offcorss the mass so:

$P_h=\frac{m}{V}=0.179 kg/m^3$

$P_A=1.29 kg/m^3$

$F_b=F_A-F_H$

$F_b=m_a*g-m_h*g$

$m=P/V$

$18.5kg*g=(1.29kg/m^3-0.179kg/m^3*)V*g$

$V=\frac{18.5kg}{(1.29-0.179)kg/m^3}$

$V=16.65 m^3$

4 0

2 years ago

5. A 1.2 m guitar string is under a tension of 888 N. The waves produced on the string (when

Usimov [2.4K]

I don’t even know tbh

4 0

2 years ago

Determine the net work a hiker must do on a 3.35-kg backpack to carry it up a

Sphinxa [80]

Answer:

410.4J

Explanation:

Step one:

given

mass= 3.35kg

weight= 3.35*9.81= 32.86N

h=12.49m

Required

The net work done

Step two:

the work done is given as

WD= force* distance

WD= 32.86*12.49

WD= 410.4J

8 0

2 years ago

An athelete runs some distance before taking a long jump because : give answer

insens350 [35]

Hi Pupil Here's your answer ::

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An Athelete run some distance before taking a long jump because by running the Athelete gives himself larger inertia of motion.

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Hope this helps .....

3 0

3 years ago

Looters break a statue into pieces. how do you expect the weathering of pieces of rock to change

Naya [18.7K]

This definitely has to do with erosion. We can expect that the statue will weather faster because of more surface area.I hope this is what you were looking for

7 0

3 years ago