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3 years ago

Explain sun or friction or fuel or electricity Explain any one of them

Physics

2 answers:

Sphinxa [80]3 years ago

5 0

Answer:

The Sun is a celestial body. It's a massive, spinning orb of heated gas that's glowing. The Sun is similar to the stars that may be seen in the night sky. The Sun is the centre of our Solar System, containing the majority of its mass. The Sun is the centre of our Solar System, and all of the planets, including Earth, revolve around it.

Explanation:

xxMikexx [17]3 years ago

3 0

Answer: hmm, i choose sun.

Explanation: The sun is the center of the solar system. It warms up planets and many other things. The main thing that makes the sun so important is warming US up, the planet earth.

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If a scuba diver fills his lungs to full capacity of 5.5 L when 10 m below the surface, to what volume would his lungs expand if

umka21 [38]

Answer:

The volume at the surface is 10.97 L.

Explanation:

Given that,

Volume = 5.5 L

Height = 10 m

Density of sea water= 1025 kg/m³

We need to calculate the pressure at that point

Using formula of pressure

$P'=P+\rho gh$

Put the value into the formula

$P'=1.01\times10^{5}+1025\times9.8\times10$

$P'=201450\ Pa$

We need to calculate the volume at the surface

Using equation of ideal gas

$PV= RT$

So, for both condition

$PV=P'V'$

Put the value into the formula

$V=\dfrac{201450\times5.5}{1.01\times10^{5}}$

$V=10.97\ L$

Hence, The volume at the surface is 10.97 L.

3 0

3 years ago

Read 2 more answers

Two particles with oppositely signed charges are held a fixed distance apart. The charges are equal in magnitude and they exert

damaskus [11]

Answer:

the force will decrease to 3/4 of its original value.

Explanation:

The initial electric force between the two charges is:

$F = k \frac{q\cdot q}{r^2}$

where

k is the Coulomb's constant

q is the magnitude of each charge

r is their separation

Later, half of one charge is transferred to the other charge; this means that one charge will have a charge of

$q+\frac{q}{2}=\frac{3}{2}q$

while the other charge will be

$q-\frac{q}{2}=\frac{q}{2}$

So, the new force will be

$F' = k \frac{(\frac{q}{2})\cdot (\frac{3}{2}q)}{r^2}=\frac{3}{4} (k\frac{q\cdot q}{r^2})=\frac{3}{4}F$

So, the force will decrease to 3/4 of its original value.

6 0

3 years ago

Water flows through a horizontal pipe. The diameter of the pipe at point b is larger than the diameter of the pipe at point a. W

Natalija [7]

The speed of the water is the greatest at point B

5 0

4 years ago

In what type of change is matter not destroyed

Margaret [11]

There are two types of change in matter: physical change and chemical change. ... This is called the Law of Conservation of Matter. It states that matter can never be created or destroyed, only changed and rearranged.

6 0

3 years ago

Read 2 more answers

What is the length of the X component of the vector plotted below

dlinn [17]

Answer:

Explanation:

If you straighten out the line, it touches the 5, which makes the length 5

3 0

3 years ago

Explain sun or friction or fuel or electricity Explain any one of them​

Explain sun or friction or fuel or electricity Explain any one of them