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natta225 [31]
3 years ago
8

Which statement is true?

Physics
2 answers:
maw [93]3 years ago
5 0
Hello,


I believe that the answer is <span>A) Geothermal power plants use the renewable resource of heat from within the Earth to generate electricity.


I truely hope this helps.</span>
ludmilkaskok [199]3 years ago
3 0

Answer: A). Geothermal power plants use the renewable resource of heat from within the Earth to generate electricity.

Explanation:

Geothermal energy is the energy which is obtain in the form of heat liberated from water released from the earth geosphere. The hot mantle causes the boiling of the groundwater which is liberated from the hot spring. It is a renewable source of energy which means it is obtained from resource which can be replenished and can be used again. This energy is used to generate electricity.

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12.
N76 [4]
I think it is D. Brownies are harder to bake than cupcakes. an example of an objective statement is why a company is hiring for that certain job. let me know if this is correct!
Hope this helped
5 0
3 years ago
Read 2 more answers
According to the nebular theory, what early event eventually led to the formation of our solar system?​
qaws [65]

Answer:Solar system formed about 4.6 billion year ago, when gravity pulled together low-density cloud of interstellar gas and dust (called a nebula)(movie). The Orion Nebula, an interstellar cloud in which star systems and possibly planets are forming. Initially the cloud was about several light years across.

Explanation:

4 0
3 years ago
Neptunium. In the fall of 2002, scientists at Los Alamos National Laboratory determined that the critical mass of neptunium-237
Paladinen [302]

Answer:

Radius = 9.0216 cm

Explanation:

Given that:

The critical mass of neptunium-237 = 60 kg

Also, 1 kg = 1000 g

So mass = 60000 g

Density = 19.5 g/cm³

Volume = ?

So, volume:  

Volume=\frac {{Mass}}{Density}  

Volume=\frac {60000\ g}{19.5\ g/cm^3}  

The volume of the material = 3076.92308 cm³

The expression for the volume of the sphere is:

V=\frac {4}{3}\times \pi\times {(radius)}^3

3076.92308=\frac{4}{3}\times \frac{22}{7}\times {(radius)}^3

\frac{4}{3}\times \frac{22}{7}\times {(radius)}^3=3076.92308

88\times {(radius)}^3=64615.38468

{(radius)}=\sqrt[3]{\frac{64615.38468}{88}}

<u>Radius = 9.0216 cm</u>

4 0
4 years ago
A golfer takes three putts to get the ball into the hole. The first putt displaces the ball 3.32 m north, the second 1.57 m sout
bixtya [17]

Answer:

The answer to the question is

The magnitude of the displacement needed to get the ball into the hole in just one putt is 1.746m in the direction of 23.41° north east

Explanation:

With trigonometric relation and the attached diagram we have

From the diagram the location of the hole is 3.32m- (1.57 cos45 +0.78co45)m North and

1.57sin 45 – 0.78 sin 45 meters west

1.658m north and

0.55m east

Thus the direction of the hole is 26.41 degrees  

North east

The magbitude of the displacement is  displacement is gotten from the relation diplacement of x and y =√(x²+y²)

\sqrt{1.658^{2} +0.55^{2}  } = 1.746 m∠26.41°

3 0
3 years ago
67. The formula to calculate a rate is r =
Over [174]

Answer:

a) d = r *t

Explanation:

The equivalent formula for calculating rate is given as:

                 d = r *t

Where d is the amount of substance, r is the rate and t is the time taken.

The rate of process is the amount or quantity attained per unit of time.

It is usually expressed as;

           r  = \frac{d}{t}

So, the other variant will be d = r *t

4 0
3 years ago
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