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12345 [234]
3 years ago
15

How much energy has 4×10^10m^3 of water collected in a reservoir at a hight of 100 m from the power house ?What kind of energy i

s that?
​
Physics
1 answer:
sveticcg [70]3 years ago
7 0

Answer:

PE = 3.92x10^16J

potential energy

Explanation:

PE = m*g*h

mass of water = 1000kg/m³

(4*10^10m³)*1000kg = 4*10^13kg

PE = (4*10^13kg)*(9.81m/s²)*(100m)

PE = 3.92x10^16J

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Is lateral shift or lateral displacement same ?
xxMikexx [17]

Answer:

When a ray of light passes through a glass slab of a certain thickness, the ray gets displaced or shifted from the original path. This is called lateral shift/displacement.

Explanation:

.

7 0
3 years ago
At what wavelength would a star radiate the greatest amount of energy if the star has a surface temperature of 60,000 K?
kompoz [17]

Answer:

\lambda=4.81\times 10^{-8}\ m

Explanation:

We have,

The surface temperature of the star is 60,000 K

It is required to find the wavelength of a star that radiated greatest amount of energy. Wein's displacement law gives the relation between wavelength and temperature such that :

\lambda T=2.89\times 10^{-3}

Here,

\lambda = wavelength

\lambda=\dfrac{2.89\times 10^{-3}}{60000}\\\\\lambda=4.81\times 10^{-8}\ m

So, the wavelength of the star is 4.81\times 10^{-8}\ m.

7 0
3 years ago
A tennis player's racket applies an average force of 200. newtons to a tennis ball for 0.025 second. The average force exerted o
Sever21 [200]

Answer:

200N

Explanation:

6 0
3 years ago
Identify where the solid would be found after distillation is complete.
dimaraw [331]

Bottom of the distillation flask

Explanation:

The solid in the mixture to be separate would be found at the bottom of the distillation flask.

Distillation is a separation technique for differentiating the components of mixtures based on the differences in their boiling points.

  • Distillation is used to recover solvents from solution.
  • The solutes are then left behind in the flask as the solvent boils out as vapor.
  • The solution is boiled in a distillation flask to vaporize the solvent.
  • The vapor is made to condense back into liquid by means of a condenser.
  • The pure liquid called distillate is collected in the receiver.
  • The solute which is the solid remains in the distillation flask

learn more:

Heterogeneous mixtures brainly.com/question/1446244

Pure substances brainly.com/question/1832352

#learnwithBrainly

8 0
3 years ago
Two angles are supplementary. The first angle measures 40°. What is the measurement of the second angle?
e-lub [12.9K]

Supplementary angles add up to 180°. 
If one is 40°, then the other is  (180° - 40°)  =  140° .

None of those choices describes a plane. 
Choice 'C' is the only example of a plane.

3 0
3 years ago
Read 2 more answers
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