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gogolik [260]
3 years ago
15

Can someone help me :(

Physics
1 answer:
stiks02 [169]3 years ago
5 0
Stored water is gravitational potential energy
Power lines is electrical energy
Turbine is mechanical energy
The 2nd box is kinetic energy

Hope this helps

Have a great day/night
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What is the average speed of an object that travels 50 meters in 2 seconds? Select one: a. 100 m/s b. 25 m/s c. 50 m/s d. 2 m/s
AURORKA [14]

Answer:

Average speed, v = 25 m/s

Explanation:

It is given that,

Distance travelled by the object, d = 50 meters

Time taken, t = 2 seconds

Average speed is defined as the total distance divided by total time taken i.e.

v=\dfrac{d}{t}

v=\dfrac{50\ m}{2\ s}

v = 25 m/s

So, the sped of the object is 25 m/s. Hence, this is the required solution.

8 0
3 years ago
why was it intresting that democritus came up with atomism given that he was a materialist philosopher
enyata [817]

Answer:

Democritus was the first person to say that everything is made of Atoms, a very long time ago

Hope I was helpful

Explanation:

7 0
3 years ago
A parallel-plate capacitor is made from two aluminum-foil sheets, each 3.0 cm wide and 5.00 m long. Between the sheets is a mica
Evgen [1.6K]

This question is incomplete, the complete question is;

A parallel-plate capacitor is made from two aluminum-foil sheets, each 3.0 cm wide and 5.00 m long. Between the sheets is a mica strip of the same width and length that is 0.0225 mm thick. What is the maximum charge?

(The dielectric constant of mica is 5.4, and its dielectric strength is 1.00×10⁸ V/m)

Answer: the maximum charge q is 716.85 μF

Explanation:

Given data;

with = 3.0 cm = 0.03

breathe = 5.0 m

Area = 0.03 × 5 = 0.15 m²

dielectric strength E = 1.00 × 10⁸

∈₀ = 8.85 × 10⁻¹²

constant K = 5.4

maximum charge = ?

the capacitor C = KA∈₀ / d

q = cv so c = q/v

now

q/v = KA∈₀ / d

q =  vKA∈₀/d = EKA∈₀

we substitute

q = (1.00 × 10⁸) × 5.4 × 0.15 ×  8.85 × 10⁻¹²    

q = 716.85 × 10⁻⁶ F

q = 716.85 μF

the maximum charge q is 716.85 μF

7 0
3 years ago
Which star has the highest surface temperature?
lesya [120]

Answer:

white star

Explanation:

because it is the hottest form of a star

7 0
3 years ago
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What are possible units of speed and velocity
beks73 [17]
Posiible units of speed and velocity aare miles per hour
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3 years ago
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