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arsen [322]
3 years ago
9

Give an example of an energy conversion that produces an unwanted form of energy.

Physics
1 answer:
Anna007 [38]3 years ago
5 0
An example of an energy conversion that produces an unwanted form of energy is mixing acids with water. For example adding concentrated sulfuric acid with water that generates too much heat and must be controlled in systems that use this step of addition.
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On what principle does a bottle opener work
Genrish500 [490]

Answer:

Bottle opener works on a fulcrum.

Explanation:

A bottle opener is a second-class lever because the pivot point is at one end of the opener and the load is in the middle.

4 0
3 years ago
If the charge remains the same but the radius of the sphere is doubled, the electric flux coming out of it will be
il63 [147K]

Answer:

Explanation:

We shall apply Gauss's theorem for electric flux to solve the problem . According to this theorem , total electric flux coming out of a charge q can be given by the following relation .

∫ E ds = q / ε

Here q is assumed to be enclosed in a closed surface , E is electric intensity on the surface so

∫ E ds represents total electric flux passing through the closed surface due to charge q enclosed in the surface .

This also represents total flux coming out of the charge q on all sides .

This is equal to q / ε where ε is a constant called permittivity  which depends upon the medium enclosing the charge . For air , its value is 8.85 x 10⁻¹² .

If charge remains the same but radius of the sphere enclosing the charge is doubled , the flux coming out of charge will remain the same .

It is so because flux coming out of charge q is q / ε . It does not depend upon surface area enclosing the charge . It depends upon two factors

1 ) charge q and

2 ) the permittivity of medium  ε  around .

4 0
3 years ago
A car cruises at a constant rate of 50 miles per hour. How much time will it take to go 600 miles?
Len [333]
Speed is constant. 50 miles = 1 hour. 600/50 = 12. 1hr(12) = 12 hours.
7 0
3 years ago
Can someone answer pls??​
SCORPION-xisa [38]

Answer:

2. the volume of the square are the same

7 0
2 years ago
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Which planet has the most gravity and why
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heya mate

the planet Jupiter has most gravity due to its size

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3 years ago
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