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Sphinxa [80]
3 years ago
10

A barrel of oil is exactly 42 gal. how many liters of oil are in a barrel

Physics
1 answer:
Natali [406]3 years ago
6 0
The conversion from gallons to liters is 1 = 3.785.

Keeping this in mind...

42 x 3.785 = 158.97 liters.

If rounding, there are about 159 liters of oil in a barrel.
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Two unknown resistors are connected together. When they are connected in series their equivalent resistance is 15 Ω. When they a
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Explanation:

Let x and y are two unknown resistors. When they are connected in series their equivalent resistance is 15 Ω. When they are connected in parallel, their equivalent resistance is 3.3 Ω.

For series combination,

x+y=15 ......(1)

For parallel combination,

\dfrac{1}{x}+\dfrac{1}{y}=3.3 ....(2)

We need to find the resistances of these resistors. Solving equation (1) and (2) we get :

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Hence, the resistances of these resistors are 0.29 ohms and 14.7 ohms.

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Explanation:

Sorry if I got this wrong, hope this helped and have a nice day!

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2 years ago
two charges experience exert a force of 1n on each other when they are 1m apart. what force will these charges experience if the
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The force experienced by the charges when they are placed 2 m apart will be 0.25 N.

The force between two charges is given by Coulomb’s Law.

According to this law, the force between two charges varies inversely as the square of the distance between the charges and is directly proportional to the product of the magnitude of the two charges.

The above statement is represented by the following equation,

F= K Q1 x Q2/r^2

Here, F = Force between the two charges

K = Constant

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r = Separation between the two charges

According to this equation, the force is inversely proportional to the square of the distance between two charges.

Initially, when the two charges are 1 m apart, the force is 1 N.

When the distance between the two charges is doubled,

then according to Coulomb’s Law, the force should decrease by 4 times.

Hence, if the charges are placed 2 meters apart,  the force becomes 1/4= 0.25 N.

To know more about "Coulomb's Law", refer to the following link:

brainly.com/question/9261306?referrer=searchResults

#SPJ4

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Answer:

A

Explanation:

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