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olchik [2.2K]
3 years ago
11

Please help me with this.

Physics
1 answer:
GenaCL600 [577]3 years ago
5 0
I think the answer would be d hope your successful
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Air pollution comes from _____.
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Human industrialization, because without greenhouse gases the planet would be less warm

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4 years ago
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Use Coulomb’s law to derive the dimension for the permittivity of free space. <br><br><br><br>​
MrRa [10]

Answer:

Coulomb's law is:

F = \frac{1}{4*pi*e0} *(q1*q2)/r^2

First, force has units of Newtons, the charges have units of Coulombs, and r, the distance, has units of meters, then, working only with the units we have:

N = (1/{e0})*C^2/m^2

then we have:

{e0} = C^2/(m^2*N)

And we know that N = kg*m/s^2

then the dimensions of e0 are:

{e0} = C^2*s^2/(m^3)

(current square per time square over cubed distance)

And knowing that a Faraday is:

F = C^2*S^2/m^2

The units of e0 are:

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7 0
3 years ago
What is the kinetic energy of a cat running 5 m/s
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The cat's kinetic energy is

                   (1/2) x (the cat's mass in kg) x (25 m²/sec²).

The unit is [joules] .

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3 years ago
1.) if the total momentum for a system is the same before and after the collision, we say that momentum is conserved. if momentu
gogolik [260]

From the law of the conservation of energy;  the ratio of the total kinetic energy after the collision to the total kinetic energy before the collision must be 1.

<h3>What is momentum?</h3>

The term momentum is the product of mass and velocity. The principle of conservation of linear momentum states that total momentum before collision must be the same as the total momentum after collision thus the  ratio of the total momentum after the collision to the total momentum before the collision must be 1.

Also, from the law of the conservation of energy;  the ratio of the total kinetic energy after the collision to the total kinetic energy before the collision must be 1.

Learn more about momentum:brainly.com/question/24030570

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2 years ago
A charge of 240C flows through a wire in 3 minutes. Find the electric current flowing through it.
o-na [289]
<h3>♫ - - - - - - - - - - - - - - - ~Hello There!~ - - - - - - - - - - - - - - - ♫</h3>

➷ Use this equation:

Q = IT

Rearrange for I

I = Q/T

Substitute in the values:

I = 240/3

I = 80

The electric current is 80 amps.

<h3><u>✽</u></h3>

➶ Hope This Helps You!

➶ Good Luck (:

➶ Have A Great Day ^-^

↬ ʜᴀɴɴᴀʜ ♡

7 0
3 years ago
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