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daser333 [38]
3 years ago
6

What are 2 types of force fields

Physics
1 answer:
Serjik [45]3 years ago
6 0
Gravitational force and normal force
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The term ampacity is defined as the _____ current, in amperes, that a conductor can carry continuously under conditions of use w
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The maximum current, in amperes, that a conductor can carry continuously under the conditions of abuse without exceeding its temperature rating.

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What is the mass of a car that has a kinetic energy if 4,320,000 J moving at 23 m/s?
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Answer:

kinetic energy=1/2mv^2.

which is 4320000=1/2×m×23^2.

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4320000=264.5m.

m=4320000/264.5.

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3 years ago
A 10 kg ball is held above a building with a height of 30 m. What is the
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Answer: 2940 J

Explanation: solution attached:

PE= mgh

Substitute the values:

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3 years ago
Two long, parallel wires separated by 2.00 cm carry currents in opposite directions. The current in one wire is 1.75 A, and the
Natasha_Volkova [10]

The force per unit length between the two wires is 6.0\cdot 10^{-5} N/m

Explanation:

The magnitude of the force per unit length exerted between two current-carrying wires is given by

\frac{F}{L}=\frac{\mu_0 I_1 I_2}{2\pi r}

where

\mu_0 = 4\pi \cdot 10^{-7} Tm/A is the vacuum permeability

I_1, I_2 are the currents in the two wires

r is the separation between the two wires

For the wires in this problem, we have

I_1 = 1.75 A

I_2 = 3.45 A

r = 2.00 cm = 0.02 m

Substituting into the equation, we find

\frac{F}{L}=\frac{(4\pi \cdot 10^{-7})(1.75)(3.45)}{2\pi (0.02)}=6.0\cdot 10^{-5} N/m

Learn more about current and magnetic fields:

brainly.com/question/4438943

brainly.com/question/10597501

brainly.com/question/12246020

brainly.com/question/3874443

brainly.com/question/4240735

#LearnwithBrainly

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3 years ago
Select the correct answer.
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Answer:

B is the best answer for the question

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3 years ago
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