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ElenaW [278]
2 years ago
6

Any Answer Would Be Appreciated

Physics
1 answer:
-Dominant- [34]2 years ago
3 0

Answer:

last one.Condution and convection are equzlly efficentmethods of heat transfer.

Explanation:

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Does a neutrally charged object even have a charge?
Roman55 [17]
“Charged objects have an imbalance of charge - either more negative electrons than positive protons or vice versa. And neutral objects have a balance of charge - equal numbers of protons and electrons. The principle stated earlier for atoms can be applied to objects. Objects with more electrons than protons are charged negatively; objects with fewer electrons than protons are charged positively.

In this discussion of electrically charged versus electrically neutral objects, the neutron has been neglected. Neutrons, being electrically neutral play no role in this unit. Their presence (or absence) will have no direct bearing upon whether an object is charged or uncharged. Their role in the atom is merely to provide stability to the nucleus.”

Hope this helps a bit.


!! (Credits to The Psychics Classroom) !!
8 0
3 years ago
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How should the distance, D, between two point charges, q1 and q2, be changed to double their electric potential energy
Licemer1 [7]

The electrostatic potential energy, U, of one point charge q at position d in the presence of an electric field E is defined as the negative of the work W done by the electrostatic force to bring it from the reference position d to that position

u \:  =  \:  \frac{kq1q2}{d}

Thus, to double the electric potential energy U we need to reduce the distance of separation by half (1/2) because they are inversely proportion

6 0
3 years ago
Using a hammer to drive a nail, it is the reaction force that brings the motion of the hammer to a stop but the _______________
ratelena [41]
Action force
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3 0
3 years ago
If you need 40.0 Nm of torque in order to loosen a nut on a wn
KonstantinChe [14]

Answer:

0.301 m

Explanation:

Torque = Force × Radius

τ = Fr

40.0 Nm = 133 N × r

r = 0.301 m

The mechanic must apply the force 0.301 m from the nut.

6 0
3 years ago
If the velocity of a runner changes from -2 m/s to -4 m/s over a period of time, the
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Answer:

It will be A. So since its 2 times more the kinetic energy. But then you have to square it 2^2 = 4

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3 years ago
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