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alisha [4.7K]
3 years ago
15

What is a conductor

Physics
2 answers:
Soloha48 [4]3 years ago
8 0

C. none of the above

An electrical conductor is a substance in which electrical charge carriers, usually electrons, move easily from atom to atom with the application of voltage. Conductivity, in general, is the capacity to transmit something, such as electricity or heat. ... Copper, steel, gold, aluminum, and brass are also good conductors.

Delicious77 [7]3 years ago
8 0

The answer is C. None of the above. Hope I helped and have a great day/night!!!!!!! ❤️

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It takes 6 sec for a stone to fall the the bottom of a mineshaft. calculate the
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Ok so this is simple projectile motion problem.

if we have an object falling in free fall it is subject to gravity of -9.80m/s^2

so it says it takes 6 sec to fall and we know initial velocity was zero so we know that h=vt+1/2gt^2 so we get h=0+1/2*9.80*6^2 = 176.4m 

so solving for final speed we get KE=PE = 1/2mv^2=mgh = 1/2v^2=gh so 
v=sqrt(2*g*h) = sqrt(2*9.8*176.4m) = 58.8m/s final speed when it hits the ground


hope this helps you! Thanks!!

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