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3 years ago

14

an electric current 0.75 a passes through a circuit that has a resistance of 175. according to ohm's law, what is the voltage of

the circuit

1 answer:

Aleksandr [31]3 years ago

8 0

Answer:

131.25

Explanation:

i worked it out on a diffrent sheet so its hard to explain

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If a force of 25 N is applied to an object with a mass of 8 kg, the object will accelerate at

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3 years ago

How do you solve this???

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3 years ago

The potential energy for a certain mass moving in one dimension is given by U(x)=(2.0J/m3)x3−(15J/m2)x2+(36J/m)x−23JU(x)=(2.0J/m

Angelina_Jolie [31]

Answer:x=2 and x=3

Explanation:

Given

Potential Energy for a certain mass is

$U(x)=2x^3-15x^2+36x-23$

and we know force is given by

$F=-\frac{\mathrm{d} U}{\mathrm{d} x}$

$F=-(2\times 3x^2-15\times 2x+36)$

For Force to be zero F=0

$\Rightarrow 6x^2-30x+36=0$

$\Rightarrow x^2-5x+6=0$

$\Rightarrow x^2-2x-3x+6=0$

$\Rightarrow (x-2)(x-3)=0$

Therefore at x=2 and x=3 Force on particle is zero.

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3 years ago