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3 years ago

Yesenia wants to bake cookies in her electric oven. The oven will transform electrical energy into ________ energy

Physics

2 answers:

Nitella [24]3 years ago

7 0

Answer: Heat energy

Explanation:

The oven will transform electric energy into heat energy. This transformation is due to the heating filament present in the oven. This filament get heated up due to the electric current passed through the oven through the aid of electricity (electric energy)

galina1969 [7]3 years ago

6 0

The answer is heat. The oven will transform electrical energy into heat energy. :)

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The weights in newtowns for the given masses are

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3 years ago

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mars1129 [50]

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3 years ago

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In a particular case of an object in front of a spherical mirror with a focal length of +12.0 cm, the magnification is +4.00.(a)

salantis [7]

Answer:

9 cm

-36 cm

Explanation:

u = Object distance

v = Image distance

f = Focal length = 12

m = Magnification = 4

$m=-\frac{v}{u}\\\Rightarrow 4=-\frac{v}{u}\\\Rightarrow v=-4u$

Lens equation

$\frac{1}{f}=\frac{1}{u}+\frac{1}{v}\\\Rightarrow \frac{1}{12}=\frac{1}{u}+\frac{1}{-4u}\\\Rightarrow \frac{1}{12}=\frac{3}{4u}\\\Rightarrow u=9\ cm$

Object distance is 9 cm

$v=-4\times 9=-36\ cm$

Image distance is -36 cm (other side of object)

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3 years ago

A neutral copper block is polarized as shown in the figure below, due to an electric field made by external charges (notshown).

Fudgin [204]

Answer:

As point B is located inside the copper block so net electric field at point B is j.

Explanation:

Consider the figure attached below. The net electric field at location B,that is inside the copper block is zero because when a conductor is charged or placed in an electric field of external charges, net charge lies on the surface of conductor and there is no electric field inside the conductor. As point B is located inside the copper block so net electric field at point B is zero as well direction of net electric field at point B is zero.

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3 years ago