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erastovalidia [21]
3 years ago
15

Think about the electricity sent to your home from a power plant. How does the voltage of the electricity that leaves the plant

compare to the
voltage of the electricity as it enters your home?
OA low voltage to high voltage
B. low voltage to low voltage
C. high voltage to low voltage
D. high voltage to high voltage
Physics
1 answer:
tatiyna3 years ago
6 0
C. High voltage to low voltage
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algol13

Answer:

He needs 1.53 seconds to stop the car.

Explanation:

Let the mass of the car is 1500 kg

Speed of the car, v = 20.5 m/s

He will not push the car with a force greater than, F=2\times 10^4\ N

The impulse delivered to the object is given by the change in momentum as :

F\times t=mv\\\\t=\dfrac{mv}{F}\\\\t=\dfrac{1500\times 20.5}{2\times 10^4}\\\\t=1.53\ s

So, he needs 1.53 seconds to stop the car. Hence, this is the required solution.

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Please help I’m so confused
Ilya [14]

<em>1.wavelength</em>

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3 years ago
Jane climbs the stairs to the first floor all by herself in a certain time. If the next time she rides the elevator to the first
hodyreva [135]

Answer:

the power in both cases is the same.

Explanation:

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3 0
3 years ago
We observe that a small sample of material placed in a non-uniform magnetic field accelerates toward a region of stronger field.
Aleksandr [31]

Answer:

<em>C) It is either ferromagnetic or paramagnetic</em>

Explanation:

The complete question is given below

We observe that a small sample of material placed in a non-uniform magnetic field accelerates toward a region of stronger field. What can we say about the material?

A) It must be ferromagnetic.

B) It must be paramagnetic.

C) It is either ferromagnetic or paramagnetic.

D) It must be diamagnetic.

A ferromagnetic material will respond towards a magnetic field. They are those materials that are attracted to a magnet. Ferromagnetism is associated with our everyday magnets and is the strongest form of magnetism in nature. Iron and its alloys is very good example of a material that readily demonstrate ferromagnetism.

Paramagnetic materials are weakly attracted to an externally applied magnetic field. They usually accelerate towards an electric field, and form internal induced magnetic field in the direction of the external magnetic field.

The difference is that ferromagnetic materials can retain their magnetization when the externally applied magnetic field is removed, unlike paramagnetic materials that do not retain their magnetization.

In contrast, a diamagnetic material is repelled away from an externally applied magnetic field.

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Oil _____.
timurjin [86]
Oil is made from buried remains of plants and animals.
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