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Dmitrij [34]
3 years ago
5

A compass is a magnet and Earth is a magnet. How does the magnetism of a compass work with the

Physics
1 answer:
Doss [256]3 years ago
7 0
The compass magnet aligns itself with the earths magnetic field.
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The Sun is essential to life on earth. Which of the statements is not true about the Sun's importance to life on the earth?
MakcuM [25]
I think that the answer is B that the sun (DOES NOT) support  the processes of plate tectonics
3 0
3 years ago
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Which statement is true of AC current?. Select one of the options below as your answer:. . A.. It uses a battery as a power sour
Nonamiya [84]
<span>The answer is B. It can be converted from high to low voltage and vice versa using transformers. That is why high voltages (tens or hundreds of kilovolts) is used to efficiently transfer electricity for large distances and then converted to 110-240V.

The answer can also be derived by elimination. [A] is not right because battery provides only Direct Current (DC). [C] is not right because high voltages are used for AC (from 110V to hundreds of kilovolts). [D] is not right because as the name Alternating Current suggests, the current is alternating in its direction. [E] is not right because DC was the first type of current invented.</span>
8 0
2 years ago
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What is the velocity of a wave with a wavelength of 9 meters and a period of 0.006
Ipatiy [6.2K]

Answer: 1,500m/s

Explanation:

Relationship existing between velocity of a wave (v), wavelength(¶) and frequency(f) is

v = f¶... (1)

Since Frequency (f) is the reciprocal of the period (T);

Frequency = 1/Period i.e F = 1/T... (2)

Substituting equation 2 into 1 we have;

v = 1/T × ¶

v = ¶/T

Given wavelength ¶ = 9m

Period T = 0.006s

v = 9/0.006

v = 1,500m/s

The velocity of the wave will be 1,500m/s

8 0
2 years ago
The sum of the potential energy and the kinetic energy of an object is its thermal energy. _______________ *
Law Incorporation [45]

Answer:

false

Explanation:

8 0
3 years ago
What is solar energy I need lots of detail
Whitepunk [10]
Solar energy is that energy remaining from the sun that we store in solar panels. This energy is produced because of its nucleus.
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3 years ago
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