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Leya [2.2K]
3 years ago
6

Which elements could be used to make a magnet?

Physics
2 answers:
Arada [10]3 years ago
6 0

Answer:

iron nickel and cobalt

Explanation: hope this helped

astraxan [27]3 years ago
6 0

Answer:

Materials that can be polarized, which are likewise the ones that are emphatically pulled in to a magnet, are called ferromagnetic (or ferromagnetic). These incorporate the components iron, nickel, and cobalt, and their amalgams, some combinations of uncommon earth metals, and some normally happening minerals, for example, lodestone.

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A motorcycle is travelling at a constant velocity of 90 km/h (no acceleration). How many
Mazyrski [523]
2km*1000=2000m
S=ut+1/2at^2
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t=2000/90
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8 0
3 years ago
A piece of aluminum with a mass of 3.05 g initially at a temperature of 10.8 °C is heated to a temperature of 20.
fgiga [73]

Answer:

25.3J

Explanation:

Given parameters:

Mass of aluminum  = 3.05g

Initial temperature  = 10.8 °C

Final temperature  = 20 °C

Specific heat  = 0.9J/g °C

Unknown:

Amount of heat needed for the temperature to change  = ?

Solution:

To solve this problem, we use the expression:

       H  = m C Ф  

H is the amount of heat

m is the mass

C is the specific heat capacity

Ф is the change in temperature

     H  = 3.05 x 0.901 x (20 - 10.8) = 25.3J

7 0
3 years ago
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Sveta_85 [38]

Answer:

A. "The electric force vector is along the direction of the electric field, whereas the magnetic force vector is perpendicular to the magnetic field."

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Explanation:

Electric fields originate from voltage differences, the higher the voltage, the stronger the resulting field. Magnetic fields originate from electric currents, a stronger current results in a stronger field. An electric field exists even if there is no current. When there is current, the magnitude of the magnetic field will change with power consumption, but the strength of the electric field will remain the same.

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3 years ago
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