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Liula [17]
3 years ago
11

What happens if you reverse the orientation of the permanent magnet? why?

Physics
1 answer:
belka [17]3 years ago
7 0
If one reverse the orientation of a permanent magnet ITS MAGNETIZATION WILL BE PERMANENTLY REVERSED. This is because, the magnetic domains inside the permanent magnet aligned with the new applied field and increase with it while those domains that are anti aligned with that field will shrink.
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An element would be the type of substance that only contains one kind of matter.
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A planet of mass m moves around the Sun of mass M in an elliptical orbit. The maximum and minimum distance of the planet from th
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Answer:

the relation between the time period of the planet is

T = 2π √[( r1 + r2 )³ / 8GM ]

Explanation:

Given the data i  the question;

mass of sun = M

minimum and maximum distance = r1 and r2 respectively

Now, using Kepler's third law,

" the square of period T of any planet is proportional to the cube of average distance "

T² ∝ R³

average distance a = ( r1 + r2 ) / 2

we know that

T² = 4π²a³ / GM

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T² = 4π² [( ( r1 + r2 )³ / 8 ) / GM ]

T² = 4π² [( r1 + r2 )³ / 8GM ]

T = √[ 4π² [( r1 + r2 )³ / 8GM ] ]

T = 2π √[( r1 + r2 )³ / 8GM ]

Therefore, the relation between the time period of the planet is

T = 2π √[( r1 + r2 )³ / 8GM ]

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Which term describes the time it takes for an object to complete one full cycle of motion on a spring?
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Answer:

2a. 24 m³

2b. 19200 Kg

2c. 192000 N

2d. 16000 N/m²

Explanation:

2a. Determination of the volume of paraffin.

Length (L) = 4 m

Width (W) = 3 m

Height (H) = 2 m

Volume (V) =?

V = L × W × H

V = 4 × 3 × 2

V = 24 m³

Therefore the volume of paraffin is 24 m³

2b. Determination of the mass of paraffin.

Volume (V) = 24 m³

Density (ρ) = 800 Kg/m³

Mass (m) =?

ρ = m / V

800 = m / 24

Cross multiply

m = 800 × 24

m = 19200 Kg

Therefore, the mass of paraffin is 19200 Kg

2c. Determination of the weight of paraffin.

Mass (m) = 19200 Kg

Acceleration due to gravity (g) = 10 N/Kg

Weight (W) =?

W = m × g

W = 19200 × 10

W = 192000 N

Therefore, the weight of paraffin is 192000 N

2d. Determination of the pressure.

Density (ρ) = 800 Kg/m³

Depth (h) = 2 m

Acceleration due to gravity (g) = 10 N/Kg

Pressure (P) =?

P = ρgh

P = 800 × 10 × 2

P = 16000 N/m²

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