3 years ago

What causes some materials to have a magnetic fields?

Physics

2 answers:

TiliK225 [7]3 years ago

8 0

Answer:

pole

Explanation:

Viktor [21]3 years ago

6 0

Well it determines on how much magnetism a material has.

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A certain runner averages 4.1 m/s over a 10

Ghella [55]

Answer: 40.650406504065 or 40 minutes and 39 seconds.

Explanation:

1 k = 1000m

race = 10000m

runner time = 10000 / 4.1

runner time = 2439.0243902439024 seconds

runner time = 2439.0243902439024/60 = 40.650406504065 or 40 minutes and 39 seconds.

6 0

2 years ago

What is the centripetal acceleration of a ball on a string that is whirled horizontally over a boy’s head? The radius of the cir

Leya [2.2K]

Well the centripetal acceleration would be 9.82 squared. That is the correct answer. I hope this helped you. Have a great day! :)

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3 years ago

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Coherent light with wavelength 540 nm passes through narrow slits with a separation of 0.370 mm .Part AAt a distance from the sl

77julia77 [94]

Answer:

The phase difference between waves 31.7 rad

Explanation:

Given :

Wavelength $\lambda = 540 \times 10^{-9}$ m

Separation between two slit $d = 0.370 \times 10^{-3}$ m

Angle $\theta =$ 25°

From the formula of phase difference,

$\delta = \frac{2\pi d }{\lambda} \sin \theta$

Where $\delta =$ phase difference

$\delta = \frac{2 \times \pi \times 0.370 \times 10^{-3} }{540 \times 10^{-9} } \sin 25$

$\delta = 31.7$ rad

Therefore, the phase difference between waves 31.7 rad

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2 years ago

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irina1246 [14]

Answer: endurance, strength, balance, flexibility

Explanation:

walking, jogging, swimming, biking

4 0

1 year ago

when arti kicks a football two forces interact, arti's foot exerts a force of 5N on the ball. what size force will be exerted on

CaHeK987 [17]

Answer:

F=MA

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2 years ago

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