Where is the magnet that causes Earth’s magnetic field? What is this magnet made of?

Physics

1 answer:

Y_Kistochka [10]2 years ago

6 0

Answer:

The magnetic field of Earth is created by currents of electricity that flow in the molten center.

Explanation:

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A seismographic station receives S and P waves from an earthquake, separated in time by 17.8 s. Assume the waves have traveled o

Georgia [21]

Answer:

D = 230.2 Km

Explanation:

let distance between seismograph and focus of quake is D

From time distance formula we can calculate the time taken by the S wave

$T_1 =\frac{D}{4.5}$

From time distance formula we can calculate the time taken by the P wave

$T_2 =\frac{D}{6.90}$

It is given in equation both waves are seperated from each other by 17.8 sec

so we have

$T_1 - T_2 = 17.8$ sec

Putting both time value to get distance value

$\frac{D}{4.5} - \frac{D}{6.90} = 17.8$

D = 230.2 Km

8 0

3 years ago

Explanation of the physics involved i the northern lights(aurora borealis) why can't it occur in mire southerns latitudes?

PSYCHO15rus [73]

Answer:

The northern lights come from the interaction of electrically charged particles given off by the Sun surface during solar storms and the Earth's magnetic field which is pointed in the northern to southern poles of the Earth. Therefore, the charged particles that travel through millions of miles from the Sun to the Earth accelerate towards the magnetic poles and appear as the northern (and southern) lights

Boreal is an adjective word for the north or northern regions. In the southern latitudes, in the southern hemisphere, the phenomenon is called aurora australis (australis is the adjective for 'of the south')

Explanation:

5 0

2 years ago

........................

erma4kov [3.2K]

Answer:

14°F = 263.15 K

31°F = 272.594 K

71°F = 294.817 K

35°F = 274.817 K

Explanation:

Use the formula 273.15 + ((°F–32)•5)/9