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3 years ago

Laticia draws the diagram below to show Earth’s magnetic field.

Physics

2 answers:

Arada [10]3 years ago

7 0

Answer:

The arrows to the right of Earth should point up

Explanation:

The Earth acts as a huge magnetic dipole, oriented as its axis of rotation, with the North Pole located at the South geographic pole and the South pole located at the North geographical pole.

In a magnetic dipole, the lines representing the field go out from the north pole into the south pole.

This means that for the Earth, the field lines should go from south (which is the north magnetic pole) to north (which is the south magnetic pole): therefore, the arrows to the right of the Earth should point up as well as the line to the left.

11Alexandr11 [23.1K]3 years ago

3 0

Answer: The correct answer is D

Explanation: The arrows to the right of Earth should point up.

Hope this helps :)

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Which is an example of a vector quantity

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Answer:

The answer to your question is C

Explanation:

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3 years ago

Lukalu is rappelling off a cliff. The parametric equations that describe her horizontal and vertical position as a function of t

andre [41]

Answer:

2.5 s, 5 m

Explanation:

The equations for the horizontal and vertical position of Lukalu are:

$x(t) = 8t\\y(t) = -16t^2 + 100$

we can find the time it takes her to reach the ground by requiring that the vertical position becomes zero:

y(t) = 0

So we find:

$0=-16t^2 +100\\16t^2 = 100\\t=\sqrt{\frac{100}{16}}=2.5 s$

The horizontal distance of Lukalu instead will be given by the equation for the horizontal position, substituting t = 2.5 s:

$x=8t = 8 \cdot 2.5 s =5 m$

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3 years ago

A hiker hikes south 0.7 km. she then hikes east 2.4 km. what is the magnitude and unit of her displacement from her initial posi

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If you illustrate the problem, you will somewhat come up with the figure shown. The missing value is the hypotenuse of the right triangle. Using the pythagorean theorems, the value is determined to be

x = √(0.7^2 + 2.4^2)
x = 2.5 km

2.5 km is the magnitude of the distance. If you want to incorporate the displacement, the answer is reported as 2.5 km, southeast. The direction is determined from the starting point to the endpoint.

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3 years ago

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1-a 2-b 3-b

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evablogger [386]

Answer:

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Explanation:

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- Convection, on the contrary, occurs via a liquid medium

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