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stiks02 [169]
3 years ago
7

In the illustration of the solar spectrum, the upper left portion of the spectrum shows the __________ visible light.

Physics
1 answer:
Usimov [2.4K]3 years ago
8 0
Lowest frequency visible light
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3 years ago
A student places two magnets as shown; with their south poles equal distances from a compass. The student observes that the comp
Gre4nikov [31]

Since the direction of the needle depends on the proximity of the magnet thus this test alone is insufficient to determine the stronger magnet.

<h3>What is a magnetic field?</h3>

A magnetic field refers to the region where the effect of a magnet is felt. The magnetic field can be observed by the use of a compass.

Now, we know that the closer the magnet is to the compass, the greater the deflection hence this test alone is insufficient to determine the stronger magnet.

Learn more about magnetic field:brainly.com/question/14848188

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2 years ago
What is the most effective way to prevent beach erosion?
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The most effective way to prevent beach erosion is to replant mangrove trees, seaweeds and seagrass. The strategic planting of vegetation can be used to help control erosion. The roots of these plants help to anchor the sand and ensure that it is not carried off in erosion. This is why many areas plant seagrass and build marshes along coasts to prevent erosion. 
8 0
4 years ago
A 10 N force and a 30 N force act on an object in opposite directions. What is the net force on the object? Sketch a free body d
yarga [219]

Answer:

Net_{F} = 30N - 10N = 20N

Please mark as brainliest!

It is appreciated hope this helps!

Explanation:

I have put what a simple free body force diagram that you would need for this question below!

Just swap out the 5N and 3N with 30N and 10N :)

8 0
3 years ago
Fill in the term that completes the statement. The north and south poles of a magnetic field produced by an electromagnet will s
Minchanka [31]

Answer:

when the direction of the Current changes.

Explanation:

Electromagnet refers to an iron ore wrapped around with a coil of wire, in presence of electric current. As it acts like a magnet, when current is passed through it.

The north & south poles of magnetic fields produced by such magnet, change with direction of current passed through it.

6 0
3 years ago
Read 2 more answers
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