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DochEvi [55]
3 years ago
5

Which statement is true about the part of the electromagnetic spectrum that human eyes can detect?

Physics
2 answers:
LUCKY_DIMON [66]3 years ago
7 0
Your answer is B. The human eye can only detect color and Tv waves
Mama L [17]3 years ago
4 0

Answer:

The answer is D i took the quiz and I am in K12 hope it helps!

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A piece of wood is floating in a bathtub. A second piece of wood sits on top of the first piece, and does not touch the water. I
Fofino [41]

Answer:

B

Explanation:

Water level remains unchanged

The first thing to realize is that the buoyancy force is the same as, or equal to the weight of the wood, this same force is also the same as or equal to the weight of the water displaced by the wood. In the two cases, the weight of the wood will be unaffected nonetheless, and thus the water level will remain the same.

Therefore, the answer is B, the water level remains unchanged.

6 0
3 years ago
Acceleration is the magnitude of average velocity.​
lina2011 [118]

Answer:

false

Explanation:

just did the question on apex, true was wrong

4 0
3 years ago
The area in which the attraction and the repulsion of a magnet's poles are felt is a(n)
docker41 [41]

The are is called a magnetic field.


8 0
3 years ago
Read 2 more answers
1. A uniform magnetic field is directed vertically upwards. In which direction in this field should an alpha particle be project
max2010maxim [7]

Answer:

1. Fleming's left hand rule

2. It must be projected towards the east

Explanation:

Fleming's left-hand rule states that; When a current-carrying conductor is placed in an external magnetic field, the conductor experiences a force perpendicular to both the field and to the direction of the current flow. This rule was first put forward by John Ambrose Fleming in the later part of the nineteenth century.

Hence if the thumb, fore finger and middle finger of the lefthand are held mutually at right angles to each other; the thumb shows the direction of motion, the fore finger shows the direction of the field while the middle finger shows the direction of the current.

Hence, if the alpha particle is projected eastwards(at right angles) to the uniform magnetic field, it will be deflected southwards in the magnetic field.

3 0
3 years ago
Consider a sample containing 1.70 mol of an ideal diatomic gas.
babunello [35]

I don't know

because I don't know

7 0
3 years ago
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