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AURORKA [14]
3 years ago
11

The frequency of a generated electromagnetic wave matches the

Physics
1 answer:
Assoli18 [71]3 years ago
8 0

Answer:

C) frequency of vibrating charges that produced it.

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Receiving delicious food is to escaping electric shock as ________ is to ________.
Aleks [24]

Answer:

positive reinforcer; negative reinforcer

Explanation:

positive reinforcer; negative reinforcer

Receiving delicious food can be seen as a positive reinforcer while escaping electric shock can be seen as a negative reinforcer.

7 0
3 years ago
Do you think that solids can undergo convection
Alex_Xolod [135]
<span>Convection means the movement happens inside a fluid by the cause of too much heat and lesser density to rise, and also the colder cause denser materials to sink.
Thus, Solid cannot undergo convection because the molecules inside the solid are closer and can hardly move unlike liquid.
So, when the temperature got hotter or colder, the molecules on solid will only vibrate and not convert.
Therefore, this concludes that the solid do not undergo convection rather conduction of heat.</span>



7 0
4 years ago
1. A Zambeef delivery track travels 18 km north, 10 km east, and 16 km south. What is its final displacement from the origin?
Amiraneli [1.4K]

Answer:

10.2 km

Explanation:

Displacement is the shortest distance from your original position after movement.

Now, the Zambeef delivery truck moves 18 km north and then 10 km east and then 16 km south.

This means that vertically the truck is 2km short of the 18 km he travelled north..

So we can find the displacement using pythagoras theorem..

Let d be the distance from the current position to the initial position.

Thus;

d² = 2² + 10²

d² = 4 + 100

d = √104

d ≈ 10.2 km

I have attached a diagram showing the direction of this displacement

3 0
3 years ago
Which question did he ask to divide the items in the two groups?
REY [17]

Explanation:

the only difference between the two is one group is powered by battery and the other group is plugged into the wall.

5 0
3 years ago
Read 2 more answers
Drug abuse is characterized by _____.
arlik [135]
There can be mental health effects and psychological dependence
8 0
3 years ago
Read 2 more answers
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