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marusya05 [52]
4 years ago
11

I NEED HELP PLEASE I have to explain the joke but I don’t know how to ?

Physics
1 answer:
Solnce55 [7]4 years ago
3 0
Why do transformers hum? Transformer noise is caused by a phenomenon which causes a piece of magnetic sheet steel to extend itself when magnetized. When the magnetization is taken away, it goes back to its original condition. This phenomenon is scientifically referred to as magnetostriction.
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Iron oxide reacts with aluminum to give aluminum oxide and iron. What kind of chemical reaction is this?
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a displacement reaction

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3 years ago
A beam strikes an irregular mirror and is reflected as shown below. The angle formed by the incoming beam and the reflected beam
Dominik [7]

Answer:

the correct answer is B

Explanation:

The law of reflection states that the angles of incidence and reflection on a surface are the same, the two rays and the normal are in the same part of the surface.

In this exercise indicate that the angle between the incident and reflected ray is 10, therefore the angle with respect to the normal that is a vertical line at the point of contact of the ray must be 5

Consequently the correct answer is B

7 0
4 years ago
10. Water is a solute in moist air.<br> true or false
Talja [164]

Answer: Yes / true

Explanation: A solute changes the chemical properties of a solvent. Pure water has a higher boiling point than salty water. Ionic compounds dissolve in nonpolar solvents. Water is a solute in moist air.

6 0
3 years ago
Which ancient society developed the cuneiform writing system
Anuta_ua [19.1K]
The correct answer is B
5 0
4 years ago
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