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kakasveta [241]
4 years ago
13

What kind of EM waves are most dangerous to humans​

Physics
1 answer:
zhuklara [117]4 years ago
4 0

The most dangerous frequencies of electromagnetic energy are X-rays, gamma rays, ultraviolet light and microwaves. X-rays, gamma rays and UV light can damage living tissues, and microwaves can cook them. Hope this helps! =^-^=

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Read 2 more answers
- An experienced pilot can keep an engineless glider aircraft aloft for hours by
Annette [7]

Answer:

F<em>lift=</em>5.00×10³ N

F<em>horizontal</em>=0.50×10³ N

F<em>g</em>=4.80×10³ N

Explanation:

A free-body diagram of the glider.

pretend this is a number line

^

|  F<em>lift</em>

|  

|

|---->F<em>horizontal</em>

|

| F<em>g</em>

|

∨

hope this helps! :)

6 0
3 years ago
According to the work-energy theorem, if work is done on an object, its potential and/or kinetic energy changes. Consider a car
Leni [432]

Answer:

The force of the car engine.

Explanation:

The work- energy theorem states that the work done on an object is equal to the change in its kinetic energy. Its expression is given by :

W=\dfrac{1}{2}m(v^2-u^2)

Also, W = F.d

Fd=\dfrac{1}{2}m(v^2-u^2)

Where

F is the force applied by the engine of car

d is the displacement

m is the mass of an object

u is the initial speed

v is the final speed

So, the force of the car engine increased the car’s kinetic energy. Hence, this is the required solution.

6 0
3 years ago
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