PHYSICS HIGH SCHOOL

People working in nuclear plants wear special monitoring devices to track their exposure to radiation. Radioactive materials used in plants emit particles but they also emit high energy waves that are potentially lethal to human life. These waves are ______ waves

Answers

Answer 1
Answer:

Answer:

Gamma rays

Explanation:

Gamma rays are usually defined as a type of electromagnetic radiations, that are characterized by the presence of shorter wavelength and higher energy. These are the common radiations that are released from the radioactive substances, where an unstable nucleus of an atom releases an excess amount of energy by undergoing continuous electromagnetic processes.

These are harmful to humans and other organisms, as they are comprised of very high energy and they can easily penetrate through the bodies of humans and other organisms.

These gamma particles are emitted in the power plants, where the people working in it wear a special type of device that helps them in monitoring the exposure to radiation.
Answer 2
Answer:

It could also be gamma rays i don't really know

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Humans and animals alike have critical periods of development.true false

Answers

Answer: True

Explanation:

Human beings and animals both have their critical time period of development and if they fail to learn things at that time then they fail to learn it for the rest of their life.

The development period of the animals and human beings starts after the birth when a person starts learning and development.

Example:  If a bird does not learns to sing at the critical periods then it will not learn it the whole life.
True, both humans and animals alike do have critical periods of development

Julian stands on his toes to lift his body high enough so that he can reach a book. In this example, Julian's toes are aA) pulley
B) load
C) wedge
D) fulcrum
**its actual a physical science question**

Answers

Answer : (D) Fulcrum.

Explanation :

It is given that Julian stands on his toes to lift his body high enough so that he can reach a book. This is the example of a second class lever.

In the second class lever, the load is between the effort and the fulcrum.

In this case, the muscles provide the input force. His weight of the foot that is lifted up is the output force and toes act as a fulcrum.

So, the correct option is (D) Fulcrum.

Answer:

D

Explanation:

EDGE 22

Express fx and fy in terms of the length of the vector f and the angle θ in paired form

Answers

Where Fx = Fcos(Θ) and Fy = sin(Θ)
Fcos(θ),Fsin(θ)

Which two wire properties would provide the greatest resistance to the flow of a current?

Answers


Properties of wire, and things you can
do to it to make its resistance high:

-- Thickness.  Make it as thin as a hair on a mosquito's leg.

-- Length.  Make it long enough to go around the Earth.

-- Resistivity of the material.  Make the wire out of glass or wood.
if this is science then I believe one is CONDUCTION not sure about second one but it may be something to do with the wires look and structure e.g matieral

The big bang theory suggests that the universe is about _____.300 million years old4.6 billion years old30 billion years old13 billion years old

Answers

Answer:

13 billion years old

Explanation:

Big ban theory is the theory that explains the things occurred at the origin our our universe. It explains the movement of the galaxies It also tells us the age of our universe. According to this theory, our universe is 13 billion years old. The temperature of our universe was about 5.5 billion Celsius at the start of the universe.

13 billion years old

Questions3 pts
Convert 6.36 x 104 from scientific notation to standard decimal with the correct number of significant digits.

Answers

Answer:

Explanation:

standard decimal form  of 6.36*10^4 is

6,3600.0
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