I would like to know the answers to both 10 & 11
Answers
Answer:
picture is not showing up sorry
Explanation:
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suppose a vacuum cleaner use 120 j of electrical energy. If 45 j are used to pull air into the vacuum cleaner, how efficient is the vacuum cleaner?
How could you increase the kinetic energy of a truck without increasing its velocity?
What is the root word for organelle a. elleb. anellec. orgd. organ please help 12 points
How many prtons neutrons electrons are in helium
B.crust
C.inner core
D.mantle
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The mantle is the layer of the Earth that contains most of the Earth's mass. The correct option is (D).
The part of the Earth's crust that contains the majority of its mass is called the mantle. Between the crust and the outer core, it is located. The mantle is made up of hot, flowing rock known as magma and is a thick, semi-solid layer. It makes up around 84% of the entire volume of the planet and is in charge of tectonic plate movement, volcanic activity, and other geological processes that sculpt the surface. In comparison to the mantle, the outer core and inner core have substantially smaller volumes.
Hence, the mantle is the layer of the Earth that contains most of the Earth's mass. The correct option is (D).
To learn more about Mantle, here:
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Approximately 32 electrons can be fit in the fourth energy level.
Solution:
2+4+6+10+10=32
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Answers
'Frequency' is a word that often confuses some people ... for no good reason.
It just means "frequent-ness" or "often-ness" ... how often something happens.
The SI unit of frequency is the Hertz (Hz). Hz means 'per second'.
So " 13 Hz " means 13 per second.
Here are examples of frequency:
-- 780 kilohertz (on your AM radio dial)
-- 98.7 Megahertz (on your FM dial)
-- 5.8 Gigahertz
-- twice a day
-- three per week
-- every 6 months
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Answer:
A signal is produced.
Radio waves are modulated and amplified.
Radio waves are amplified and demodulated.
A signal is seen, heard, or used.
Explanation:
Communication is the method of transmitting information between two or more participants. A radio communication network is a set of static and wireless radio equipment developed to facilitate an entity by enabling particular modes of communication such as one-to-many and one-to-one communication. Radio waves are being used to transmit information spatially from the sender to receiver, by modulating the radio signal in the transmitter. The above steps explains the loop of the radio communication system.
Answer:
A signal is produced- 1
A signal is seen, heard, or used- 4
Radio waves are modulated and amplified- 2
Radio waves are amplified and demodulated- 3
Explanation:
got is correct on edge 2020
B.when it first leaves your hand
C.when it approaches the top of its flight
D.when it begins to fall back to your hand.
Please Help
.
Answers
Answer:
A.when it reaches the top of its flight
Explanation:
The potential energy of an object is given by:
where
m is the mass of the object
g is the acceleration of gravity
h is the heigth at which the object is located above the ground
Therefore, we see that the higher the object, the larger its potential energy: this means that the ball will have the greatest potential energy at the top of its trajectory.
potential energy increases as the height of the object does, and the highest point of a ball's flight is when it reaches the top.