PLEASE ANSWER NEED HELP!!!!!!!! PLEASE THE CORRECT ANSWER!!!!!!
The brain itself does not contain nerves. How is it part of the central nervous system?
A.
It sends the signals out to the nerves.
B.
It is not—it is part of the endocrine system.
C.
Only parts of the body that move have nerves.
D.
It is a central part of the body, so it is in that system.
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The brain is part of the central nervous system because it sends the signals out to the nerves.
option A.
What is central nervous system?
The central nervous system is made up of the brain and spinal cord.
The brain controls how we think, learn, move, and feel.
The spinal cord carries messages back and forth between the brain and the nerves that run throughout the body.
Thus, we can conclude that the brain itself does not contain nerves, but it sends the signals out to the nerves hence it is part of the central nervous system.
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Trong thí nghiệm về giao thoa sóng trên mặt nước gồm hai nguồn kết hợp S1S2 cách nhau 15 cm với dao động với tần số 30Hz. Tốc độ truyền vòng 48 cm/s.
a. Tìm khoảng cách giữa hai cực đại gần nhau nhất.
b Tìm số điểm dao động với biên độ cực tiểu giữa S1S2.
c. Trong vùng giao thoa điểm M trên mái nhất cách S1S2 lần lược các khoảng MS1 =1,5 cm và MS2=7,9 cm. M là cực đại hay cực tiểu và là đường thứ bao nhiêu so với đường trung trực của S1S2.
Answer:
this is a difficult question but I will try to answer it answer for this is 3220 a + b b u s y d l new
If a ball is thrown from a tall building, how tall is the building if it takes 4s for the ball to land.
Let’s assume that we can ignore the resistance of the air (as one usual does in physics homework).
The distance ‘s’ traveled by an object under constant acceleration ‘a’ in a time ‘t’ is given by
s = 1/2 a t^2
if the object starts at rest. As t=4 seconds and ‘a’ is the usual 9.81 m/s^2, you can put the numbers in and get
s=8*9.81 m ~78.5m or 78 500 cm
A foot amounts to (as you know) 30.3 cm, so you have to divide the above number by the 30.3cm/ft and get
s ~ 257 ft.
Explanation:
NEED HELP!!! ANSWER THESE 5 QUESTIONS FOR 25 POINTS!!!! PLEASE ANSWER!! I WILL GIVE YOU BRAINLIEST
1. Therese plays lacrosse, but she has injured her ankle and has to take a few weeks off. She is finding that she has a lot of trouble sleeping since she is no longer practicing several days a week. What BEST explains this?
A.
She needs regular exercise to move oxygen through the blood.
B.
She clearly requires more exercise than most people to relieve stress.
C.
She is not releasing the endorphins that she used to, and that impacts her sleep.
D.
She is likely not maintaining the healthy habits that she did when she was practicing.
2. Imagine that you are running and want to track your heart rate. What is the easiest way to do this?
A.
Check your pulse at the wrist or neck.
B.
It can’t be done without special equipment.
C.
Close your eyes and count to 30 very slowly.
D.
Take off your shoe and check the top of your foot.
3. Guillermo has decided that he wants to be healthier, so he starts jogging. He has been at it for a week, but he is getting frustrated because he cannot run very far without getting out of breath. He is beginning to think that this is not a good exercise for him since he is not very good at it. What BEST explains why Guillermo is struggling?
A.
He probably does not have good form when he is exercising.
B.
He likely has heart or lung problems that he was not aware of.
C.
He does not have much endurance since he is new to exercise.
D.
He is just not good at jogging and needs to try something else.
4. Li Wei loves cardio and finds it very easy to fit into his schedule. Because he knows it is important to diversify his exercise routine, sometimes he runs and other days he rides his bike. What else should Li Wei consider regarding his routine?
A.
He should add some strength training.
B.
He needs to add one more form of cardio.
C.
He has too much cardio and should cut half of it.
D.
His program works for him, so he should not change it.
5. Jamar has decided that he is going to train for a marathon. He knows that it will take a lot of training, and that he will need to build his muscles. What part of the muscle does he need to build?
A.
oxygen levels
B.
fast twitch fiber
C.
slow twitch fibers
D.
large muscle mass
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Answer:
1.A
2.C
3.A
4.B
5.D
Explanation:
CORRECT ME IF IM WRONG
What is the mass of the object if it has a density of 657 g/mL and a volume of 32 mL?
Show work!
Answer:
The answer is 21024g/mL
Explanation:
Multiply 657 by 32:
657
× 32
⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻
21024
↳ 21024 g/mL
what is the frequency of a wave that has a wavelength of 3m that is traveling at a speed of 9m/s
Answer:
3 m/s
Explanation:
At what distance will the weight of a body be halved , Earth's radius=6.4×10^6
A body of mass m has weight
F = GMm/r²
on the surface of the Earth, where G is the universal gravitational constant, M is the mass of the Earth, and r is it's radius.
If the weight is to be halved, then we have
1/2 F = 1/2 GMm/r² = (1/√2)² GMm/r² = GMm/(√2 r²)
so the distance between the body and the planet's center needs to be
√2 × 6.4 × 10⁶ m ≈ 9.1 × 10⁶ m
Hunger and thirst are examples of external stimulus true or false
Hunger and thirst are examples of external stimulus true or false
false External stimulus. The external stimulus includes touch and pain, vision, smell, taste, sound, and balance (equilibrium)
Highest common factor of 12r and 10
I think the number 2, not sure
I cant figure this out for so long. thank you in advance whoever helps me
Answer:
a magnet is a material with a North and South pole
Which event demonstrates electromagnetic waves transferring energy?.
Answer:
Radiation is the transfer of heat energy through space by electromagnetic radiation.
Explanation:
Describe what it means to view something from a frame of reference.Give an example to illustrate your explanation.
like just try and try you gut it just trust me I'm a Wuman and you a man
A group of students is investigating whether wheels affect the force of friction. The students push two boxes each with the same force on a table. One box has wheels and the
other does not have wheels. The distance traveled by each box is shown.
Experimental Observations
Student 1 Student 2 Student 3 Student 4
Distance traveled by box with wheels
24 cm
22 cm
20 cm
23 cm
Distance traveled by box without wheels
12 cm
14 cm
15 cm
13 cm
Which step should the students take next?
Make a hypothesis
Test another variable
Analyze the results
Share their conclusion
How does alpha particles transfer energy to their surroundings?
Is the daughter or the science teacher correct? And why?
Answer:
The daughter. I can't really explain but practically, it happens as the daughter has stated.
The moment the skateboard starts moving (after skateboarder pushes it). Which of Newton's laws is most relevant to this action?
Answer:
The law of gravity
Explanation:
Thea uses a hairdryer to dry her hair. The hairdryer has an efficiency of 0.5 and the total input energy is 180 kJ. How much of the energy supplied is wasted? Give your answer in joules
90kJ of the energy supplied to the hair dryer is wasted.
Efficiency is the ratio of output to input. It is given by:
Efficiency = output / input
Given an efficiency of 0.5 and the total input energy is 180 kJ. Hence:
Efficiency = output / input
0.5 = output / 180 kJ
Output = 90 kJ
Amount of wasted energy = Input - output = 180kJ - 90kJ = 90kJ
Therefore 90kJ of the energy supplied is wasted.
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Refer to the following illustration to answer this question.
Waves
To measure one wavelength, you would measure the distance between __________.
Question 16 options:
D and B
C and A
A and B
C and F
Answer:
C and E
Explanation:
The wavelength of a transverse wave can be measured as the distance between two adjacent crests. The wavelength of a longitudinal wave can be measured as the distance between two adjacent compressions. Short-wavelength waves have more energy than long-wavelength waves of the same amplitude.
are dimensionless quantities always unitless
Important thing is that all unitless quantity is dimensionless quantity. .A dimensionless physical quantity may have an unit
How did the volcano Mt. St. Helens form?
A. This is a random hotspot on the earth where magma comes to the surface, it is
not at any plate boundary
B. This is a divergent boundary and plates are moving apart here to form volcanoes
and mountains
C. ML St. Helens is at a continental-continental convergent boundary and there are
no trenches here
D. Subduction a an oceanic continental convergent boundary caused a mountain
range to form and magma to come to the surface
Given what we know about volcanic formations, we can conclude that the Mt. St. Helens volcano was formed by the process described in option D, "Subduction an oceanic continental convergent boundary caused a mountain range to form and magma to come to the surface".
Mt. St. Helens is a volcano that falls under the category of a stratovolcano. Stratovolcanoes are volcanoes that commonly form at subduction zones. This process forms chains or clusters of mountains along the boundaries of tectonic plates, where oceanic crust is pulled under another type of crust. This process tends to form mountain ranges which contain volcanoes, such as:
Cascade Range (To which Mt. St. Helens belongs)Los AndesRocky MountainsCampania Mountain rangeand so on.
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transivity, reflexivity, and identity refer to what kind of reasoning?
Deductive reasoning. Deductive reasoning implies the use of a given set of facts or data to deduce other facts, by reasoning logically. It rearranges information that is already known into new statements or truths. Hence transitivity, reflexivity, and identity refer to it and are necessary elements.
What are deductive reasoning and examples?Deductive reasoning is a type of deduction used in science and in life. It is when you take two true statements, or premises, to form a conclusion. For example, A is equal to B. B is also equal to C. Given those two statements, you can conclude A is equal to C using deductive reasoning.
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The diagram shows an idea for a perpetual motion machine. The car runs on electricity. As it moves along, the air moving past the car turns the generator on the roof. This generates the electricity needed to power the car.
Question on the paper
Let us begin by explaining the Energy transformation that will take place
Because the car runs on electricity, electrical energy that is stored in form of chemical energy is converted to mechanical energy that causes the car to moveNow when the car is in motion, the fan rotates, and my means of electro magnetic induction, the rotational(Mechanical Energy) possessed by the fan is converted to electrical energy which will then be converter to chemical energy stored in the battery of the carOk, let us discuss about why the idea will not work
Although the system will work, but to some extent, that is it will not sustain the process, over time the system will consume more energy than it will generate
Going my the law of thermodynamics "There is no perpetual motion machine of the first order" hence theoretically the system is not possible
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The air in a tire pump has a volume of 1.5 L at a temperature of 5 ℃. If the temperature is increased to 25 ℃ and the pressure remains constant, what is the new volume of the tire pump
Answer:
Explanation:
5 C = 278 K
25 C = 298 K
V1 / T1 = V2 / T2
1.5L / 278 K = V2 / 298 K
V2 = (1.5L * 298) / 278
V2 = 1.61 L
You receive a generic email notification about an issue with the delivery of a recent order. You’re instructed to click on a link included in the email for further information about the order. When you click, it opens a webpage which asks for your account username and password before you can view the information. Which of the following is the biggest red flag in this scenario?
A. There is an issue while delivering your order.
B. The email you received was a generic notification.
C. The information about the delivery problems is not contained in the email.
D. Your username and password are required to view the information.
Answer: C. The information about the delivery problems is not contained in the email.
Explanation: please give brainliest
An object has an acceleration of 18.0 m/s/s. If the net force
was tripled and the mass were halved, then the new
acceleration would be m/s/s.
Answer:
Force = mass × acceleration
[tex]{ \boxed{ \rm{F = ma}}}[/tex]
• For the first case;
[tex]{ \tt{F = 18m}}[/tex]
• For the second case;
[tex]{ \tt{3F = \frac{1}{2} m \times a}} \\ \\ { \tt{F = \frac{1}{6}m \times \frac{1}{3}a }}[/tex]
Then equate the equations:
[tex]{ \tt{18m = \frac{1}{6} m \times \frac{1}{3}a }} \\ \\ { \tt{18 = \frac{1}{3} ( \frac{1}{2} \times a)}} \\ \\ { \tt{54 = \frac{a}{2} }} \\ \\ { \boxed{ \mathfrak{answer{ : \rm {a = 98 \: m {s}^{ - 1} }}}}}[/tex]
how to find total internal reflection
(c) Total internal reflection occurs
when the incident angle is greater than the critical angle.
n1 sin θ1 = n2 sin θ2. n1 sin θ1 = n2.hope it helps9. A car of 1200 kg is rolling down a hill. When the car reaches a momentum of 7800 kg
m/s, what is its velocity?
Answer:
V = p/m = 7800/1200 = 6.5m/s
Explanation:
explique o que você da frase:"não somos seres humanos passando por uma experiência espiritual... somos seres espirituais passando por uma experiência humana
Answer:
Talvez o que ele quis dizer é que tudo o que temos não é nosso, mas de Deus, e o que fazemos é saber como será estar vivo
what is this it tastes sour
A. diamond
B. sugar
C. salt
D. cinnamon
Answer:
salt
Explanation:
it comes from sea water
Answer:
Salt
Explanation:
It’s not cinnamon ( I know because if the picture)
it’s not sugar (sugar is sweet not sour)
IT MIGHT BE SALT (it’s salt)
its nit diamond (diamond doesn’t have a taste?)
A chemical lab isolates a gaseous element from the atmosphere that does not form chemical compounds. In which group of the periodic table is this element most likely found?
A. 18
B. 17
C. 1
D. 2
Answer:
A- 18
Explanation:
It wont let me explain how
