Due to paralysis, the result is severe spinal injuries. This is often the case because the spine houses much of the central nervous system, which controls movement. Hence, option C is correct.
What is Paralysis?You might become paralyzed, and unable to move on your own when something interferes with the nerve impulses that muscles receive from the brain. Strokes, spinal cord injuries, and neurological diseases like multiple sclerosis are among the common causes of paralysis.
When you are unable to move your muscles voluntarily, you are said to be paralyzed. Paralysis results from nerve system issues.
Muscles receive messages from healthy nerves. This causes the muscles to contract. When you’re paralyzed, or have paralysis, you can’t move certain parts of your body.
Hence, it concludes that option C is correct.
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Using the Position vs. time Graph below, showing the motion of two cyclists (Cyclist A and Cyclist B) answer the following question.Do the two cyclists have the same velocity at t = 3 seconds?
Using the information depicted on the distance - time graph, the slope of the graph is could be used to infer the velocity of each cyclist. Hence, cyclist A and B do not have the same velocity at 3 seconds.
The steepness of slope on the distance - time graph gives the velocity of the cyclist. At time, t = 0 ; the cyclist A has a greater slope than cyclist B. Hence, the velocity of the cyclists is different.
Therefore, the cyclists do not have the same velocity at time, t = 3 seconds.
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Mass can be expressed in
a Kilograms
b Grams
C Milligram
d All of the above
Answer:
d) All of the above
Answer:
d
Explanation:
cause mass is in everything
Which is true for every atom of an element?
A.
It can be seen with a magnifying glass.
B.
It is joined together with another atom.
C.
It has mass and volume.
D.
It is weightless.
Answer:
A
Explanation:
Every atom of an element has its own mass and volume as the atom is the smallest fundamental unit of the matter, therefore the correct answer is option C.
What is the matter?Anything which has mass to keep the same when comparing the hardness of the solid and occupies space is known as matter, mainly there are four states of matter solid liquid gases, and plasma.
As given in the problem statement we have to find the true statement from the given options that is true for every atom of an element,
The size of an atom of an element is a very small order of magnitude so it can not be seen with a magnifying glass, therefore, option A is not the correct response.
Thus, every atom of an element has its own mass and volume as the atom is the smallest fundamental unit of the matter, therefore the correct answer is option C.
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Why does it hurt more when you fall on concrete than on grass?
Answer:
Smaller forces are easier on your legs and you prefer to land on soft grass. Momentum/impulse explanation: Whether you land on concrete or soft grass, your change in momentum will be identical. A hard surface that brings you to a stop in 0.01 s requires a much larger force of 15,000 N.
Explanation:
Friction due to fluid is also called ___________
Friction due to fluid is also called DRAG
Answer:
Hey mate.....
Explanation:
This is ur answer....
Friction due to fluid is also called drag.
Hope it helps
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Question 3
Kennedy is planning an investigation into the transformation between Kinetic and potential energy using objects she found around her house
The object that is best used to study the transformation between kinetic and potential energy is the clock because it has a pendulum.
A pendulum can be used to study the conversion of kinetic energy to potential energy. As the pendulum swings from side to side energy is converted from potential energy to kinetic energy and back to potential energy.
The potential energy is minimum and the kinetic energy is maximum at the middle of the pendulum. At both ends of the pendulum, the potential energy of the system is maximum.
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PLEASE HELP MY WHOLE GRADE-DEPENDS ON THIS
A motorboat whose speed in water is 5.00 m/s must aim upstream at an angle of 47.5° above the
horizontal in order to travel directly across the river. A. Diagram the physical scenario and add the triangle (2 pt). B. What
is the speed of the river (1 pt)? C. What is the resultant speed of the boat with respect to the shore (1 pt)? D. If the opposite
shore is 191 meters away, how long will it take to get across (1 pt)?
Answer:
C.
Explanation:
Because the speed pf the boat will depends of the driver.
The horizontal rows on the periodic table are called
Answer:
periods or series
Explanation:
The elements are arranged in seven horizontal rows, called periods or series, and 18 vertical columns, called groups. Elements in the periodic table are organized according to their properties.
brailiest pls
what is the weight of a 1.8 kg computer
Answer:
17.64 Newtons
Explanation:
In order to find the weight of an object we take the mass in kilograms and multiply it by the gravitational constant (9.8), which is 1.8 * 9.8 = 17.74 Newtons.
Weight is force on the body of given mass 1.8 Kg. Weight is 17.64 N.
What is force?A force is an effect that can alter an object's motion according to physics. An object with mass can change its velocity, or accelerate, as a result of a force. An obvious way to describe force is as a push or a pull. A force is a vector quantity since it has both magnitude and direction.
Weight of body is force due to gravity,
F = mg
F = 1.8*9.8
F = 17.64 N
Weight of the body is given as 17.64 N.
Weight is force on the body of given mass 1.8 Kg. Weight is 17.64 N.
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Hi I just need an answer btw it’s science not physics
Answer:
You need to divide 200 by 23 seconds in order to get your answer.
The walls of a dam are much thicker at the base than at the top
Answer:
I guess it is the reason
Explanation:
A dam is thicker at the bottom than at the top because the forces exerted are strongest close to the ground. Water pressure increases proportionally with depth, so the lower portion of the dam has greater water pressure exerted upon it. The increasing thickness of the lower dam also helps it support its own weight.
This is because of Pressure.
Pressure is directly proportional to depth and the deeper the length the high the pressure. Thus at the bottom, water pressure is very high and the walls must be made thicker to accommodate that pressure.
What is shawarma in your own words
Answer:
it is a meal that jas tomato,ketchup meat or chicken, mayoneze and cucumbers.
Why is it easier to cut meat with a sharp knife than with a blunt knife
Answer:
because the knife is sharp
Answer:
Pressure is inversely proportional to the area of the surface. While a blunt knife has more area coming in contact than a sharp knife and the pressure exerted by the blunt knife will be less as compared to that of a sharp knife. Therefore it is easier to cut with a sharp knife.
Explanation:
Hope this helps! mark as brainliest please...
Push the skateboard and the box with a force of 500N. Observe and describe the behavior of the velocity once the skateboard is released?
Answer:
Force and Motion - Word ACROBAT w otion" Applied Force O Newtons DD -500 500 Net Force Motion Friction Acceleration I
2. Select the checkboxes: Forces, Values, Masses and Speed Force Values Masses Speed 3. Push the skateboard and the box with a force of 500N. Observe and describ behavior of the velocity once the skateboard is released Explain the reason of such behavior Part III. Friction 1. Click on "Friction" 2. Select the checkboxes: Forces, Sum of Forces, Values, Masses and Speed. Kee the knob that regulates the friction at the center of the scale. Forces Sum of Forces Values Masses
3. Start to push the box, increasing the force applied on the box slowly. There is a force that is opposite to the force you are applying. What is the name of the force opposing to the motion? 4. Once the box start moving, the magnitude of the resultant force increase instantaneously. How do you explain that? 5. Push the box and find the force needed to make the box to start moving. Add more mass (box, kid, man,refrigerator, basket as needed) and repeat the procedure such that you complete the table below. Hint: Weight = mass x gravity Magnitude of Normal Force = Magnitude of the Weight Mass (kg) Weight (N) Normal Force (N) Force of Static Friction (N) 50 90 130 150 180 x 0 N
Explanation:
The forces act on skateboard when we push it are , external force of 500N and friction force because of the surface.
What is the Newton's First law of motion?The stationary object will remain stationary or the subject in the motion will keep its motion until or unless the external force is not applied .
What will happen when we apply 500 N external force to the skateboard?We know the only force which is going to oppose the applied 500N force is the friction force due to surface.First as we will apply the external force the skateboard and the box will start gaining the velocity and the accelerationAfter some time because of the friction force the skateboard and the box will start losing its velocity because of the friction force and the combined mass they are having and at the end it will stop moving forward. it is also depends on their mass also.If we put different types of objects on the skateboard then the time period of lost of velocity will be different .If we put object having more mass then the combined system (skateboard + object ) will start losing its velocity quickly . and visa versa for the object having less mass.So, by the Newton's first law of motion we can understand this concept.
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Apply Newton’s second law to calculate the frictional force needed to hold a 15 g pen in your fingers and keep it from falling
Answer:
0.1962N.
Explanation:
Weight is a force, so we use newtons second law which states F=ma. So the weight of a watermelon on earth is 2kg x 9.81m/s², which is 19.62N (newtons). On the moon it weighs 2 x 1.63 which is 3.26N.
The weight of the pen is 0.02 x 9.81, which is 0.1962N. If the pen is not to fall the frictional force needs to be equal to this force,
so the answer is 0.1962N.
(Hope this helps can I pls have brainlist (crown)☺️)
5) Find the length of guitar string that would vibrate at a fundamental frequency of 825 Hz if the string is stretched so that the velocity of waves on the string is 580 m/s?
Áp dụng công thức tính độ dài ạ
I need help asap please
Will give BRAINLIST for correct answers only
Thank you
A force of 225 N at an angle of 30 degrees to the horizontal displacement. The component of the force that will cause work to be done is?
Answer:
225√3 N
Explanation:
225√3 N
microwave ovens emit microwave energy with a wavelength of 12.5 cm. what is the energy of exactly one photon of this microwave radiation?
Answer:
1.5891x10^-24
hope this helped :)
An electric fan rotates at 800rev/min.consider a point on the blade a distance of 0.16m from the axis, calculate the velocity of this point and it's centripetal acceleration
Answer:
A rotating fan completes 1200 revolutions every minute. Consider the tip of a blade, at a radius of 0.15 m.
Explanation:
The tangential velocity at the point, 0.16 m from the axis is 13.44 m/s.
We have the following information;
Angular speed of the blade = 800rev/min
Radius of the point under consideration = 0.16m
We have to convert the angular velocity to units of rad/s
Given that;
1 rev/min = 0.105 rad/s
800rev/min = 800rev/min × 0.105 rad/s/1 rev/min
= 84 rad/s
Now;
v = rω
v = Tangential velocity
r = radius
ω = angular velocity
v = 0.16m × 84 rad/s
v = 13.44 m/s
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Mete reading a cruise the sale and the bulb in the simple circuit above is the same explain what is the same and what is different in terms of energy
Answer:
:parallel
Explanation:
Potential difference is the difference in potential energy per charge between two different points in an electric circuit. Here is a simpler explanation:
Find the efficiency of a machine that does 800J of work if the input work is 2,000J
Answer:
Efficiency: 0.4 (40%)
Explanation:
The efficiency of a simple machine is given by the ratio
n = w¹/w²
where
w² is the input work of the machine
w¹ is the output work of the machine
For the machine in this problem, we have:
w¹ = 800j is the output work
w² = 2000j is the input work
Therefore, the efficiency of the machine is
n = 800/2000 = 0.4
Which can be also written as percentage:
n = 0.4 × 100 = 40%
hope it helps you
Which of the following is a true statement about learning?
A. Learning does not result in lasting change.
B. Learning happens through experience or practice.
C. Learning does not enable a person to continue to do something.
D. Learning involves activities that happen automatically.
Answer:
B. learning happens through experience and practice.
Trên bóng đèn có ghi là 12v -6w. Khi đèn sáng bình thường thì dòng điện chạy qua đèn có cường độ là
Answer:
I=P/U=6/12=0.5(A)
Explanation: P=UI ( CÔNG SUẤT = HIỆU ĐIỆN THẾ NHÂN VỚI C Đ D Đ)
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?
OPTIONS:
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.
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Answer:
C. She is not releasing the endorphins that she used to, and that impacts her sleep.
Explanation:
The best explanation for why Therese is having trouble sleeping is that she is not releasing the endorphins that she used to, and that impacts her sleep.
Hence, the correct option is C.
Endorphins are hormones that are released during exercise. They have mood-boosting and pain-relieving effects. When Therese stops exercising, she is no longer releasing as many endorphins, which can lead to moodiness and difficulty sleeping.
Option A is incorrect because exercise does not directly move oxygen through the blood. Instead, it increases the heart rate and breathing rate, which in turn increases the amount of oxygen that is delivered to the tissues.
Option B is incorrect because there is no evidence to suggest that Therese requires more exercise than most people to relieve stress. In fact, most people find that regular exercise can help to reduce stress levels.
Option D is incorrect because it is unlikely that Therese is not maintaining the healthy habits that she did when she was practicing. Lacrosse is a physically demanding sport, so it is likely that Therese is still eating healthy and getting enough sleep.
Therefore, the best explanation for why Therese is having trouble sleeping is that she is not releasing the endorphins that she used to, and that impacts her sleep.
Hence, the correct option is C.
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an atom with an overall negative charge is called?
Answer:
ANION is the answer
how many moons are in our galaxy if u count all the other planets moons?
Which of the following forces exists between objects even in the absence of direct physical contact
A. Contact force
B. Field force
C. Fundamental
Answer:
B. Field Force
Explanation:
Answer:
The Answer is (B) Your welcome!
Think about an object to which you have applied a force to change its velocity. Now think about an object that has a smaller or larger mass than that object. Answer the following prompt:
Describe a situation in which the force required to change the velocity of an object changes based on the mass of the object.
Describe a simple experiment you could perform that would generate data to provide evidence that the change in an object’s motion depends on either the forces on the object or the mass of the object.
Answer:
Explanation:
F=ma
1. Describe a situation in which the force required to change the velocity of an object changes based on the mass of the object.
Place both a volleyball and a bowling ball on the lower surface of an inclined plane (e.g., on an asphalt road going uphill). Roll each one up the hill and measure the difference in effort (force) each requires to start moving.
2. Describe a simple experiment you could perform that would generate data to provide evidence that the change in an object’s motion depends on either the forces on the object or the mass of the object.
Use a coiled spring to propel two objects above (volleyball and bowling ball) and observe both the distance and the velocity after leavging the spring.
Hey guys <3
I need some help with this performance task,, physics isn’t my strongest subject so help is much appreciated :)
(4/9 parts)
Answer:
like charges repelunlike charges attractsNEED HELP!!! IF YOU ANSWER ALL QUESTIONS I WILL GIVE YOU BRAINEST!!!!! 15 POINTS!!!!
1. How does Newton’s second law of physics apply to lifting weights?
A.
Lifting weights requires the proper form and net force.
B.
Without force or motion, the weights are an unbalanced force.
C.
It requires more force to move weights, and this builds muscles.
D.
Weights are an immovable object, and the force is provided by muscles.
2. Why would oxygen levels make a difference in athletic performance?
A.
Muscles need oxygen to function well.
B.
It is just one biometric that is studied.
C.
Oxygen is important for everyone, not just athletes.
D.
Athletes require less oxygen than those who are less active.
3. Which is an example of the study of physics and the human body?
A.
determining the optimum resting heart rate
B.
testing the impact of a car crash on the body
C.
calculating how to beat an existing sports record
D.
training warehouse workers on how to properly move boxes
4. The laws of motion do NOT apply to the human body.
A.
True
B.
False
PLEASE NO LINKS
Answer:
1 is A
2 is A
3 is B
4 is B
Explanation:
number three is a dead giveaway