Answer:
I know for sure that it's either A or B have a great day sorry I don't know which one completely
is a rare disorder that includes the inability to feel pain.
A. Somatoform pain disorder
B. Congenital analgesia
C. Kinesthesis
D. Anesthesia
Please select the best answer from the choices provided
Ο Ο Ο
B.
D
The rare disorder that includes the inability to feel pain is called Congenital analgesia. That is option B.
What is Congenital analgesia?Congenital analgesia is defined as ,the name implies, a genetic disorder that rarely occurs which makes one not to be able to feel pain.
It is an autosomal recessive disorder in which there is genetic changes in the PMRD12 gene.
Therefore, the rare disorder that includes the inability to feel pain is called Congenital analgesia.
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A car manufacturer wants to change its car’s design to increase the car’s acceleration. Which changes should the engineers consider making to the design? increase the force that the engine provides decrease the force that the engine provides increase the mass of the car decrease the mass of the car increase the top velocity the car can travel decrease the top velocity the car can travel
Answer:
I. increase the force that the engine provides.
II. decrease the mass of the car
Explanation:
Newton's Second Law of Motion states that the acceleration of a physical object is directly proportional to the net force acting on the physical object and inversely proportional to its mass.
Mathematically, it is given by the formula;
Force = mass * acceleration
[tex] Acceleration = \frac {Force}{mass} [/tex]
In this scenario, a car manufacturer wants to change its car’s design to increase the car’s acceleration. Thus, the changes the engineers should consider making to the design is to increase the force that the engine provides and decrease the mass of the car.
Answers:
increase the force that the engine providesdecrease the mass of the carincrease the top velocity the car can travelWhy would you consider Joule’s early experiments with electric motors important even though he did not
achieve his goal?
Answer:
It counts as a learning experience
Explanation:
He can learn from his mistakes and take important steps to achieve his goal In the future.
Setting objectives can lead to better direction, enhanced attention, higher levels of motivation, and increased productivity. You may change your behaviours, mindset, confidence, and daily activities by setting clear, measurable goals.
What important even though achieve his goal?More essential than monetary or material rewards is achievement. Greater personal satisfaction comes from completing the task or reaching the goal than from being praised or recognized.
Additionally, crucial is commitment. It is less probable that you will succeed if you don't give your aim your all. This enables you to change your future expectations and strategy.Feedback enables you to discover your strengths and weaknesses.
Therefore, people who are driven by achievement are always looking for methods to do things better.
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The graph shows the amplitude of a passing wave over time in seconds (s) What is the approximate frequency of the wave shown? A. 6 Hz B. 0.2 0.4 Hz
Answer:
0.2 I took the test
Explanation:
I took the test
The time period of the whole wave cycle is 6 seconds but the time period of one complete wave is about 4 seconds here. The inverse of this time period is the frequency, that is 0.2 Hz.
What is frequency ?Frequency by definition is the number of events per unit time. Frequency of a wave is the number of wave cycles in one second. It is the inverse of the time period.
Frequency is directly related to the energy of the wave. As the frequency increases, energy of the wave also increases. In the given graph the wave cycle is given for a time of 6 seconds.
The time period for one complete wave is 4 second from the graph.
thus, T = 4 s
v = 1/T
= 1/4 = 0.2 s⁻¹ or 0.2 Hz
Therefore, the frequency of the wave shown, is 0.2 Hz.
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These are the reactant in a chemical equation: 6 CO2 + 6 H2O --> C6H12O6 + 6 O2
Answer:
Carbon Dioxide and Water.
Explanation:
This is the chemical formula for photosynthesis!
Why sound waves are called mechanical waves
Answer:
Because they travel by interacting within other particles.
Explanation:
Sound cannot travel in a vacuum, sound waves need to interact with other particles in order to be carried and this makes sound waves a mechanical wave.
AFTER a ringing tuning fork passes very quickly in front of a stationary observer...
a) The sound waves are equally spaced out
b) The sound has a lower pitch
c) The sound waves have equal amplitudes
d) all could apply
the driver of the bus brought the students to the playground and returned to the garage on the same road when the bus engine was doing more work: A when the students were driving: B when they returned to the garage, explain why
Answer: A driver must not drive a vehicle at such a slow speed ... When driving under adverse weather, road or traffic ... before the school bus stops to pick up or let off students
Explanation:
hope this helps :)
. Rohit had only one light source in his room. He was told by his friend that he can make the room more lighted by using mirror. What type of mirror can be used for the purpose?
Answer:
very smooth and polished glass mirror
Explanation:
The best type of mirror for this would be a very smooth and polished glass mirror. A metal mirror will also work but it would need to be extremely polished. This would allow light to efficiently be reflected across the room, thus effectively adding an "extra" light source to the room. If the mirror is not smooth then the light may become distorted and not reflect properly as it is supposed to. This may defeat the entire purpose of the mirror for this scenario.
How are clouds related to water vapor and water droplets?
A.Water vapor in the air condenses to form tiny water droplets, and these water droplets make up clouds.
B.Water vapor in the air makes up clouds, but water vapor does not condense to form tiny water droplets that make up clouds.
C.Water vapor in the air condenses to form tiny water droplets, but the water vapor and water droplets do not make up clouds.
D.Water vapor in the air stays in the air as water vapor. The water vapor does not make up clouds, and it does not condense to form tiny water droplets.
Answer:
A!!!!!!!!!!!!!!!!!!!!!!!!!!!!
A washing machine spin dries clothes. It starts spinning at 20 rad/s and slows down to 8 rad/s while turning through 500 revolutions.
a. What is the angular acceleration?
b. How much time does it take to slow down?
Answer:
i do not know man
Explanation:
lol
The angular acceleration of the washing machine spin is 53.5 x 10⁻³.
What is meant by angular acceleration ?Angular acceleration is defined as the time rate of change of angular velocity in a circular motion.
Here,
Initial angular velocity, ω₁ = 20 rad/s
Final angular velocity, ω₂ = 8 rad/s
Angular displacement, θ = 2[tex]\pi[/tex] x no. of revolutions
θ = 2[tex]\pi[/tex] x 500 = 1000[tex]\pi[/tex]
a) Using the equation of circular motion,
ω₂² - ω₁² = 2αθ
Therefore, the angular acceleration,
α = (ω₂² - ω₁²)/2θ
α = (20² - 8²)/2 x 1000[tex]\pi[/tex]
α = 53.5 x 10⁻³ rad/s²
b) Time taken by the machine spin to slow down,
t = (ω₂ - ω₁)/α
t = (20 - 8)/53.5 x 10⁻³
t = 224.2 s
Hence,
a) The angular acceleration of the washing machine spin is 53.5 x 10⁻³.
b) Time taken by the washing machine spin to slow down is 224.2 s.
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A mass sitting on a horizontal, frictional surface is attached to one end of a spring; the other end is fixed to a wall. 3.0 J of
work is required to compress the spring by 0.20 m. If the mass is released from rest with the spring compressed, it
compresses a maximum acceleration of 15 m/s?.
a) Determine the spring constant.
b) Determine the mass.
d) What is the velocity when the mass reaches maximum acceleration?
c) Deterinine the net force when the mass passes 0.10m compression
d) Determine the acceleration when the mass passes 0.10m compression.
e) Determine the velocity when the mass passes 0.10m compression
Answer:
I started answering this before everything was erases, but briefly
W = 1/2 K x^2 so K = 2 W / x^2 = 6 * 25 = 150
Also F = - K X = 150 * 1/5 = 30 N at max extension
m = F / a = 30 /15 = 2 kg
Since max extension occurs at t = 0 you can write
x = A sin ω t
v = ω A cos ω t
a = -ω^2 A sin ω t note that there is no phase angle here
Also at .1 compression
.1 = .2 sin ω t and sin ω t = 1/2 and ω t = 30 deg = pi / 6
Substiture these values above to get velocity and acceleration when
ω t = 30 deg
pulling a 15 kg mass from a bucket from a depth of 6 meters well a man shook 20 sec what was his power
Answer:
power=44.1 watts
Hope it helped
PLS mark BRAINLIEST
14. Saeed is pulling a 6 kg heavy rock with an upward force of 40 N but does not succeed to lift it up. What is the magnitude of the normal force on the rock?
Answer:
58.8 N
Explanation:
The normal force is calculated as equal to the perpendicular component of the gravitational force.
Thus; N = mg
We are given m = 6 kg
Thus;
N = 6 × 9.8
N = 58.8 N
Thus, magnitude of normal force on the rock = 58.8 N
Empujamos un baúl 3 metros, para ello aplicamos una fuerza de 200 Newton. ¿Cuál es el trabajo realizado?
Answer:
Trabajo realizado = 600 Nm
Explanation:
Dados los siguientes datos;
Fuerza = 200 Newton
Distancia = 3 metros
Para encontrar el trabajo realizado; Trabajo realizado = fuerza * distancia
Sustituyendo en la ecuación, tenemos; Trabajo realizado = 200 * 3
Trabajo realizado = 600 Nm
Think of one obstacle that you know YOU CAN, YOU WILL, & YOU MUST overcome.
Answer:
myself tbh
Explanation:
hope this helps
Answer: Depression and myself, love life
Hope this helps have a awesome day❤️✨Explanation:
Five independent measurements are made of the diameter of a cylinder. Results, in mm, are: 21.8; 21.6; 22.1; 21.9; 22.1. What should be the reported value of the cylinder's diameter?
Answer: 21.9 mm
Explanation:
Given that five independent measurements are made of the diameter of a cylinder. Results, in mm, are: 21.8; 21.6; 22.1; 21.9; 22.1. What should be the reported value of the cylinder's diameter?
The measurement of the diameter of cylinder is measured several time in order to reduce the uncertainty called random error.
The reported value of the cylinder's diameter should be the average or the mean value of the whole measurement.
That is
Mean = (21.8 + 21.6 + 22.1 + 21.9 + 22.1) ÷ 5
Mean = 109.5 ÷ 5
Mean = 21.9 mm
Therefore, the reported value of the cylinder diameter will be 21.9 mm
Objects that are able to roll have what type of energy?
A. potential
B. mechanical
C. thermal
D. chemical
In order to increase the final momentum of a golf ball, we could
a) follow through when hitting the ball
b) increase the force acting on it
c) increase the time of contact with the ball
d) swing as hard as possible
f) All of the above
Answer:
option f) all of the above
We will see that all of the given options would increase the momentum, so the correct option is f "all of the above"
How to increase the momentum?
Momentum is defined as the amount of motion, and it is given by:
P = m*v
Where m is the mass of the object and v is the velocity.
We can't change the mass of the golf ball, but we can change the velocity, and to do it, we need to increase the acceleration that we apply to the ball.
To increase the acceleration we can:
follow through when hitting the ball (the force is applied for more time, so the acceleration is larger).increase the force acting on it (it directly increases the acceleration).increase the time of contact with the ball (similar to the first option).swing as hard as possible (similar to the second option).Then all the options are correct, which means that the correct option is f.
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A box of mass 5.0 kg is initially at rest. A 500 N force causes it to move horizontally through a
distance of 12.00 m. How much work would there be?
Answer:
Workdone = 6000Nm
Explanation:
Given the following data;
Mass = 5kg
Force = 500N
Distance = 12m
To find the work done;
Workdone = force * distance
Workdone = 500 * 12
Workdone = 6000Nm
A 55 kg boy is riding a skateboard at a speed of 1.0 m/s. What is his
kinetic energy?
Answer:
27.5
Explanation:
KE=1/2m(v)^2
HELP PLEASE
44. Two wave pulses are traveling along a string
toward each other as represented in the diagram
below.
(D is interference)
The phenomenon of interference occurs when two wave pulses are traveling along a string toward each other. Option D is correct.
What is the interference of waves?The result of two or more wave trains flowing in opposite directions on a crossing or coinciding pathways. This phenomenon is known as the interference of waves.
The effect is the sum of the individual wave amplitudes at each site where more than one wave is present.
When two wave pulses are traveling along a string toward each other. They meet and the phenomenon is occur known as interference.
Hence the phenomenon of interference occurs when two wave pulses are traveling along a string toward each other.
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Use the following information about Earth and its moon to determine the distance between them. Earth's mass = 6.0 x 1024 kg Moon's tangential speed = 1,025 m/s Earth's radius = 6.4 x 10 m Moon's mass = 7.3 X 1022 kg 4.6 x 106 m O 3.8 x 108 m O 3.9 x 1011 m
Answer:
3.8 × 108 m
Explanation:
Use formula: v^2 = G x m central / r
G = 6.77 e-11
Also, it was right on Edge.
Good luck!
The distance between Earth and its moon is 3.8×10⁸ m.
What is centripetal force?
A force that causes a body to follow a curved path is known as a centripetal force. It always moves in a direction that is the opposite of the body's velocity and in the direction of the immediate center of curvature of the path.
It is "a force by which bodies are dragged or driven, or in any manner tend, towards a point as to a center," according to Isaac Newton.
Given parameters:
Mass of the Earth: M = 6.0 × 10²⁴ kg.
Mass of the moon: m = 7.3 × 10²² kg.
Moon's tangential speed: v = 1,025 m/s
Let the distance between the center of Earth and the moon is r.
Hence,
GMm/r² = mv²/r
r = GM/v²
= 6.7 × 10 ⁻¹¹ × 6.0 × 10²⁴ / (1,025)²
= 3.82×10⁸ m.
Hence, by subtracting Earth's radius = 6.4 x 10⁶ m, we get, the distance between Earth and its moon is 3.8×10⁸ m.
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1) A 2.5 kg ball strikes a wall with a velocity of 8.5 m/s to the left. The ball bounces off with a
velocity of 7.5 m/s to the right. If the ball is in contact with the wall for 0.25 s, what is the
constant force exerted on the ball by the wall?
Answer:
Force = -10 Newton.
Explanation:
Given the following data;
Initial velocity = 8.5m/s
Final velocity = 7.5m/s
Time = 0.25 seconds
Mass = 2.5kg
To find the force exerted;
First of all, we would determine the acceleration of the ball;
Acceleration = (v - u)/t
Acceleration =(7.5 - 8.5)/0.25
Acceleration = -1/0.25
Acceleration = -4 m/s²
Now, to find the force exerted;
Force = mass * acceleration
Force = 2.5 * -4
Force = -10 Newton
Note: The force is negative because it is an opposite reaction.
Which of the following instruments measures time most accurately?
a. Sundial
b. quartz watch
c. pendulum clock
d. watch with balance wheel
Answer:
b) Quartz Clock
Explanation:
It's is a very type of clock which uses the vibration of quartz crystals to measure time accurately
PLS HELPPP!! ITS DUE TODAY!
I will make brainliest!
Answer the following question:
Which process is an example of a physical change?
a. carrots are cut into small pieces and mixed into a salad
b. a peanut butter sandwich is eaten and broken down by enzymes in the stomach
c. sodium metal and chlorine gas are combined to form a sodium chloride, or table salt
d. sodium metal and water are combined to form a basic compound and a flammable gas
A body vibrates 100 times in 20 seconds. Find its frequency and time period.
plz answer this its urgent
Answer:
Vibrates 5 times a / every second
Explanation:
Explain why a charged body loses its charge if we touch it with our hand?
if u answer me I can give u brainliest ☺️
Answer:
Explanation: A charged body loses its charge when we touch it with our hand because some of the charge flows through our body to the ground earthing. As a result the charge on the body decreases every time we touch it. This is because of earthing.
Explanation:
yw .
Explanation:
When we touch a charged body, it loses its charge, due to the process of earthing. Our body is a good conductor of electricity. It transfers the charges to the earth
is there a gravitational force of attraction between your phone and the earth?
What is the main force that must be overcome in order to push an object
along a horizontal surface?
Answer: Friction
Explanation:
Friction and the normal force would be the two initial forces to overcome.
Answer: Friction
Explanation: The object must be pushed along which will create friction which nmust be overcome.