Answer:
A
Explanation:
If an individual whose body composition has little fat and is naturally lean then they have a high metabolism, therefore the correct answer is option A.
What is exercise?The advantages of working out vary depending on the type of death a person experiences. Even if a person exercises, excessive sitting can cause a number of illnesses, many of which are fatal. The individual might also engage in mobile activities, in addition, to exercise to improve their fitness.
Any activity that involves bodily motions that increases a person's health, fitness, and well-being while reducing their chance of developing illnesses is considered exercise. It makes it possible for the person to maintain a healthy weight.
Therefore, if an individual whose body composition has little fat and is naturally lean then they have a high metabolism, therefore the correct answer is option A.
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why are astronauts weightless in the space station?
Answer:
Astronauts float around in space because there is no gravity in space. Everyone knows that the farther you get from Earth, the less the gravitational force is. Well, astronauts are so far from the Earth that gravity is so small. This is why NASA calls it microgravity.
Explanation:
How much power does it require to do 200 J of work in 5 s?
Answer:
soln
work done= 200J
Time taken = 5 sec
power=?
We know that,
power=w/t
= 2000/5
= 400W
Explanation:
hopw this will help you
What happens to the density of a fluid as it temperature increases/decreases?
16. After a crime scene has been photographed, the field inspector will collect and package the * O circumstantial evidence O scientific method O physical evidence O individual characteristics
The physical evidence are the silent witnesses against the perpetrators of a crime
The correct option of what the field inspector packages after the crime scene has been photographed is the option;
Physical evidenceReason:
Physical evidence are evidence that originate from inanimate objects or origin that is nonliving, and includes every material or object that serve as an indicator that someone has committed a crime, or that can link a perpetrator to crime
Examples include; Documents, hair, skin, fingerprints, weapons, soil, or fibers
The field inspector, collects the evidence that shows that a crime has been committed which are the physical evidence, after the crime scene has been photographed
Therefore, the correct option is; Physical evidence
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Which form of energy provides power for a gas stove?
A. nuclear energy
B. electrical energy
C. chemical energy
D. sound energy
Answer:
The gas, which is usually a hydrocarbon fuel, provides the energy. So when the fuel burns with oxygen in the air, it creates heat energy.
Explanation:
Therefore, chemical energy in carbon is released during the combustion process. Carbon dioxide is created, because the carbon-oxygen chemical bonds in the carbon dioxide form which releases heat.
Hope this helps! Have a good day :)
An object is traveling at a constant velocity of 8 m/s when it experiences a constant acceleration of 3.5 m/s2 for a time of 40 s. What will its velocity be after that acceleration? *
Answer:
140 m/s
Explanation:
v = u + at
v = 8 + 3.5(40) = 140 + 8 = 140
In an electron cloud, an electron that is closer from the nucleus has?
Answer:
It should be less energy
Explanation:
The further away from the nucleus, the more it holds, correct? So those closer to the nucleus hold less electrons. So therefore, the ones that are closer must have more energy than the outer electrons.
which transition will lead to the emission of light with longer wavelength?
Answer:
(C)
Explanation:
its C ok
The transition that will lead to the emission of light with longer wavelengths is n = 3 to n = 2. The correct option is c.
What is the emission of light?The largest energy change, and hence the shortest wavelength, x nm, would occur during the transition from the highest to the lowest energy levels. When an electron moves from the n = 5 to the n = 1 level, an atom emits yellow light.
The Bohr model of the atom is named for Niels Bohr, who created a model of the electron in which electrons were arranged into energy levels using observations of atomic spectra.
Because electrons can only exist in the energy levels and not in the intermediate states, they must absorb or emit a certain amount of energy to change energy levels.
Therefore, the correct option is c. n = 3 to n = 2.
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The question is incomplete. Your most probably complete question is given below:
a. n = 1 to n = 3
b. n = 4 to n = 3
c. n = 3 to n = 2
d. n = 3 to n = 1
e. n = 2 to n = 3
will give correct answer brainliest
Which factors below will increase the momentum of a rolling ball of constant mass m? (Select only the answers that will increase the momentum of the ball.) Moving from a flat surface to moving downhill. Colliding with a ball of much lower mass moving in the opposite direction of the ball. A moving object traveling in the same direction as the ball colliding with it. Rolling uphill onto an inclined surface. Rolling onto a surface with high amounts of friction with the ball.
In order to increase the momentum of the ball, you have to increase its speed.
The first and third choices on the list ('A' and 'C') will do that.
The factors that will increase momentum of a rolling ball are:
A. Moving from a flat surface to moving downhill.
C. A moving object traveling in the same direction as the ball colliding with it.
Factors that increase momentum:The gravitational power of the Earth ready makes the ball speed up, and in this manner pick up speed.
If you increase either mass or velocity, the momentum of the object increases proportionally.
Thus, the factors that increase the momentum of a rolling ball are
A. Moving from a flat surface to moving downhill.
C. A moving object traveling in the same direction as the ball colliding with it.
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if a hot air balloon is seen rising above the top of a hill, what is the top of the hill called?
Answer:
If you see that a hot-air balloon is rising above the top of a hill, what is the top of the hill called?
A. delta point
B. distance system
C. coordinate system
D. reference point
It is reference pointhope it helps :)
Which best describes why projectiles move in a curved path?
A) They have constant horizontal velocity and vertical acceleration.
B) They have horizontal acceleration and constant vertical velocity.
C) They have horizontal momentum and constant vertical velocity.
D) They have horizontal acceleration and vertical momentum.
Answer:
A. The have horizontal velocity and vertical acceleration.
Explanation:
Projectiles move in a curved path because : ( A ) They have constant horizontal velocity and vertical acceleration
Projectile movementProjectiles move in a curved path due to constant horizontal velocity and vertical acceleration due to gravity that acts on it. Projectile movement starts when an object is thrown/projected into the air. The object thrown into the air will travel in a curved path known as trajectory.
Hence we can conclude that Projectiles move in a curved path because They have constant horizontal velocity and vertical acceleration.
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1. What is the diameter of Mars?
2. What is primary component of Mars’ atmosphere?
3. Why is Mars red?
3. The simple explanation for the Red Planet's color is that its regolith, or surface material, contains lots of iron oxide — the same compound that gives blood and rust their hue. ... It does have an iron core, but abundant iron exists in its upper layers, also.
how to turn off check engine light to pass emissions
Answer:
you must connect a radar reader under the steering wheel and clear it
Explanation:
what is an asteroid called that is smaller than a couple meters wide?
Answer:
Meteoroids
Explanation:
Meteoroids are significantly smaller than asteroids, and range in size from small grains to one-meter-wide objects. Objects smaller than this are classified as micrometeoroids or space dust.
The term by which an asteroid called is smaller than a couple of meters wide is a meteorite.
What are meteorites?A meteorite is a small group of rocks and debris. They are made by the collection of dust and small pebbles. They are smaller than asteroids, and they are formed in outer space, and they fall on earth from outer space, and when they fall into the earth with that great speed, they attain heat.
Meteorites also consist of metals, like nickel, carbides, sulfides, etc. It has been said that in old times the meteorite that contain iron, fall into the earth and the iron from them melted into the core of the earth. They are of different shapes and sizes.
Thus, the term by which an asteroid called is smaller than a couple of meters wide is a meteorite.
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How many electrons have been removed from a positively charged electroscope if it has a net charge of 6x10-11?
pls help !!!
How much negative charge has been removed from a positively charged electroscope if it has a charge of 7.5x10-11C?
If C is Coulombs then, −1 C is equivalent to the charge of approximately 6.242×10^18 electrons.
You already gave the answer: -7.5x10–11C
It is like asking: What colour is my white horse?
Now if you want to know how many electrons have been removed, then multiplying the number of electrons in a coulomb by the coulombs you have, you get 4.6815 x 10^8 electrons. Which is almost the same answer as before.
3.7 x 10^8 electrons are removed from a positively charged electroscope.
The magnitude of charge carried by one electron is 1.602 x 10^-19 C
From the question, we can see that the net charge on the electroscope is 6 x 10^-11 C
Given that;
6 x 10^-11 = 1.602 x 10^-19 n
Where n is the number of electrons removed from a positively charged electroscope
Therefore;
n = 6 x 10^-11/ 1.602 x 10^-19
n = 3.7 x 10^8 electrons
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How much energy is required to take 500g of ice at -40 degrees to water at room temperature (22 degrees Celsius)? Show work pls
Answer: Given that:
Mass (m) = 20 g = 0.02 Kg,
temperature (T₁) = -10°C = -10+273 = 263 K
temperature (T₂) = 10°C = 10+273 = 283 K
Specific heat of water (Cp) = 4.187 KJ/Kg k
We know that Heat transfer (Q) = m. Cp.( T₂ - T₁)
= 0.02 × 4.187 × (283-263)
Q = 1.67 KJ
Heat transferred is 1.67 KJ
Explanation:
A car begins from rest and accelerates at a rate of +3.0 m/s^2 for 5.0 seconds.
a. Determine the car's final speed.
b. Calculate the car's average speed during its trip
Answer:
a)15m/s
b)7.5m/s
Explanation:
a)use the formula for acceleration
b)calculate distance then calculate speed
If a virus were to infect and destroy only the chloroplast in a cell, how would that affect plants cells ability to make ATP
Answer:
por ver cp
Explanation:
sisisi cp osea caldo de pollo
why is space black if there is light coming from everywhere?
please help i'll mark the brainlest
What are two projects that X decided to "kill"? Why did they abandon these projects
sorry,pls I don't understand
Sean, an astronaut stands on the edge of a lunar crater and throws a Frisbee™ horizontally with a velocity of 5.00 m/s. With no atmosphere on the moon the Frisbee ™ will not have any force of lift so it will “fly” like a stone. The floor of the crater is 77.0 m below the astronaut. What horizontal distance will the Frisbee™ travel before hitting the floor of the crater? (The acceleration of gravity on the moon is 1/6th that of the Earth).
Answer:
48.55mm
Explanation:
9 The diagram shows a uniform beam PQ. The length of the beam is 3.0 m and its weight is 50 N. The beam is supported on a pivot 1.0 m from end P. A load of weight W is hung from end P and the beam is in equilibrium. What is the value of W ? A 25 N B 50 N C 75 N D 100 N
equilibrium = 1/1
50 N/x = 1/1
x = 1/1 × 50 N
x = 50 N (B)
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Answer: D 100N
Explanation: Subtract the length of the beam by the pivot and multiply the weight by it.
help me out please
A 0.5 kg rock and a 150 kg boulder were dropped from a cliff 65 meters high. Which one would hit the ground first ignoring air resistance?
a ball is thrown at an original speed of 8.0 m/s at an angle of 35° above the horizontal. if there is no air resistance, what is the speed of the ball when it returns to the same horizontal level?
The speed of the ball when it returns to the same horizontal level is 8 m/s.
The given parameters;
initial speed of the ball, u = 8 m/sangle of projection, θ = 35⁰During the motion of a projectile, the speed of the projectile reduces as the projectile moves upwards and eventually becomes zero at the maximum height.
As the projectile moves downwards, the speed of the projectile starts to increase and it will become maximum (equal to the initial speed) before the projectile hits the ground.
Thus, we can conclude that the speed of the ball when it returns to the same horizontal level is 8 m/s.
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6. A surface receiving sound is moved from its original position to a position three times fa
received sound thus becomes
O A. three times lower
O B. nine times lower.
O C. three times higher.
O D. nine times higher.
Answer: Answer is D
Explanation:
A surface receiving sound is moved from its original position to a position three times farther away from the source of the sound. The intensity of the received sound thus becomes nine times as low.
A surface receiving sound is moved from its original position to a position three times farther away from the source of the sound. The intensity of the received sound thus becomes nine times lower . Option(B) is correct.
What is intensity of sound?The power of sound per unit area is used to define sound intensity. The measurement of sound intensity in the air is the typical context. The surface of the sound source also plays a role. The kinetic energy of the mass of air is produced by the source's and the vibrating surface's increasing amplitudes.
With the air's mass vibrating and with its average speed, this kinetic energy rises. The distance from the sound source affects how strongly the ear perceives a sound. The characteristics of the elastic medium between a sound source and the ear also affect intensity. The sounds are weakened by non-elastic materials like wool, felt, etc.
Mathematically: sound intensity = acoustic pressure/normal area to the direction of propagation.
So, when a surface receiving sound is moved from its original position to a position three times farther away from the source of the sound, its normal area becomes 9 times larger and intensity of the received sound thus becomes nine times lower .
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explain hydraulic car jack with diagram
Answer:
what diagram
Explanation:
How can we show magnetic field lines?
Answer:
Magnetic field lines are defined to have the direction that a small compass points when placed at a location. (a) If small compasses are used to map the magnetic field around a bar magnet, they will point in the directions shown: away from the north pole of the magnet, toward the south pole of the magnet.
Explanation:
have a beautiful day ahead
Magnetic fields can be mapped out using small plotting compasses : place the plotting compass near the magnet on a piece of paper. move the plotting compass to many different positions in the magnetic field, marking the needle direction each time. join the points to show the field lines.
water being turned into ice cubes in a freezer is an example of _____.
Answer:
an exothermic process and the change in enthalpy, ΔH, will be a negative number
Water is turned into ice cubes in a freezer is an example of an exothermic process.
What is an exothermic process?An exothermic process can be described as a thermodynamic process or reaction that releases energy from the system to its surroundings, usually in the form of heat, light, or sound.
While an endothermic process is an opposite of an exothermic process where the heat absorbs energy usually in the form of heat. In the physical sciences of chemical reactions, the chemical bond energy is changed into thermal energy (heat).
In exothermic reactions, the heat that is liberated by the reaction occurs the form of the kinetic energy of molecules. The transition of electrons from one energy level to another leads light to being released. This light is equal to the stabilization energy of the energy for chemical reaction.
The freezing of water is an exothermic process as the water becomes solid it releases energy to the surroundings.
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I need help filling this in
Answer:
smaller and further from
Explanation:
Pass light through something clear and light, you'll most likely be able to see all of it's rays spread out, the "normal." Now, pass it through something dense, the amount of light will shrink, therefore be further from the "normal."
if a 5,000 investment earn $1,575 interest over over 18 years what is the annual interest rate
Answer:
I = 1575 / 5000 = 31.5 % interest on investment
(1 + i)^18 = 1.315 where i interest is earned per year
One can use logs or
1 + i = 1.315^1/18 = 1.0153
So the annual interest rate is .0153 or 1.53%
Or
5000 (1 + i)^18 = 6575
(1 + i)^18 = 1.315
18 log (1 + i) = log 1.315
log (1 + i) = .006607
1 + i = 1.0153
i = .0153 = 1.53%