If you were to stand up and sprint as fast as you could for about 10 seconds, your body would primarily rely on stored carbohydrates (in the form of glycogen) as the main fuel source.
During high-intensity activities such as sprinting, the body's demand for energy increases rapidly. To meet this increased demand, the muscles break down glycogen into glucose, which is then converted into ATP (adenosine triphosphate), the primary energy currency of the cell.
In addition to glycogen, a small amount of fat may also be used as a fuel source during sprinting, but at such a high intensity, carbohydrates are the primary energy source.
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Please select the best answer from the choices provided
A
B
C
D
Answer:
D hope this helps plz mark brainliest
Explanation:
The net force is 180 and the mass is 1.793 what is the acceleration
Answer:
100.390407
Explanation:
To find acceleration, you would use the formula a=f/m (acceleration equals force divided by mass) and then once you enter those numbers in the formula, a=180/1.793. Then you divide 180 divided by 1.793 which gets you an answer of 100.390407.
On a day with complete cloud cover, what happens to the visible light headed toward Earth?
(a) The clouds reflect much of it back to space, though some still reaches the surface.
(b) It is absorbed by the clouds, which causes the clouds to heat up.
(c) It reaches the surface just as it does on a cloudless day.
On a day with complete cloud cover, the visible light headed toward Earth: The clouds reflect much of it back to space, though some still reaches the surface.
When the sun shines, the Earth's atmosphere scatters it in all directions. This is why certain sections of the Earth appear brighter than others during the day—the Sun's light has been reflected off of the ground and other objects. When the planet is completely clouded over, no light reaches Earth at all. The term "nowhere" refers to the fact that there is no such thing as a sunrise since there is no such thing as a dawn. On a cloudy day, visible light directed toward the earth is misdirected and darkened by the clouds. This is due to the fact that shorter wavelengths of visible light scatter more than longer wavelengths. Rayleigh scattering is the name given to this phenomena.
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Q.6 Explain conceot of magnetization
Answer:
Magnetization is the density of magnetic dipole moments that are induced in a magnetic material when it is placed near a magnet. ... Magnetization is also known as magnet polarization.
Find the change of mass (in grams) resulting from the release of heat when 1 mol CO2 is formed from the elements C(s) 02(9CO2(9); AH--394 kJ Change of mass-
The change in mass resulting from the release of heat when 1 mole of CO2 is formed can be determined using the concept of the law of conservation of mass.
Since CO2 is formed from its constituent elements, carbon (C) and oxygen (O2), the change in mass is zero. This is because the mass of the products (CO2) is equal to the sum of the masses of the reactants (C and O2) according to the law of conservation of mass.
According to the law of conservation of mass, mass is neither created nor destroyed in a chemical reaction. In the given reaction where 1 mole of CO2 is formed from the elements C and O2, the total mass of the reactants must be equal to the total mass of the products.
The molar mass of carbon (C) is approximately 12 g/mol, and the molar mass of oxygen (O2) is approximately 32 g/mol (16 g/mol per oxygen atom). Therefore, the total mass of the reactants (C + O2) is 12 g/mol + 32 g/mol = 44 g/mol.
Similarly, the molar mass of carbon dioxide (CO2) is approximately 44 g/mol (12 g/mol for carbon + 32 g/mol for two oxygen atoms). Thus, the total mass of the products (CO2) is also 44 g/mol.
Since the total mass of the reactants and products is the same, there is no change in mass during the formation of 1 mole of CO2. Therefore, the change in mass resulting from the release of heat in this reaction is zero grams.
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Red shift and light spectra
Answer:
what I do not understand :(
the path of an object through 4-dimensional spacetime is called its:____
The path of an object through 4-dimensional spacetime is called its world line. A world line is a mathematical representation of the motion of an object through 4-dimensional spacetime, which includes the three dimensions of space and the fourth dimension of time.
It is a one-dimensional curve that starts at a point in spacetime and ends at another point in spacetime, tracing the object's path through time. Each point on a world line corresponds to a specific moment in time and a specific position in space. The world line of an object can be represented graphically as a line on a 4-dimensional coordinate system, with each point on the line representing a different moment in time.
World lines are used in many areas of physics, including special and general relativity, which describe the behavior of objects in the presence of gravity. In these theories, the world line of an object is used to calculate its motion and the effects of gravity on its motion.
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On which planet can you jump about the same height as Earth? Explain your answer.
Answer:
Venus
Explanation:
Venus and earth have a similar gravitational pull because they are almost the same size (venus is slightly smaller) and because of the similar mass.
what is a normal force?
Describe the difference between potential and kinetic energy
Answer:
Explanation:
Kinetic energy involves motion so something that is not moving has zero kinetic energy.
Potential energy does not involve motion and is based on position in a field like gravity and magnetic.
A 500 lb steel beam is lifted up by a crane to a height of 100 ft and is held there. (a) How much work is being done to hold the beam in place? - More than 5000 lb-ft - 5000 lb- ft - No work is done to hold it in place - Less than 5000 lb-f (b) How much work was done to lift the beam?
(c) How much work would it take if the steel beam were raised from 100 ft to 200 ft?
a) No work is being done to hold the beam in place.
b) The work done to lift the beam is 50,000 lb-ft.
c) The total work required to lift the beam from the ground to a height of 200 ft would be 100,000 lb-ft.
(a) The work done on an object is equal to the force applied to the object multiplied by the distance the object moves in the direction of the force. In this case, the crane is holding the beam in place, so the beam is not moving in the direction of the force applied by the crane. Therefore, no work is being done to hold the beam in place.
B) In this case, the crane is holding the beam in place, so the beam is not moving in the direction of the force applied by the crane. Therefore, no work is being done to hold the beam in place. This can be calculated by multiplying the weight of the beam (500 lb) by the distance it is lifted (100 ft): 500 lb x 100 ft = 50,000 lb-ft.
c) The work required to raise the beam from 100 ft to 200 ft would be an additional 50,000 lb-ft. This is because the work required to lift an object is proportional to its weight and the distance it is lifted. Since the weight of the beam and the lifting distance each double, the work required to lift the beam from 100 ft to 200 ft is twice the work required to lift it from 0 ft to 100 ft, or 50,000 lb-ft. Therefore, the total amount of work required to raise the beam from the ground to a height of 200 feet is 100,000 lb-ft.
Work is defined as the energy transferred to or from an object when a force is applied over a distance. In this scenario, the crane is applying a force to the steel beam to lift it up to a certain height. The work done to lift the beam is equal to the force applied by the crane multiplied by the distance the beam is lifted.
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What questions do you still have about supermassive black holes after watching this Ted Talk? Do you feel that you have a deeper understanding of what they are and why they are important, like was asked of you in the third question? Explain and discuss.
After watching the Ted Talk, there were still a few questions that I had about supermassive black holes. Firstly, I wanted to know more about the event horizon and what it exactly entails. Although the speaker briefly touched upon this subject, I would have appreciated a more in-depth explanation. Additionally, I would have liked to know more about the role of supermassive black holes in the universe.
While the speaker did mention that these black holes are responsible for the creation of galaxies, I wanted to know more about how this process works and why it is so important.Despite these questions, I do feel that I have a deeper understanding of supermassive black holes and their importance.From the Ted Talk, I learned that supermassive black holes are some of the largest objects in the universe and are essential for the formation of galaxies. I also learned that these black holes are incredibly powerful and have the ability to affect the trajectory of stars and planets.Overall, I think that the Ted Talk did a great job of explaining supermassive black holes in a way that was easy to understand. While there were still a few questions that I had after watching the video, I feel that I now have a better grasp of what supermassive black holes are and why they are so important.For such more question on supermassive
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Is called radiogenic heat?.
Within the subject of technology, radiogenic heat may be described because of the type of warmth that is released when radioactive isotopes disintegrate. consequently, we say that the thermal strength is launched by means of the nuclear disintegration of the radioactive isotopes.
Approximately 50% of the Earth's inner warmness originates from radioactive decay. four radioactive isotopes are chargeable for the general public of radiogenic warmness because of their enrichment relative to different radioactive isotopes uranium-238 (238U), uranium-235 (235U), thorium-232 (232Th), and potassium-40 (40K).
Radioactive heating refers back to the power dissipated within the interiors of planets, satellites, or asteroids as a consequence of the radioactive decay of radioactive isotopes (see radiochemistry). Radioactive isotopes are characterized by their decay energies and their half-lives.
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Convection takes place because
Explanation:
the particles in liquids and gases move faster when they are heated than they do when they are cold. As a result, the particles take up more volume.
Lacie kicks a football from ground level at a velocity of 13.9 m/s and at an angle of 25.0° to the ground. How long will the ball be in the air before it lands? Round your answer to the nearest tenth.
s
How far will the football travel before it lands? Round your answer to the nearest tenth.
m
Answer:
See below
Explanation:
vertical velocity=13.9 sin 25
When it hits the ground y = 0
0 = vo t - 1/2 a t^2
0 = 13.9 sin 25 t - 1/2 (9.81)t^2
0 = 13.9 sin 25 - 1/2 (9.81) t shows t = 1.1976 ~ 1.2 sec
horizontal speed x time = distance
13.9 cos 25 x 1.1976 =15 .1 meters
What is the approximate latitude and longitude or location A
Answer:
latitude = 44.326859 and longitude = -71.213783
Explanation:
latitude = 44.326859 and longitude = -71.213783
Which of the following words BEST describes scientists’ current knowledge about the universe?
eternal
static
unpredictable
changing
Answer:
your answer is changing
Explanation:
Pascal in term fundamental unit is?
Answer: SI unit of pressure
Explanation: The pascal (pronounced pass-KAL and abbreviated Pa) is the unit of pressure or stress in the International System of Units (SI). Reduced to base units in SI, one pascal is one kilogram per meter per second squared; that is, 1 Pa = 1 kg · m-1 · s-2.
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Researchers interested in studying stress gave 150 high school seniors a very difficult math exam. After the test, the researchers measured stress by examining physiological changes with extensive medical testing that included drawing blood samples. When the test was over, they shared the results with the students, but did not publish individual data. Explain whether or not this study conforms to each of the ethical standards: Informed Consent, Debriefing, Confidentiality, and Protection from harm.
Answer:
Informed Consent- The study didn't conform this ethical standard.
Debriefing- The study conforms this ethical standard.
Confidentiality- The study conforms this ethical standard.
Protection from harm- The study conforms this ethical standard.
Explanation:
Informed consent is described as a procedure whereby researchers tend to provide details about specific research they are going to conduct, the risk & benefits involved in the study, different alternatives involved in the procedure, etc.
Debriefing is described as a process that is being conducted in any of the different psychological research encompassing human participants after specific research is completed. The researcher tends to describe the details of the research to the participants.
Confidentiality is described as one of the different code of ethics followed by health workers or psychologists. While practicing confidentiality, a psychologist tends to promise his or her participants that he or she will keep everything a secret whatever is being discussed or shared between both of them.
Protection from harm determines that the psychologists conducting research follows the ethics in which he or she has to protect all the participants from any kind of harm.
Answer:
I think its A
Explanation:
How to convert 110c to f?
110 °C is equivalent to 230 °F. The conversion formula between Celsius and Fahrenheit is:
°F = (°C x 9/5) + 32 °C = (°F - 32) x 5/9
To convert 110 degrees Celsius (°C) to Fahrenheit (°F), you can use the following formula:
°F = (°C x 9/5) + 32
Plugging in the given value of 110 °C, we get:
°F = (110 x 9/5) + 32 = 198 + 32 = 230 °F (rounded to two decimal places)
Therefore, 110 °C is equivalent to 230 °F.
Two popular temperature scales used around the world are the Celsius and Fahrenheit systems. The majority of nations in the globe use the metric temperature scale of Celsius (°C), however a small number of other nations also use the Fahrenheit (°F) measure.
The formula for converting between degrees Fahrenheit and degrees Celsius is: °F = (°C x 9/5) + 32 °C = (°F - 32) x 5/9.
The Celsius temperature is multiplied by 9/5 and 32 is added to convert it to Fahrenheit. By deducting 32 from the Fahrenheit temperature and multiplying the result by 5/9, you can convert a temperature from Fahrenheit to Celsius.
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Image caught
on Screen is called
Answer:
Real Image
Explanation:
Images which are formed on the screen by the actual intersection of light rays are called real images.
Answer:
Virtual imageExplanation:
Virtual image can be caught on a screenhope this helps you.
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Why is velocity proportial to pressure?
Answer:
Pressure and velocity are inversely proportional to each other because if pressure increase, the velocity decrease to keep the algebraic sum of potential energy, kinetic energy and pressure constant.
Newton’s 3rd law is for every action, there is an equal and opposite reaction
True of false
Answer:
true
Explanation:
newton's third law of motion states that if body A exerts a force on the body B, then body B will exert an equal and opposite force on body A,
this is called action reaction pair
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sandy ran 8 blocks north, and then 2 blocks south back towards her starting point. what’s the distance and displacement??
Answer:
sandy is 6 blocks north of her starting point
Explanation:
a yo-yo has a rotational inertia of 820 g·cm2 and a mass of 170 g. its axle radius is 3.3 mm, and its string is 50 cm long. the yo-yo rolls from rest down to the end of the string.
(a) What is the magnitude of its linear acceleration?
(b) How long does it take to reach the end of thestring?
As it reaches the end of the string,what are its
(c) Linear speed,
(d) Translational kinetic energy,
(e) Rotational kinetic energy, and
(f) Angular speed (ssm)
(a) The magnitude of the yo-yo's linear acceleration is approximately 6.41 m/s².
(b) It takes approximately 0.785 seconds for the yo-yo to reach the end of the string.
(c) At the end of the string, the yo-yo's linear speed is approximately 3.21 m/s.
(d) The yo-yo's translational kinetic energy at the end of the string is approximately 81.94 mJ.
(e) The yo-yo's rotational kinetic energy at the end of the string is approximately 1.33 mJ.
(f) The yo-yo's angular speed at the end of the string is approximately 12.14 rad/s.
(a) To determine the magnitude of the yo-yo's linear acceleration, we can use the formula for linear acceleration, a = rα, where a is the linear acceleration, r is the radius of the axle, and α is the angular acceleration. In this case, the radius of the axle is 3.3 mm, which is equal to 0.033 cm. To convert the rotational inertia from g·cm²to kg·m², we divide it by 1000. Rearranging the formula to solve for α, we get α = I/r, where I is the rotational inertia. Plugging in the values, α = (820 g·cm² / 1000) / 0.033 cm ≈ 24.85 rad/s². Finally, we can calculate the linear acceleration by multiplying the angular acceleration by the radius: a = (0.033 cm)(24.85 rad/s²) = 0.82 cm/s². Converting this to m/s², we get approximately 6.41 m/s².
(b) The time it takes for the yo-yo to reach the end of the string can be determined using the formula t = √(2s/a), where t is the time, s is the distance traveled, and a is the linear acceleration. In this case, the distance traveled is the length of the string, which is 50 cm. Plugging in the values, we have t = √(2 * 50 cm / 6.41 m/s²) ≈ 0.785 s.
(c) At the end of the string, the yo-yo's linear speed is equal to the product of the time taken and the linear acceleration: v = at. Plugging in the values, we have v = (6.41 m/s²)(0.785 s) ≈ 5.02 m/s.
(d) The translational kinetic energy of the yo-yo at the end of the string can be calculated using the formula KE = 0.5mv², where KE is the kinetic energy, m is the mass of the yo-yo, and v is the linear speed. Plugging in the values, we have KE = 0.5(170 g)(5.02 m/s)² ≈ 81.94 mJ.
(e) The rotational kinetic energy of the yo-yo at the end of the string can be calculated using the formula KE = 0.5Iω², where KE is the kinetic energy, I is the rotational inertia, and ω is the angular speed. Plugging in the values, we have KE = 0.5(820 g·cm² / 1000)(12.14 rad/s)² ≈ 1.33 mJ.
(f) The angular speed of the yo-yo at the end of the string can be calculated using the formula ω
= αt, where ω is the angular speed, α is the angular acceleration, and t is the time taken. Plugging in the values, we have ω = (24.85 rad/s²)(0.785 s) ≈ 12.14 rad/s.
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What is the intensity of a sound wave?
Acoustic power, also known as sound intensity, is defined as the power transmitted by a sound wave per unit area in a direction perpendicular to that area.
More on sound waveA sound wave is a type of energy that propagates in a medium by adiabatic charging and discharging. Important quantities for describing sound waves are sound pressure, particle velocity, particle displacement, and sound intensity.
Sound waves can be classified into three categories:
Longitudinal waves, mechanical waves, pressure waves.
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What is the momentum of a 0.255kg apple falling at 16.0 m/s
A magnetic field can deflect a beam of electrons. What is the sign of the work done on the electrons by magnetic field
Answer:
That rule describes how a charged particle (our electron) moving in a magnetic field will be deflected by that field at a right angle to both the field and to the direction of the particle. ... The electrons in the cathode rays would deflect toward the positively charged plates, and away from the negatively charged plates.
Explanation:
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A wave has a frequency of 6 Hz, how long is the period?
A 6
B 12
C .17
D 36
Answer:
C.
Explanation:
Two point charges are placed at the following points on the x-axis. +2.0 C at
×=0, -3.0.C at 0.40m. Find the electric field strength at 1.20m?
The electric field strength at a distance of 1.20 m on the x-axis is -1.5 × 10⁴ N/C.
To find the electric field strength at a distance 1.20 m on the x-axis, we can use Coulomb's law:
\($$F=k\frac{q_1q_2}{r^2}$$\)
where F is the force between two charges, q1 and q2 are the magnitudes of the charges, r is the distance between the charges, and k is the Coulomb constant.For a single point charge q located at the origin of the x-axis, the electric field E at a distance r is given by:
\($$E=\frac{kq}{r^2}$$\) where k is the Coulomb constant.
So, let's calculate the electric field due to each charge separately and then add them up:
For the +2.0 C charge at x = 0, the electric field at a distance of 1.20 m is:\($$E_1=\frac{kq_1}{r^2}=\frac{(9\times10^9)(2.0)}{(1.2)^2}N/C$$\)
For the -3.0 C charge at x = 0.40 m, the electric field at a distance of 1.20 m is:
\($$E_2=\frac{kq_2}{r^2}\)
\(=\frac{(9\times10^9)(-3.0)}{(1.20-0.40)^2}N/C$$\)
The negative sign indicates that the direction of the electric field is opposite to that of the positive charge at x = 0.
To find the net electric field, we add the two electric fields\(:$$E_{net}=E_1+E_2$$\)
Substituting the values of E1 and E2:
\($$E_{net}=\frac{(9\times10^9)(2.0)}{(1.2)^2}-\frac{(9\times10^9)(3.0)}{(0.8)^2}N/C$$E\)
net comes out to be -1.5×10⁴ N/C.
Therefore, the electric field strength at a distance of 1.20 m on the x-axis is -1.5 × 10⁴ N/C.
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