A 12 volt parallel circuit is drawing 2 amps what is the total amount of power consumed?
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Please mark as Brainliest, thanks.
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Chalk and talc are insoluble. what do you think thus term means
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Thus this means that chalk and talcum powder, both , are not soluble in water.
When these two are are soluble in other solvents, the solvent is specified.
Hope this helps. :)
a ball is thrown horizontally from the roof of a building 45m tall and lands 24m from the base what is the initial speed?
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To find the initial speed of a ball thrown horizontally from a 45m tall building, we first calculate the time of flight using the vertical motion equation and then determine the initial horizontal speed using the range and time of flight.
Finding the Initial Speed of a Horizontally Thrown Ball
To calculate the initial speed of a ball thrown horizontally from the roof of a building that is 45 meters tall and lands 24 meters from the base, we can use the kinematic equations of motion for projectile motion.
Step 1 - Time of Flight
To find the time it takes for the ball to hit the ground, we use the vertical motion equation:
s = ut + 0.5*at^2
Since the ball is thrown horizontally, the initial vertical velocity (u) is 0 m/s. s is the height of the building (45 m) and a is the acceleration due to gravity (9.8 m/s2).
By substituting the known values, we can solve for t.
Step 2 - initial Horizontal Speed
Now, knowing the time of flight, we can find the initial horizontal speed(vx) using the horizontal motion equation:
Range = vxt
The range is given as 24 m. Therefore, vx = Range / t.
Final Answer
After calculating, we get the initial horizontal speed of the ball, which is necessary to cover the horizontal distance within the derived time of flight.
Jack pushed and pushed, but no matter how hard he tried, the refrigerator would not budge! What is the BEST explanation of what happened? A) Jack exerted a force and did work. B) Jack had no energy and did no work. C) Jack used all his potential energy to do work. D) The refrigerator did not move so no work was done.
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Hope this helps.☺
Answer:
D) The refrigerator did not move so no work was done.
Explanation:
The refrigerator did not move so no work was done. Jack did exert a force and he did have energy. His muscles were twitching and using stored chemical energy. No work is done, though, if the force or energy does not cause an object to move. No movement, no work.
If light intensity obeyed an inverse square law you would expect to find the intensity of light to decrease as the square of the distance increases?
True or false
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where
[tex]I_{1}[/tex] is the intensity at distance 1
[tex]I_{2}[/tex] is the intensity at distance 2
[tex]d_{1}[/tex] is distance 1
[tex]d_{2}[/tex] is distance 2
The inverse squared law state that intensity decreases in inverse proportion to the distance squared. So if light obeyed that rule, it will decreases its intensity as the square of the distance increases.
We can conclude that the correct answer is: true.
this is a true statement
#28: Describe/explain three different types of waves regularly used by humans.
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If I remember correctly, it was radio waves, microwaves, and visible light.
We use radio waves, like when your sitting in the car, and you turn on the radio for some music, or broadcast you wanna listen you.
We use microwaves, to cook our food faster.
We use visible light, so we can see things around us. Any other wave would be to dangerous for us.
A diagram of the carbon-oxygen cycle is shown below.
Which of the following is mainly responsible for the removal of carbon dioxide from the atmosphere?
Question 23 options:
animals
factories
soil
plants
NEED IT ASAP
AND BRAINIEST
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Plants are mainly responsible for the removal of carbon dioxide from the atmosphere.
How does plants help in reducing the atmospheric CO2?During photosynthesis, plants take in carbon dioxide (CO2) and water (H2O) from the air and soil. Within the plant cell, the water is oxidized, while the carbon dioxide is reduced. This transforms the water into oxygen and the carbon dioxide into glucose.What is photosynthesis?It is the process by which plants uses sunlight as energy to convert carbon dioxide and water into oxygen and energy in the form of glucose .Thus , plants uses CO2 to form it's food and are responsible for the removal of carbon dioxide from the atmosphere.
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what are the approximate orbital periods of Phobos and Deimos respectively
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Sally was trying to calculate the speed of the hummingbirds feeding outside her window. Sally measured the distance from one feeder to the next, 24 meters. Then she sat and timed how long it took a hummingbird to fly from one feeder to the next. She timed 10 trials and calculated the average time, 3 seconds. What was the average speed of the hummingbird flying from one feeder to the other?
Answers
Answser: 8 m/s
Explanation:
Sally performed an experiment, in which she handled two variables:
distance between the feeders, andtime to fly from one feeder to next.
The distance is fixed, so she only measured it one time and it was 24m.
She timed 10 trials and calculated the average time of 3 seconds. So, you will use this time fo calculate the average speed of the hummingbird flying from one feeder to the other, using the formula:
speed = distance / timespeed = 24 m / 3 s = 8 m/s.
Hence, the result is 8 m/s.
Answer:8 m/s
Explanation:8 m/s
what is the mass of a 4900 N bobsled
Answers
4900 / 9.8 = 500
Answer:
500 Kg.
Explanation:
The problem is giving us the weight of the object the weight is different from the mass of an object
Weight is the mass of any object multiplied by gravity (the value of gravity is approximately [tex]9.8\frac{m}{s^2}[/tex] ).
The unit of weight are newtons that equals
[tex]N= Kg.\frac{m}{s^2}[/tex]
[tex]W= m.g[/tex]
we cleared the mass of the formula
[tex]W=m.g\\ m=\frac{W}{g} \\ m= \frac{4900N}{9.8 \frac{m}{s^2} }= 500 Kg[/tex]
whats the basic particle that makes up matter
Answers
What is the electric potential of a 2.2 µC charge at a distance of 6.3 m from the charge? Recall that Coulomb’s constant is k = 8.99 × 109 N • ___ V
What is the electric potential at a distance of 99 m from the charge?___ V
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3100 V
and
200v
The electric potential of a 2.2 µC charge at a distance of 6.3 m is 3.14 × 10^6 V. At a distance of 99 m, the electric potential is 2.02 × 10^4 V.
Explanation:To calculate the electric potential, we can use the equation V = kQ/r, where V is the electric potential, k is Coulomb's constant (8.99 × 10^9 N • V^-2 • m^2 • C^-2), Q is the charge, and r is the distance from the charge.
For a charge of 2.2 µC at a distance of 6.3 m, we can plug in the values to find:
V = (8.99 × 10^9 N • V^-2 • m^2 • C^-2)(2.2 × 10^-6 C)/(6.3 m) = 3.14 × 10^6 V
Similarly, for a distance of 99 m, the calculation would be:
V = (8.99 × 10^9 N • V^-2 • m^2 • C^-2)(2.2 × 10^-6 C)/(99 m) = 2.02 × 10^4 V
The earth takes 1 year to revolve around the sun at 1 A.U. distance (an astronomical unit = 93,000,000 miles). If a planet were 4 A.U. from the sun, how many years would it take to make 1 orbit?
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P^2 / (4 AU)^3 = 1P^2 = 64P = 8 years
because the universe is expanding what happens to the light from other galaxies as it reaches earth
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Explain the difference between strength,muscular endurance and power
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The difference between strength, muscular endurance, and power include:
Strength simply means the ability of a muscle to be able to generate force against resistance. On the other hand, power simply means a large amount of force that can be generated quickly. Muscular endurance simply means the ability of muscles to be able to exert force against a particular thing for a period of time.Strength has to do with one repetition while power has to do with several repetitions. Muscular endurance involves constant repetition.It should be noted that power, strength, and muscular endurance are forms of muscular ability.
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In a heat engine, if 700J of heat enters the system, and the piston does 400J of work, what is the final internal thermal energy of the system if the initial energy is 1200J?
Answers
Answer:
1500 J
Explanation:
We are going to use the first law of thermodynamics which can be summarized as:
Δ[tex]U=Q-W[/tex]
[tex]U2-U1=Q-W[/tex]
So, we have that:
[tex]U1=1200j \\ W=400 \\ Q=700j[/tex]
[tex]U2=Q-W+U1[/tex]
By substituting we have:
[tex]U2=700 J - 400 J + 1200J=1500J[/tex]
Have a nice day :)
Another term for position of an object is_____.
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In physics, another term for the position of an object is 'displacement'. Displacement refers to the change in position of an object in relation to a reference frame, and specifies the direction of movement.
Explanation:In the field of physics, another term for the position of an object is displacement. Displacement refers to the change in position of an object in relation to a reference frame. For instance, if an object moves to the right relative to a whiteboard, its position, or displacement, changes.
To illustrate, imagine an airplane in motion. To describe the position of a passenger in the airplane, you would use the airplane, not Earth, as the reference frame. Therefore, the passenger's displacement could be toward the rear or front of the airplane.
The key point to remember is that displacement not only refers to the change in position, but also specifies the direction of the movement. It's therefore considered a vector, and can be either positive or negative, depending on the chosen positive direction.
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Franklin’s hometown is flooding due to a severe storm. He is evacuating the area in his vehicle. What should he do if he comes across a flooded area or flowing water?
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Franklin must not drive through a flood for there may no road at all under the water, unless he is familiar with the road and the flowing water is below one foot.
Moreover, if negotiating a flooded section of road, he must drive in the middle where the water will be at its shallowest and he must not drive through water against approaching vehicle to consider other drivers.
Suppose you increase your walking speed from 7 m/s to 15 m/s in a period of 2 s. What is your acceleration
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acceleration = 4 m/sec²
Explanation:
Acceleration is defined as the change of velocity over time
Therefore, it can be calculated as follows:
acceleration = Δv / Δt
where:
Δv is the change in velocity = v2 - v1 = 15 - 7 = 8 m/sec
Δt is the change in time = 2 seconds
Substitute with the givens in the above equation to get the acceleration as follows:
acceleration = [tex] \frac{8}{2} = 4[/tex] m/sec²
Hope this helps :)
What are non examples of Asexual reproduction
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Many single-celled organisms rely on binary fission to reproduce themselves. All bacteria reproduce by binary fission.
Budding and Hydras-
Hydras are a type of freshwater cnidarian related to jellyfish, sea anemones and corals. Hydras reproduce asexually by developing small, genetically identical polyps that protrude from the parent. These polyps break off from the parent to form a new organism in a process called "budding."
Parthenogenesis and Copperheads- Though most of the organisms that use asexual reproduction are invertebrates, several species of vertebrate animals do make use of it. Some, like copperhead snakes, can reproduce asexually as an alternative to their typical sexual reproduction. Through a process called parthenogenesis -- literally "virgin birth" -- copperhead females can give birth to live young without having been inseminated by a male, even when males are available, according to National Geographic. In this form of parthenogenesis, the polar body, or a cell produced alongside the female's egg, acts as a sperm cell and essentially "fertilizes" the egg. Parthenogenesis has been observed in several species of reptiles, birds and sharks, and is especially common in insects.
We have that Non examples of Asexual reproduction will be the reproduction that requires two cells to reproduce.
Examples
BuddingHumansBirdsinsects
From the question we are told
What are non examples of Asexual reproduction
Generally
Asexual reproduction this are the type of reproduction in which a single sex cell is able to reproduce The Traditional union of sex cells in this case is not needed This can be found in plants and microorganismsTherefore
non examples of Asexual reproduction will be the reproduction that requires two cells to reproduce.
Examples
BuddingHumansBirdsinsectsFor more information on this visit
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1) With your pneumatic system, how do you think your results would have been affected if there had been a leak in the tubing?
2) Given your observations for this investigation, would you rather ha a hydraulic braking system Or a pneumatic braking system in your car. Explain.
Answers
A leak in the tubing of a pneumatic system would decrease its efficiency. A hydraulic braking system would be preferred for a car.
Explanation:If there had been a leak in the tubing of a pneumatic system, the results would have been affected. A pneumatic system uses compressed air to transmit force, and if there is a leak, a decrease in pressure would occur. This would result in a decrease in the efficiency of the system, as the force applied may not be transmitted properly.
Based on the observations and the information provided, it is likely that a hydraulic braking system would be preferred for a car. A hydraulic system, like the one used in hydraulic brakes, utilizes an incompressible liquid to transmit force. This ensures that the force is transmitted efficiently without any loss due to compression or leaks.
Food borne pathogens are harmful to the human body in any amount
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It does vary between different pathogens & between the condition of the host (immunocompromised vs. healthy), but if the minimum infectious dose is not met- then the body is typically able to snuff out the intruders before they can do any real damage.
Hope that helps!
Use the map to compare the locations of points X and Y. Point X is Florida.
Which of the following compares the temperature range of points X and Y?
Point X has a larger temperature range throughout the year because it is coastal.
Point X has a larger temperature range throughout the year because it is inland.
Point X has a smaller temperature range throughout the year because it is coastal.
Point X has a smaller temperature range throughout the year because it is inland.
Mark this and return
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Answer:
A
Explanation:
n the picture of a planet in orbit around its star area a is double that of area b. What is true of the time the planet takes to travel A1A2 as compared to B1B2
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1. The orbit of a planet is an ellipse with the Sun (the sun is a star!) at one of the two focus.
2. A line segment joining a planet and the Sun sweeps out equal areas during equal intervals of time.
3. The square of the orbital period of a planet is proportional to the cube of the semi-major axis of its orbit.
So, let's use second law. The Sun sweeps out equal areas during equal intervals of time means that if A = B, the time the planet takes to travel A1A2 is equal to the time the planet takes to travel B1B2, but given that A = 2B, then takes twice the time to travel A1A2 compared to B1B2.
Answer:
twice as much
In order to get the bike to move and stay moving, what friction must be overcome
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Friction is the resistance offered against the motion of one surface over the other. This is because, at the microscopic level, each surface has hills and valleys i.e. the surfaces are not completely smooth and hence the roughness of one surface locks over the other and restricts its motion. There are two kinds of friction: static friction and kinetic friction. When the object is at rest, static friction acts. While the object is in motion, kinetic friction acts. Static friction is greater than the kinetic friction because a larger force is required to change the state of rest to motion. You must have experienced that if you do not accelerate the bike while its in motion, it would slow down and eventually stop. In order to get the bike moving, initially static friction must be overcome and thereafter, kinetic friction to make it stay in motion.
How does the current in a circuit change if the resistance is doubled?
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problems with solar energy include
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The problems with solar energy include its intermittency and the high upfront cost of battery storage systems. The production of photovoltaic cells generates hazardous waste, and deployment of large-scale solar systems can harm undeveloped habitats. Also, solar energy cannot directly power all sectors like cars and airplanes due to its diffuse nature.
Explanation:There are a number of challenges and problems associated with the use of solar energy. Some primary issues include its intermittency, as solar energy capture is not constant, and can be particularly low during the nighttime or in seasons with less sunshine. This inconsistency can be offset by battery storage, but such storage solutions add substantial cost, need regular maintenance, and require the environmentally unfriendly process of battery replacement.
Another concern is the environmental impact of photovoltaic (PV) cells, the main technology for generating solar energy. The process of manufacturing PV cells requires the use of chemicals and solvents, generating some hazardous waste. Besides, the deployment of large-scale solar arrays in undeveloped areas or fragile ecosystems like deserts can cause habitat destruction. Solar thermal systems, another form of solar energy, also pose problems as they use potentially hazardous fluids for heat transfer and need significant amounts of water for cleaning and cooling.
Finally, solar energy can't directly power some sectors and applications such as cars and airplanes due to its diffuse nature, making it not entirely substitutable with other energy sources. While the sun provides an abundant source of energy, transitioning to a solar-powered society poses significant challenges.
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Unsaved Earth is located in a region known as __________.
options:
a.the asteroid belt
b.the Kuiper Belt
c.the Oort Cloud
d.the Goldilocks Zone
Answers
The Goldilocks zone refers to a zone around the star that is habitable. This means that it is not too hot and not too cold.
The Kuiper belt is located beyond Neptune. The Oort cloud is even further out in the solar system, past Pluto. The asteroid belt is located in between the orbit of Mars and Jupiter.
In which type of transistor does current flow from the base to the emitter?
A. An NPN transistor, which has a p type base
B. An NPN
Answers
Answer:
The current flows from the base to the emitter in the NPN transistor.
Explanation:
NPN transistor :
NPN transistor is a semiconductor in which the positively charged is sandwiched between two negatively charged.
In NPN transistor, [tex]V_{CB}[/tex] is reverse-biases the collector-base junction and [tex]V_{BE}[/tex] is forward- biases the emitter-base junction.
Hence, The current flows from the base to the emitter in the NPN transistor.
Answer:
A. an NPN transistor, which has a p-type base
Explanation:
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The difference in the composition of the terrestrial planets and the gas giants can be explained by the different condensation ____________________ in the regions near and far from the sun during the formation of the solar system.
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According to the Solar Nebula theory, temperatures high enough to condense metals were closer to the Sun, while towards the outside of the System, temperatures where lower.
This is the reason why terrestrial rocky planets are closer to the Sun, while gaseous planets are further from the Sun.
Hence, the difference in the composition of the terrestrial planets and the gas giants can be explained by the different condensation temperature in the regions near and far from the Sun during the formation of the Solar System.
how does applying force to an object affect its motion