Answer:
The answer is D.
Explanation:
There is no gravity in Space so that means that it will decrease your weight but not your mass.
Please give BrainiestYour mass would remain the same on the Moon or any other celestial body because it is a constant measure of the matter within you. However, your weight would be less on the Moon due to its weaker gravitational pull compared to Earth. The correct answer, therefore, is B - your weight would be less but your mass would remain the same.
Explanation:When considering the comparison of weight and mass on the Moon versus the Earth, it's important to clarify the difference between the two concepts. Mass is a measure of the amount of matter in an object, and it remains constant regardless of location. On the other hand, weight is the force exerted on an object due to gravity and varies depending on the gravitational pull of the celestial body you're on.
The acceleration due to gravity on the Moon is approximately 1.625 m/s², significantly less than the Earth's gravitational acceleration of 9.80 m/s². So, if you were to move from Earth to the Moon, your mass would remain the same because the quantity of matter you consist of does not change. However, because the Moon's gravity is weaker, you would weigh less. This decrease in weight is attributed to the lower gravitational pull, not to a loss of mass.
The correct answer to the question posed is: B. your weight would be less but your mass would remain the same. This reflects the understanding that while the gravitational force acting on you decreases, the actual matter that you are made of does not change.
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What are Mid-Ocean Ridges caused by?
Answer:
occurs when convection currents rise in the mantle beneath the oceanic crust and create magma where two tectonic plates meet at a divergent boundary.
Explanation:
A mole of water molecules would just about fill a
A. large wheelbarrow
B. tablespoon
C. cup
D. gallon bucket
Answer:
B. tablespoon
Explanation:
Considering the question given, a mole of water is small compare to the options given from the question aside the table spoon.
A mole of water is just 18g and that's equivalent to 18 mL.
18 mL of water will fill a table spoon but not a cup which is about 237mL. The wheel barrow and gallon bucket have larger volumes of which 18 mL of water will never fill them.
So, a mole of water can successfully fill a table spoon.
Why is it important to understand the behavior of light when designing and building any type of structure, such as a house, school, store, hospital or office building?
It is important to understand the behavior of light when designing and building any type of structure because it is necessary for the better illumination of the interior space.
What is meant by optics ?Optics is the branch of science, that deals with study of light and the behaviour and properties of light.
Here,
It is important to understand the behavior of light when designing and building any type of structure, such as a house, school, store, hospital or office building.
This is because, interior space and its arrangements are the important aspects in building any structure. So that, the designing of interior space became more important and it must be more accurate since, the adjustments of the effects of heat and light became the major needs for every architecture.
These buildings are built for people to use them or live in them, in the most comfortable way. So that, the arrangements of the windows and doors primarily depends on the distribution of light at that positions.
The present living system demands more use of electrical energy for various purposes in our everyday life. So, the availability of daylight can help us to reduce the over consumption of electrical energy in the day time.
Hence,
It is important to understand the behavior of light when designing and building any type of structure because it is necessary for the better illumination of the interior space.
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Final answer:
Understanding the behavior of light is vital in architecture due to its impact on mood, aesthetics, functionality, and energy efficiency. It informs decisions on lighting design, fixture selection, and the overall architectural design to create spaces that are functional, safe, and evoke desired emotional responses.
Explanation:
Understanding the behavior of light is crucial in the design and construction of any structure, such as houses, schools, stores, hospitals, or office buildings, due to its significant impact on both the functionality and aesthetics of a space. Light can influence mood, perception, and even the well-being of occupants.
For example, natural light can enhance productivity and happiness in offices and schools, while soft, warm lighting can make homes feel more welcoming and comforting. Furthermore, the understanding of light's properties, such as reflection, refraction, and shadow creation, plays an essential role in achieving energy efficiency, enhancing visibility, and ensuring the safety of the occupants.
Considering the architecture of a space is vital as it directly influences lighting design, necessitating a thoughtful selection of lighting fixtures and techniques that complement the structural elements and intended use of each area. Thus, integrating light-related considerations into the architectural design process facilitates the creation of functional, aesthetically pleasing, and emotionally resonant environments.
What is the total amount of energy stored in a 12-V, 75 A*h car battery when it is fully charged?
Explanation:
Power is current times voltage. Power is also energy per time.
P = IV = E/t
Solving for energy:
E = V It
E = (12 V) (75 Ah) (3600 s / h)
E = 3,240,000 J
E = 3240 kJ
The total amount of energy stored in a fully charged 12-volt, 75 A*h car battery is 900 watt-hours.
What is the total amount of energy stored?The total amount of energy stored in a battery can be calculated using the formula:
Energy (in watt-hours) = Voltage (in volts) × Current (in amperes) × Time (in hours)
In this case, you have a 12-volt car battery with a capacity of 75 ampere-hours (A*h). When the battery is fully charged, it means it can provide 75 amperes of current for one hour.
Plugging in the values:
Energy = 12 V × 75 A*h
Calculating:
Energy = 900 watt-hours (Wh)
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You are an astronaut in space far away from any gravitational field, and you throw a rock as hard as you can. The rock will:
slowly slow down and stop
continue at the same speed forever
continue to accelerate at the rate it was when it left your hand
PLZ HELP QUICKLY!
Answer:
the rock will continue at the same speed unless it is affected by another force such as gravity and so if you threw it it will continue to move unless affected by a force
Explanation:
this is because Newton's first law states that every object will remain at rest or in uniform motion in a straight line unless compelled to change its state by the action of an external force.
The molecules of a substance become more closely packed and move more quickly.
What is happening to the substance?
The animal derives energy from its food to maintain its body temperature.
State the energy change that takes place
The substance is likely experiencing a phase change due to increased kinetic energy from heating. For the animal, chemical energy from food is converted into thermal energy to maintain body temperature.
When the molecules of a substance become more closely packed and move more quickly, the substance is undergoing a phase change, likely from a solid to a liquid or a liquid to a gas. This change is the result of increased kinetic energy due to heating, which causes the molecules to vibrate or translate more vigorously. As for the animal, when it derives energy from its food to maintain body temperature, the energy change taking place is the conversion of chemical energy from the food into thermal energy (heat) within the body.
Where do you find electromagnetic waves on earth? what are some everyday uses?
Answer:
Radio waves are used for communications and radar. Microwaves are used to cook your food. Infrared waves are used in remote controls and are emitted from all warm objects, allowing them to be used to create heat-sensitive cameras.
Explanation:
Basically electromagnetic waves can be found in your everyday life.
Answer: You can find Electromagnetic waves thru (Radio waves)
Explanation:
Which is used for radar's and communication links Infrared waves can be used as remote control's Fun fact- can be used as a heated camera! You can use the radio waves for microwaves which is to heat up/cook any kind of food aint that something!
Which situation will have the highest resistance?
A.long wire and high temperature
B. short wire and high temperature
C. long wire and cold temperature
D.short wire and low temperature
Answer:
i think it is C
Explanation:
Answer: A. Long wire and high temperature
Explanation:
Which of the following is a high wave that crashes down onto the
ocean floor?
a. breaker
b. tide
c. upwelling
d. deflection
Chloroplasts definition
Answer:
(in green plant cells) a plastid that contains chlorophyll and in which photosynthesis takes place.
Explanation:
Chloroplasts are organelles in plant and algal cells that perform photosynthesis, using light energy to produce glucose and oxygen from carbon dioxide and water. Containing green pigment chlorophyll, they enable plants to make their own food, distinguishing them from heterotrophic animals. This photosynthetic ability is thanks to the evolutionary process of endosymbiosis.
Explanation:Chloroplasts are specialized organelles found in plant and algal cells that carry out photosynthesis, a process that uses carbon dioxide, water, and light energy to produce glucose and oxygen. Chloroplasts contain their own DNA and ribosomes, much like mitochondria, but serve a different function. They contain a green pigment known as chlorophyll, responsible for absorbing the light energy needed for photosynthesis. Among different membranes within a chloroplast, the most significant one is the thylakoid membrane system where photosynthetic pigments, including chlorophyll, reside and where the light-dependent reactions of photosynthesis occur.
Photosynthesis makes plants (autotrophs) capable of producing their own food - glucose, whilst animals (heterotrophs) must ingest or consume their food. This is a primary distinction between plants and animals in terms of nutrition. Additionally, these chloroplasts are direct descendants of cyanobacteria through a process called endosymbiosis, hinting at the evolutionary connection between different life forms.
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Which term defines the amount of mechanical work an engine can do per unit of heat energy it uses? A. specific heat B. conductivity C. thermal expansion D. efficiency
Answer:
Efficiency
Explanation:
The amount of mechanical work an engine can do per unit of heat energy it uses is called its efficiency. It is also defined as the output divided by the total electrical power consumed.In terms of heat, efficiency of engine is given by :[tex]\eta=1-\dfrac{Q_o}{Q_i}[/tex]
[tex]Q_o\ and\ Q_i[/tex] are output heat and input heat respectively.
Hence, the correct option is (d) "efficiency"
Final answer:
Efficiency is the key factor defining the mechanical work output of a heat engine in relation to the heat energy input.
Explanation:
Efficiency is the term that defines the amount of mechanical work an engine can do per unit of heat energy it uses. It is calculated as the ratio of the useful work extracted to the energy input needed to heat the hot reservoir. In the context of a heat engine, efficiency plays a crucial role in determining how well the engine converts heat energy into mechanical work.
FREE BRANLIEST COMMENT AND LIKE SOMEEBODY HELP ME I BEEN WORKING ON THIS FOR TWO DAYS AND IM SLOWY DYING. A puck moves 2.35 m/s in a -22 degree direction. A hockey stick pushes it for 0.215 s, changing its velocity to 6.42 m/s in a 50 degree direction. What is the magnitude of the displacement and Direction of displacement
Answer:
0.805 m at 32.6°
Explanation:
Given in the x direction:
v₀ₓ = 2.35 m/s cos -22° = 2.179 m/s
vₓ = 6.42 m/s cos 50° = 4.127 m/s
t = 0.215 s
Find: Δx
Δx = ½ (v + v₀) t
Δx = ½ (4.127 m/s + 2.179 m/s) (0.215 s)
Δx = 0.678 m
Given in the y direction:
v₀ᵧ = 2.35 m/s sin -22° = -0.880 m/s
vᵧ = 6.42 m/s sin 50° = 4.918 m/s
t = 0.215 s
Find: Δy
Δy = ½ (v + v₀) t
Δy = ½ (4.918 m/s + -0.880 m/s) (0.215 s)
Δy = 0.434 m
The magnitude of the displacement is:
d² = Δx² + Δy²
d² = (0.678 m)² + (0.434 m)²
d = 0.805 m
The direction of the displacement is:
θ = tan⁻¹(Δy/Δx)
θ = tan⁻¹(0.434 m / 0.678 m)
θ = 32.6°
velocity is described by __ and time
Answer:
distance
Explanation:
A 2200 kg car doubles its speed from 50 km/hr to 100 km/hr. By how many times does the kinetic energy from the car’s forward motion increase?
Answer: 4
Explanation:
Given that:
Mass of car M = 2200 kg
Initial speed Vi = 50 km/hr
Final speed Vf = 100 km/hr
Kinetic energy is the energy possessed by a moving object. It is measured in joules, and depends on the mass (m) of the object and the speed (v) by which it moves
i.e K.E = 1/2MV^2
So, when traveling at 50 km/h
KE = 1/2x 2200kg x (50km/h)^2
KE = 0.5 x 2200 x 2500
KE1 = 2750000J
So, when traveling at 100 km/h
KE = 1/2x 2200 x (100 km/h)^2
KE = 0.5 x 2200 x 10000
KE2 = 11000000J
Thus, the number of times kinetic energy increases is obtained by dividing KE2 by KE1
i.e 11000000J / 2750000J
= 4
Thus, the kinetic energy from the car’s forward motion increase 4 times
Answer:4
Explanation:m=2200,u=50,v=100
The unit for speed is in m/s we have to conver to m/s
For ke1=50km/h to m/s 50×1000/3600=13.89
So keep=1/2mv^2
1/2(2200)13.89^2= 212225.31
Ke2=1/2mv^2=100×1000/3600=27.78
1/2mv^2= 1/2(2200)27.78^2
=848901.24 .....soke2/ke1 = 848901.24/212225.31=4
That d increase in ke
A beaker contains 0.500 kg of water at a temperature of 3.0 °C. The beaker is heated, and the
internal energy of the water increases by 21.0 kJ.
The specific heat capacity of water is 4200 J / (kg °C).
What is the temperature of the water after it has been heated?
Answer:
13°C
Explanation:
We can apply the formula for Heat energy gained by a body. It is given as:
[tex]H = mc(T_2 - T_1)[/tex]
where m = mass of the body
c = Specific heat capacity of the body
[tex]T_2[/tex] = final temperature of the body
[tex]T_1[/tex] = initial temperature of the body
For the water in the beaker, we are given that:
m = 0.5 kg
[tex]T_1[/tex] = 3.0 °C
H = 21 kJ = 21000 J
c = 4200 J/kg°C
Hence, the final temperature [tex]T_2[/tex] of the water is:
21000 = 0.5 * 4200 * ([tex]T_2[/tex] - 3)
21000 = 2100 * ([tex]T_2[/tex] - 3)
([tex]T_2[/tex] - 3) = [tex]\frac{21000}{2100}[/tex]
[tex]T_2[/tex] - 3 = 10
[tex]T_2[/tex] = 10 + 3 = 13°C
The final temperature of the water is 13°C.
Answer:
The temperature of the water after it has been heated is 13°C
Explanation:
Heat capacity H is expressed as shown :
H = mc∆t
H is the internal energy of the water
m is the mass of the water
c is the specific heat capacity of the water
∆t is the change temperature
Given H = 21kJ = 21,000Joules
m = 0.500kg
c = 4200 J / (kg °C).
∆t = t2-t1
t2 is the final temperature
t1 is the initial temperature = 3°C
Substituting the parameters;
21000 = 0.5(4200)(t2- 3)
21000 = 2100(t2-3)
21000 = 2100t2 - 6300
2100t2 = 21000+6300
2100t2 = 27300
t2= 27300/2100
t2 = 13°C
A runner travels 2.5 laps around a circular track in a time of 75 sec. The diameter of the track is 50 m and its circumference is 120 m. Find (a) the average speed of the runner and (b) the magnitude of the runner's average velocity. Average speed depends on the total distance traveled, whereas average velocity depends on the displacement at the end of the particular journey.
Answer:
2.67m/s
0.67m/s
Explanation:
Given parameters:
Number of laps run = 2.5laps
time taken = 75 sec
Diameter of track = 50m
Circumference = 120m
Unknown:
Average speed of runner = ?
Average velocity of runner = ?
Solution:
Average speed depends on the total distance traveled, it is the rate of change of distance with time. It covers the full extent of the path;
Average speed = [tex]\frac{distance}{time}[/tex]
distance = circumference
Average speed = [tex]\frac{200}{75}[/tex] = 2.67m/s
Average velocity depends on the displacement at the end of the particular journey. The displacement deals with the length of path from start to finish in a specific direction.
The diameter is the same as displacement here.
Average velocity = [tex]\frac{displacement}{time}[/tex] = [tex]\frac{50}{75}[/tex] = 0.67m/s
The giant 1,000 ft. diameter radio telescope was used to determine Mercury's period of?
Revolution
Daylight
Rotation
Turning
Answer:
revolution
Explanation:
It is revolution because a telescope is used to see revolution!!!!☺☺☺☺Enjoy and bye!!!
Answer:
its actually rotation
Explanation:
Question 6 of 15
2 Points
_ friction occurs when two solid surfaces rub against each other.
Answer here
SUBMIT
Answer: sliding
Explanation:
Answer:
horizontal friction is the correct answer
What type of device is a coal-fired power plant?
Answer:
(Fossil fuel power station)
A type of power plant that uses fossil fuel to generate power.
Is glucose and oxygen products reactants of cellular respiration
Answer:
Glucose and oxygen are products of photosynthesis.
Explanation:
Energy, carbon dioxide and water are products of cellular respiration. Glucose and oxygen are reactants in cellular respiration. Energy, water and carbon dioxide are reactants of photosynthesis.
Answer: Reactants
Explanation: A cell will need to break glucose to create energy. Oxygen will turn into carbon dioxide, which is what us humans breathe out.
Which parts of the graph would increase if all of earth's polar ice melts? Which part would decrease?
Answer:
the answer to the question is the part that is reflected by clouds and atmosphere 26%
If all of Earth's polar ice melts, the global sea level and average global temperature would increase, while the area covered by ice in the polar regions would decrease.
Explanation:If all of Earth's polar ice melts, several parts of the graph would increase. One part that would increase is the global sea level. As the ice melts, the water would contribute to higher sea levels. Another part that would increase is the average global temperature. The melting ice would release more greenhouse gases, which would further contribute to global warming. Hurricanes and extreme weather events would also increase in frequency and intensity.
On the other hand, the part of the graph that would decrease is the area covered by ice in the polar regions. With the melting of the polar ice, the ice extent would significantly shrink, leading to decreased ice coverage over the Arctic and Antarctic regions.
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FREE BRANLIEST❗️❗️ for anyone who answers this correctly
Answer:
1.29x10^5 m
Explanation:
Step 1:
Data obtained from the question.
Mass of uranus (M1) = 8.68x10^25Kg
Mass of miranda (M2) = 6.59x10^19Kg
Force (F) = 2.28x10^19N.
Gravitational constant (G) = 6.674×10^−11 m3/kgs2
Distance apart (r) =?
Step 2:
Determination of the distance apart.
Using the Newton's law of universal gravitation equation, the distance apart of uranus and the moon miranda can be obtained as follow:
F = GM1M2/r2
r2 = GM1M2/F
r2= (6.674×10^−11x8.68x10^25x6.59x10^19)/2.28x10^19
r2 = 1.67x10^16
Take the square root of both side.
r = √(1.67x10^16)
r = 1.29x10^5 m
Therefore, the distance apart is 1.29x10^5 m
Answer:
1.29x10^5 m
Explanation:
Step 1:
Data obtained from the question.
Mass of uranus (M1) = 8.68x10^25Kg
Mass of miranda (M2) = 6.59x10^19Kg
Force (F) = 2.28x10^19N.
Gravitational constant (G) = 6.674×10^−11 m3/kgs2
Distance apart (r) =?
Step 2:
Determination of the distance apart.
Using the Newton's law of universal gravitation equation, the distance apart of uranus and the moon miranda can be obtained as follow:
F = GM1M2/r2
r2 = GM1M2/F
r2= (6.674×10^−11x8.68x10^25x6.59x10^19)/2.28x10^19
r2 = 1.67x10^16
Take the square root of both side.
r = √(1.67x10^16)
r = 1.29x10^5 m
Therefore, the distance apart is 1.29x10^5 m
1. Define friction. Name and describe two kinds of friction.
Answer:
Friction is a force that holds back the movement of a sliding object.
Explanation:
The two types of friction: Static friction and Kinetic friction. Static friction operates between two surfaces that aren't moving relative to each other, while kinetic friction acts between objects in motion.
Final answer:
Friction is a force that resists motion between two contacting surfaces, indispensable yet challenging. There are two primary types: static friction, which acts on objects at rest, and kinetic friction, which occurs once motion has begun. Understanding and calculating these forces are crucial in physics to solve related problems.
Explanation:
Defining Friction
Friction is a force that opposes motion between two surfaces that are in contact. It is an essential force in everyday life, allowing us to walk and drive vehicles without slipping but also poses a challenge as it causes wear and tear on moving parts of machines.
Types of Friction
Static Friction
Static friction occurs between two surfaces that are not moving relative to each other. It needs to be overcome for motion to start. An example of static friction is pushing a stationary car; it takes considerable force to get the car moving.
Kinetic Friction
Kinetic friction, also known as dynamic friction, acts between two surfaces that are in motion relative to one another. An example of kinetic friction is the force you feel when sliding a book across a table.
Calculating Friction
The magnitude of static and kinetic friction can be calculated using formulas that take into account the coefficient of friction between the two surfaces and the normal force exerted between them. These calculations are critical in solving problems involving Newton's laws of motion.
A submarine send out a pulse of ultrasound to check how close it is to the seabed the reflected waves are detected 0.2 seconds later work out the total distance travelled by the detected wave is the speed of ultrasound is in water is 1500 M/S
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do you think the sea-surface temperatures are warmer or cooler due to the melting water?
Answer:
warmer
Explanation:
I really think it just gets hot
Answer:
It would be cooler I believe
Explanation:
15. Brandon weighs 600 newtons. What is his mass? *
A. 0.0163 kg
B.9.8 kg
C.61.2 kg
D. 2940 kg
Final answer:
To calculate Brandon's mass with a weight of 600 newtons, we use the weight formula W = mg, where g is the gravitational acceleration (9.8 m/s²). Dividing the weight by g gives a mass of 61.2 kilograms.
Explanation:
The question asks to find Brandon's mass given that he weighs 600 newtons. To find the mass, we use the formula of weight which is the product of mass (m) and the acceleration due to gravity (g), stated as W = mg. Since the acceleration due to gravity is approximately 9.8 m/s² on Earth, we can rearrange the formula to solve for mass: m = W/g. Plugging in the known values we get m = 600 N / 9.8 m/s², which gives us approximately 61.2 kg.
Therefore, the correct answer is C. 61.2 kg.
PLS HELP I NEED IT
Which objects allow humans to access groundwater? Select three options.
A. a spring
B. a well drilled into an aquifer
C. a well drilled below the water table
D. an aquifer capped by thick granite
E. layers of soil and rock above the water table
Answer:
A. a spring & B. a well dried into an aquifer.What is the job of chlorophyll in photosynthesis?
A) absorbs the sun’s energy
B) Makes CO2 for the plant
C) Reflects the 02
D) it give the plant energy
Answer:
A
Explanation:
Which is likely to produce the brightest spectra?
A. Holographic gratings
B. Reflection gratings on plastic
C. Transmission gratings on glass
D. Replica transmission gratings on plastic
Holographic gratings are likely to produce the brightest spectra.
Explanation:The correct answer is A. Holographic gratings are likely to produce the brightest spectra. Holographic gratings are created using interference patterns produced by laser light, resulting in highly precise and bright spectra. Reflection gratings on plastic (option B), transmission gratings on glass (option C), and replica transmission gratings on plastic (option D) can also produce spectra, but holographic gratings are known to have superior brightness and quality.
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The law of conservation of charge states that
Answer:
the law of conservation of charge states that electric charge can neither be created nor destroyed.
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Explanation:
Answer:
The law of conservation of charge states that the total electric charge in an isolated system never changes, or that electric charge can neither be created nor destroyed. Similar to the law of conservation of mass or the law of conservation of energy, it rules that there must be a sense of balance. Hope this helps! :)