Answer:
The most important number's formal name is "equilibrium climate sensitivity," and it's meant to represent the new equilibrium in surface temperatures after a change in the amount of the Sun's energy trapped here on Earth rather than radiated back to space.
Explanation:
please give me brain list and follow
The average global temperature is the most important value when talking about climate change because the Earth's temperature is increasing day by day due to the trapping of the Sun's light energy.
What is temperature?The temperature is the degree of hotness or coldness of the object.
The equilibrium climate sensitivity is the equilibrium in Earth's surface temperature. After the Sun's trapped energy is reduced, the climate changes accordingly.
Thus, the average global temperature is the most important value when talking about climate change because the Earth's temperature is increasing day by day due to the trapping of the Sun's light energy.
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if a car, going 20 m/s with a mass of 1000kg hits a garbage can, what is the momentum of the can and the car afterwards?
Answer:
Momentum is the product of the mass and velocity of an object.
[tex]p = m \times v[/tex]
[tex]p = 1000kg \times 20 \frac{m}{s} = 20000kg \times \frac{m}{s} [/tex]
A disturbance that generates a wave may be a simple pulse or shock
True or false
Answer:
That would be true.
-- a bell starts ringing (wave) when you tap it (simple pulse)
-- a pond starts rippling (wave) when a stone drops in (simple shock)
-- a guitar strings starts waving when you pluck it
The frequency will be 6 × 1014 H z of a typical green photon of 500nm emitted by the Sun. a. TRUE
b. FALSE
physics!!! please help D:
Fission reactions are currently used to provide energy for many different sources. Where does the energy produced during the reaction come from?
Answer: From the mass lost during the reaction, or the mass defect.
The energy produced during a reaction come from the heat energy which is released during splitting of uranium atoms.
What is a fission?Nuclear energy originates from the splitting of uranium atoms in the atmosphere, a process called as fission. This reaction generates heat energy to produce steam, which is used by a turbine generator to generate electric energy. Because, the nuclear power plants do not burn fuel, they do not produce any greenhouse gas emissions.
Uranium and plutonium are the most commonly used atoms for fission reactions in nuclear power reactors because they are very easy to initiate and control with time. The energy which is released by fission in these reactor heats water into the steam. The steam generated is used to spin a turbine to produce carbon-free electric energy.
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if a 0.040-kg stone is whirled horizontally on the end of a 60-m string at a speed of 4.4 m/s, what is the centripetal force ? * 0.013 n 4 n 0. 32 n 20.1 n
Answer:
0.013N
Explanation:
[tex]F=\frac{mv^{2} }{r}[/tex]
m=0.04, v=4.4m/s, r=60
F=0.013 N
what name given to the heat energy received from the sun
Answer:
solar energy
Explanation:
Please mark as the brainliest.
Answer:
The Name of the heat energy from the is called solar energy.
Can someone please help me with this
Answer:
i dont know about this
Explanation:
Pls someone help me!!!!!
Answer:
Seeing as how the balloon is mainly negatively charged and the paper being positively charged, the answer would be B: The tissue paper will stick to the balloon because the tissue paper is positively charged!
A moving electric charge is surrounded by:
no field
an electric field only
both an electric field and a magnetic field
a magnetic field only
Answer:
both an electric field and a magnetic field
Explanation:
Under the Big Top elephant, Ella (2500 kg), is attracted to Phant, the 3,000 kg
elephant. They are separated by 8 m. What is the gravitational attraction between
them?
Under the Big Top elephant, Ella (2500 kg), is attracted to Phant, the 3,000 kg elephant. They are separated by 8
A person can jump out of an airplane at 5000 feet, without a parachute, AND land on the ground safely (without any injury), IF they can manage to do what physics trick?
Lengthen the moment/time of impact
Bend knees right before impact
Spread out arms and legs to slow down
Shorten the length/time of impact
Answer:
Momentum is equal to mass for velocity (p1=mv)
But momentum is also equal to Force for time of impact (p1=Ft). Hence the impact force is inversely proportional to the fall time and directly proportional to the mass and fall velocity : F=mv/t^2 or F=p1/t
If he slows down, v diminishes and F diminishes
Hence correct Answer is C
How does convection play a role in hurricanes
Answer:
Convection is what keeps the hurricane going in till the storm hits land.
Explanation:
Convection is the warm, moist current that rises above sea level and as it cools into water vapor it releases energy which a hurricane runs on. Once the hurricane hits land it continues to lose energy to keep it going because there's no convection from the sea currents rising above sea level to release energy.
Hope this helps.
Putting the moon back to its original size, if it were suddenly to move to twice the
distance from the earth, how would that effect the force of gravitation with the
earth?
(b) Figure 4 shows a car travelling on a motorway.
A passenger wants to check the accuracy of the speedometer of the car.
The car is travelling at a constant speed.
The passenger has a stopwatch.
The lamp posts are 40 m apart.
lamp post
Figure 4
Describe how the passenger could determine the speed of the car as accurately
as possible.
(3)
Answer:
To calculate anything - speed, acceleration, all that - we need data. The more data we have, and the more accurate that data is, the more accurate our calculations will be. To collect that data, we need to measure it somehow. To measure anything, we need tools and a method. Speed is a measure of distance over time, so we'll need tools for measuring time and distance, and a method for measuring each.
Conveniently, the lamp posts in this problem are equally spaced, and we can treat that spacing as our measuring stick. To measure speed, we'll need to bring time in somehow too, and that's where the stopwatch comes in. A good method might go like this:
Press start on the stopwatch right as you pass a lamp postEach time you pass another lamp post, press the lap button on the stopwatchPress stop after however many lamp posts you'd like, making sure to hit stop right as you pass the last lamp postRecord your dataCalculate the time intervals for passing each lamp post using the lap dataCalculate the average of all those invervals and divide by 40 m - this will give you an approximate average speedOf course, you'll never find an *exact* amount, but the more data points you have, the better your approximation will become.
Ocean divers:
must breathe a mixture of oxygen and helium
cannot withstand the pressure of the ocean without special equipment
may one day breathe with artificial gills
all of the above
Answer:
all of the above.Explanation:
Answer:
im not sure but i think b. cannot withstand the pressure...
if not all the above.
Explanation:
Which of the following is NOT considered an invasion game or sport?
A. Lacrosse
b. Golf
c. Football
D.
Capture the Flag
Answer:
Golf
Explanation:
Golf is NOT considered an invasion game or sport
Decide whether these are true or false. Type out the whole sentence in the space and type a "T" beside the letter. Retype the sentences that are not correct. A. An object has acceleration if its velocity is changing. B. Force is measured in joules. C. Gravity is a force.
Answer:
1. True.
2. False.
3. True.
Explanation:
A. True: An object has acceleration if its velocity is changing. In physics, acceleration can be defined as the rate of change of the velocity of an object with respect to time.
B. False: Force is measured in joules. Force is a product of the mass of an object and its rate of acceleration. Thus, force is actually measured in Newton.
C. Gravity is a force. Gravity is considered to be a universal force of attraction which acts between all objects that has both mass, energy and occupy space. Therefore, it acts in such a way as to bring objects together.
Three vector are oriented as shown in figure below where. A=20.0units, B=40.0units, And C=30.0. (a) The x and Y component of the resultant vector. (b) The magnitude of the resultant vector. (c) Direction of the resultant vector { please help me}
Answer:
Explanation:
a). Vertical component of vector B = Bsin(45)
= 40sin(45°)
= 28.28 units
Horizontal component of vector B = Bcos(45°)
= 40cos(45°)
= 28.28 units
Vertical component of vector C = Csin(45°)
= 30sin(45°)
= 21.21 units
Horizontal component of vector C = Ccos(45°)
= 30cos(45°)
= 21.21 units
Vertical forces = A + Bsin(45°) - Csin(45°)
= 20 + 28.28 - 21.21
= 27.07
Horizontal forces = Bcos(45°) + Ccos(45°)
= 28.28 + 21.21
= 49.49 units
b). Magnitude of resultant force = [tex]\sqrt{(27.07)^2+(49.49)^2}[/tex]
= [tex]\sqrt{3182.045}[/tex]
= 56.41 units
c). Direction of the resultant force → Along vector B (at an angle of 45° from the horizontal line)
Select the correct answer from each drop-down menu.
Photosynthesis is a process in which plants prepare food using carbon dioxide, chlorophyll, and water in the presence of sunlight.
During photosynthesis,(blank)
energy is transformed into(blank)
1.Chemical,electrical,kinetic, Solar ?
2.Chemical, Electrical, Kinetic, Solar
Answer:
During photosynthesis solar energy is converted into chemical energy
Explanation:
During photosynthesis solar energy is converted into chemical energy in the form of energy rich bond of ATP molecule.
ATP (Adenosine triphosphate) and ADP (Adenosine diphosphate) molecules are termed currency of energy. ADP molecule is converted into ATP molecules, whenever energy is available in certain exothermic reactions of metabolism.
ATP molecules are store- house of energy. ATP molecule is broken down into ADP molecule in presence of enzyme ATPase, releasing energy whenever energy is required.
The synthesis of ATP molecules, utilizing solar energy during photosynthesis, is termed photo-phosphorylation.
These ATP molecules produced during light reaction of photosynthesis are utilized in dark reaction of photosynthesis (Calvin cycle).
ATP molecules synthesized during photo-phosphorylation may also be used in other metabolic reactions.
Photo-phosphorylation is of 2 types, i.e. Cyclic and Non-cyclic photo-phosphorylation.
Chlorophyll molecules entrap solar energy . There are 2 types of photo-systems in chlorophyll. These are photo-system -I and photo-system-II .
The electrons of chlorophyll molecule of photo-system I get excited which pass through series of electron carriers in electron transport system arranged in the order of decreasing energy level.
During the passage of electrons from carriers of higher energy level to the carriers of lower energy level, the energy is lost which is utilized for converting ADP molecule into ATP molecule.
Photo-system I is concerned with light reaction of photosynthesis only, constituting cyclic photo-phosphorylation.
The electron transport during Photo-system II results in the synthesis of NADPH2 in presence of enzyme NADP reductase. NADPH2 is used in reduction reaction of Calvin cycle.
Both Photo-systems participate in non-cyclic photo-phosphorylation that results in the synthesis of NADPH2 in addition to the synthesis of ATP molecules.
Pls helppp. Is this right?
Answer:
yes you are totally right
who invented Pascal??
If the velocity of a car is 45km/h west, how far can it travel in 0.5 hours
Answer:
22.5km
Explanation:
Since 0.5 of an hour is half of an hour, you have to divide 45 by half, and you would get 22.5 km
The Biot-Savart force law predicts the force on a charge moving ____ to a magnetic field.
a.perpendicular
b.parallel
This process releases a large amount of . Energy ,oxygen ,or water
Answer:
carbon dioxide i think please be right
The light is in one direction after passing through a polarizer
True or false
Answer:
Light propagating in a plane that makes a 0 degree angle with the polarizer will pass through and all other planes will only pass the component of the vector that is in line with the polarizer. What the image suggests, and other images like the second one, is that the light is now all propagating parallel to a single plane
Explanation:
hope this helps
Answer:
true
Explanation:
a polarizer allows only light of a specific wavelength to pass through
Plssss help———what is the difference between the weight of an object and the mass of an object? (Needs to be 4-5 complete sentences)
The mass of an object is a measure of the object's inertial property, or the amount of matter it contains. The weight of an object is a measure of the force exerted on the object by gravity, or the force needed to support it. The pull of gravity on the earth gives an object a downward acceleration of about 9.8 m/s2.
What has gravity led scientists to understand?
Answer:
Gravity is a non-contact force that was observed famously by Sir Isaac Newton, who watched an apple falling from a tree to the ground. ... Newton was the first to realise that gravity existed in space and it was the force which holds the Moon in orbit around the Earth and planets in orbit around the Sun.
Answer:
Newton's theory had prove that all objects, as small as an apple and as large as a planet, are subjected to gravity. Gravity helped to keep the planets rotating around the sun and creates the ebbs and flows of rivers and tides.Assume that a vaulter is able to carry a vaulting pole while running as fast
as Carl Lewis in his world record 100-m dash (around 12 m/s). Also assume
that all of the vaulter's kinetic energy is transformed into gravitational
potential energy. What vaulting height could that person attain?
(Hint: Use the equation 5 mu? = mgh.)
Answer:
5mu = carry a vaulting pole ( 12 m/s) Also
fast
All the vaulter's kinetic energy is transformed into gravitational potential energy. 7.35m is the that person's height.
What is kinetic energy ?Kinetic energy is the energy that an object has as a result of its movement. If we want to accelerate an object, we must apply force to it. Using force requires us to put in effort. After work is completed, energy is transferred to the object, and the object moves at a new constant speed.
The two most important factors influencing kinetic energy are mass and speed. Because an object's motion is determined by its velocity as well as its mass, though velocity is th
Given:
v = 12m/s
g = 9.8 m/s²
Kinetic energy = potential energy
K.E = P.E
1/2 mv² = mgH
H = v² /2g
H = 7.35m
Thus, 7.35m is the that person's height.
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how can we realize that light travel in straight line ?
Answer:
It can be seen from the operation of pin-hole camera, formation of shadows and eclipse.
Explanation:
The phenomenon of light traveling in a straight line is known as rectilinear propagation of light.
One this evidence can be seen from the operation of pin-hole camera, which depends on rectilinear propagation of light
Also two natural effects that result from the rectilinear propagation of light are the formation of Shadows and Eclipse.