Answer:
1.4 red : 0 white
Explanation:
Answer: A
Explanation:
Part B Next you'll investigate how precipitation varies throughout Earth. Visit the My NASA Data e website and select Data Set in the top left corner. Within the Hydrosphere category, select All Data. Within All data category select Precipitation, and then select Monthly Precipitation. After the new map appears, select Animate near the top of the page, and then select OK to see the animation. Set the time range on the animation for the most recent five years, and then click Submit. You can control the speed of the animation with the controls beneath the map. Question 1 Describe patterns you see in the precipitation on Earth. How do these patterns change during the course of a year and from year to year? Use lines of latitude and the amount of precipitation in millimeters/day (mm/day) in your description.
The patterns you see in the precipitation on Earth are that it is often distributed evenly or unevenly via:
Geographical methodTemporal methodSeasonal methodWhat is the pattern of precipitation on earth?The yearly precipitation over the Earth is found to be approximately about 100 cm (that is 39 inches).
Note that is one that is often distributed unevenly. The areas of highest rainfall is known to be in the equatorial zone and the monsoon area of Southeast Asia.
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How do stars die?
Pls help
Answer: Stars die when their nuclear fuel runs out.
Explanation:
Answer: The final events of a star's life are determined by its mass. Massive stars swiftly burn through their hydrogen fuel, yet are hot enough to fuse heavier elements like helium and carbon.
Explanation:
As the distance from a charged particle, "q", increases, what happens to the electric potential?
it stays the same.
it decreases.
it increases.
As the distance from a charged particle, "q", increases, the electric potential decreases.
Electric potential between particlesThe electric potential between particles is the work done in moving a unit charge from infinity to a certain point against the electrical resistance of the field.
V = Kq/r
where;
K is Coulomb's constantq is the magnitude of the charger is the distance between the chargesThus, from the formula above, as the distance from a charged particle, "q", increases, the electric potential decreases.
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Magnetism is_____. Magnetism comes from ______found in the earth.
Answer:
Magnetism is a force . Magnetism comes from minerals found in the earth.
A point charge of 9.00 × 10−9 C is located at the origin of a coordinate system. A positive charge of 3.00 × 10−9 C is brought in from infinity to a point such that the electrical potential energy associated with the two charges is 8.09 × 10−7 J.
A point charge is located at the origin of a coordinate system. A positive charge is brought in from infinity to a point. The charges are at distance for given electrical potential energy is 3.34 x 10⁷ m.
What is electric potential energy?The electric potential energy is the work done by a test charge to bring it from infinity to a particular location.
The electric potential energy is given by the relation,
V = kQ/r
where k = 9 x 10⁹ J.m/C ,Q = 3 x 10⁻⁹ C, V =8.09 × 10⁻⁷ J.
Substitute the values into the expression to get the distance between the charges.
8.09 × 10⁻⁷ = 9 x 10⁹ x 3 x 10⁻⁹ / r
r =3.34 x 10⁷ m
Thus, the distance between the charges will be 3.34 x 10⁷ m.
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why do waves carry energy but not matter
Answer:
The particles 'take part' in the wave by bumping into one another and transferring energy. This is why energy can be transferred, even though the average position of the particles doesn't change.
Explanation:
What is the energy of a photon with a wavelength of 245 nm
The energy of a photon with a wavelength of 245 nm will be 8.08 ×10⁻¹⁹ J. De Broglie relation is used to find out the energy.
What is wavelength?The distance between two successive troughs or crests is known as the wavelength. The peak of the wave is the highest point, while the trough is the lowest.
The relationship between the wave's wavelength,energy is;
[tex]\rm E = \frac{hc }{\lambda} \\\\ \rm E = \frac{6.6 \times 10^{-34} \times 3 \times 10^8}{245 \times 10^{-9}} \\\\ \rm E=8.08 \times 10^{-19}\ J[/tex]
Hence, the energy of a photon will be 8.08 ×10⁻¹⁹ J.
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A 30 ohm resistor and a 20 ohm resistor are
connected in series with a 100 volt battery. What is
the electrical current that would pass through the
30 ohm resistor?
The current that would pass through the 30 ohms resistor is 2 A.
What is electric current?Electric current is the rate of flow of electric charge round a conductor.
To calculate the electric current that would pass through the 30 ohms resistor, we use the formula below
Formula:
I = V/Rt........... Equation 1Where:
I = Electric current passing through the 30 ohms resistorV = VoltageRt = Total or effective resistance of the resistors.From the question,
Given:
V = 100 voltsRt = (30+20) ohms (since both resistors are connected in series)Rt = 50 ohmsSubstitute these values into equation 1
I = 100/50I = 2 AHence, The current that would pass through the 30 ohms resistor is 2 A.
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The diagram shows a positive charge moving in a magnetic field. a field of circles labeled b. there is a positively charged particle with a velocity vector pointing left labeled v. in which direction is the magnetic force acting on the charge? into the screen out of the screen up down
The magnetic force will be point upwards in perpendicular direction to the field.
What is the direction of magnetic force?The direction of the magnetic force on negative charge occurs in the opposite direction while it is directed to the positive charge direction.
From the given image and description, the positively charged particle with a velocity vector, v is pointing left, thus we can conclude that the magnetic force will be point upwards in perpendicular direction to the field.
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Answer:
c
Explanation:
27. A rock is lying at the top of a 2 m high cliff and it possesses a potential energy of 80 J. What
is the mass of the rock?
A 1.32 kg
B) 2.85 kg
C 3.94 kg
D) 4.08 kg
FINAL PLEASE HELP !!!
Identify trends in physical properties based on intermolecular forces
The Boiling point,melting point, surface tension and viscousity will increase while the Vapor pressure will decrease.
What are intermolecular forces?Intermolecular forces are the forces that bind two molecules together. Physical properties are affected by the strength of intermolecular forces
An increase in the strength of intermolecular forces increases will lead to an increase in force applied to break the barriers posed by the strength of the molecules.
This increased intermolecular strength will cause a rise in boiling point,melting point, viscousity and surface tension.
The Vapor pressure reduces with increasing intermolecular strength. Vapor pressure is the amount of vapor that is equilibrium with its own liquid or solid. Hence,with increasing intermolecular strength the amount of vapor that is in equilibrium with its own liquid will reduce.
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+
2.
2. Write the following chemical equations as
1. 4 Fe + 3 02->2 Fe2O3
5
The scientific name for this equation
Answer:
The representation of a chemical reaction in the form of substances is known as a chemical equation. The equation in which the number of atoms of all the molecules is equal on both sides of the equation is known as a balanced chemical equation.
The Law of conservation of mass governs the balancing of a chemical equation.
According to this law, mass can neither be created nor be destroyed in a chemical reaction and obeying this law total mass of the elements or molecules present on the reactant side should be equal to the total mass of elements or molecules present on the produc
A diffraction-limited laser of length L and aperture diameter 0.50 cm generates light of wavelength 700nm . If the beam is directed at the surface and the radius of the illuminated area on the surface is approximately 45cm, how far away is the surface
The distance of the surface illuminated by the light of the given wavelength is 5,269.32 m.
Distance of the surface
The distance of the surface illuminated by the light of the given wavelength is calculated as follows;
D = (rd)/(0.61λ)
where;
r is the radius of the illuminated area = 45 cm = 0.45 md is the diameter of the diameter = 0.5 cm = 0.005 mλ is wavelength = 700 nm = 700 x 10⁻⁹ mD = (0.45 x 0.005) / (0.61 x 700 x 10⁻⁹)
D = 5,269.32 m
Thus, the distance of the surface illuminated by the light of the given wavelength is 5,269.32 m.
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What happens to the energy of a wave if the amplitude is doubled?
What is the schwarzschild radius of a 10 solar mass black hole?.
Answer:
30km
Explanation:
Hope this helps and have a nice day :)
If sound a has a frequency of 450 hz and sound b has a frequency of 447 hz, how many beats will you hear when both are played together?
a. 0 beats per second
b. 3 beats per second
c. 6 beats per second
d. 1 beat per 3 seconds
Answer:
B. 3 beats per second.
Explanation:
I got the same question in gizmos and got it right.
A 2 kg ice cube is released from point A and slides on a frictionless track as shown in the figure. Determine the speed of the cube at points B and C.
According to the conservation of energy
Potential energy at any given instance is equal to the Kinetic energy as energy can neither be created nor be destroyedMass is 2kg=m
#A
h=5m
PE=mghPE
2(9.8)(5)10(9.8)98JNow
KE=98J1/2mv²=98J1/2×2v²=98Jv²=98Jv=√98v=9.4m/s#B
h=3.2m
PE:-
2(3.2)(9.8)6.4(9.8)62.7JNow
KE=62.7J1/2mv²=62.7v²=62.7v=√62.7v=7.9m/s#C
h=2m
PE
2(2)(9.8)4(9.8)39.2JNow
v²=39.2v=√39.2v=6.3m/sCzerski says the best reason that she can think of for studying physics has to do with how each of us has three life-support systems – what is meant by this? Explore this idea and identify where forensics fits into this three-life support system.
Answer:
The three life-support systems she talks about are, not just our own body, but civilization and the earth. All these things help us to survive. In forensics, this could be applied to finishing a case. Forensic’s life-support relies on, our knowledge, evidence, and technology.
why are microwaves stronger than radio-waves?
Answer: Heyaa! ~
Microwaves have a little more energy than radio waves.
Explanation:
The prior difference between a radio wave and microwave is that the microwave has a shorter wavelength as compared to radio wave.
Hopefully this helps you!
- Matthew ^^
Microwaves have a higher frequency than radio waves so more information can be conveyed. Not only that, they have the ability to transmit signals over a long distance without losing any data.
A 4.4 nC charge exerts a repulsive force of 36 mN on a second charge which is located
a distance of 0.70 m away from it. What is the charge (magnitude and sign) of the
second charge?
The magnitude and sign of the second charge will be + 8.6241×10⁻¹⁹ C. The principal of the Columb's law is used in the given problem.
What is Columb's law?The force of attraction between two charges, according to Coulomb's law, is directly proportional to the product of the charges and inversely proportional to the square of the distance between them.
Charges that are similar repel each other, whereas charges that are diametrically opposed attract each other.
They will repel, moving in opposite directions at the same speed. Because the magnitude and nature of the charge are the same.
The given data in the problem is;
q₁ is the charge 1 = 4.4 nC = 4.4 ×10⁻⁹ C
F is the repulsive force = 36 mN =36 ×10⁶ N
d is the distance = 0.70 m
The Coulomb force is found as;
[tex]\rm F = \frac{Kq_1q_2}{r^2}\\\\\ \rm 36\times 10^6 = \frac{9 \times 10^9 }{(0.7)^2} \times 4.4 \times 10^{-9} \times q_2\\\\\ q_2 = 8.6241 \times 10^{-19 } \ C[/tex]
Hence, the magnitude and sign of the second charge will be + 8.6241×10⁻¹⁹ C.
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A friend frequently misses the morning
school bus. Use the scientific method to
address this problem.
Answer: Heyaa! ~
State of the problem is that your friend routinely misses the school bus.
Explanation:
What are the causes for his missing the school bus:
Not waking early enoughToo long breakfastToo far to the bus stop.Deliberately tries to miss the bus.Hopefully this helps you!
-Matthew ^^
who discovered the laws of physics
Answer: Isaac Newton
Explanation: Isaac Newton is popularly remembered as the man who saw an apple fall from a tree, and was inspired to invent the theory of gravity. If you have grappled with elementary physics then you know that he invented calculus and the three laws of motion upon which all of mechanics is based.
Is it accurate to say that galaxies take up most of the volume of space? Why or why not?
Answer:
ntergalactic space takes up most of the volume of the universe, but even galaxies and star systems consist almost entirely of empty space.
Explanation:
so to be exact galixes do make up most of the volume of space because galaxies are what make up space!
The population of the United States releases approximately 17 x 10¹⁸ J of energy every year by burning gasoline for trucks and automobiles. Approximately how much mass in this equal to?
The equivalent amount of gas released by the population of the united states is : 1.89 * 10⁻¹⁶ kg
To determine the equivalent mass released by the populationWe will Convert the energy released in Joules ( 17 * 10¹⁸ J ) to mass using the conversion calculator. therefore aproximately the mass of energy released by the population is 1.89 * 10⁻¹⁶ kg.
Hence we can conclude that The equivalent amount of gas released by the population of the united states is : 1.89 * 10⁻¹⁶ kg.
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A toy car with a mass of 3 kg starts at rest. A spring performs 220 J of work on the car. Using the Work-Energy Theorem determine the approximate final velocity of the toy car.
a) 660 m/s
b) 147 m/s
c) 73 m/s
d) 12 m/s
The final velocity of the toy car given the data from the question is 12 m/s (Option D)
What is velocity?This is defined as the rate of change of displacement with time.
However, the velocity of an object is related to its energy according to the following equation
E = ½mv²
Where
E is the energym is the massv is the velocityHow to determine the velocityFrom the question give above,the. following data were obtained
Energy (E) = 220 JMass (m) = 3 KgVelocity (v) = ?E = ½mv²
220 = ½ × 3 × v²
220 = 1.5 × v²
Divide both side by 1.5
v² = 220 / 1.5
Take the square root of both side
v = √(220 / 1.5)
v = 12 m/s
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Jason wants to conserve energy. he could:
ride the bus to and from work
write to his local congressman
change the type of paint used in his house
pass out flyers about the issue
If Jason wants to conserve energy, he could ride the bus to and from work.
What is the law of Conservation of energy?The law of Conservation of energy states that energy cannot be created nor destroyed but can be changed from one form to another.
There is no net change in conserving energy.
Thus, Jason conserves energy by riding the bus to and from work.
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Where do living things get the specific instructions for the proteins they make?
Answer:
large membrane enclosed structure
Two waves have amplitudes of 10 m and 7 m, respectively. What are the maximum and minimum amplitudes of the resultant wave if they interfere first constructively, and then destructively?.
I hope this helps you....
PLEASE HELP ME PLS PLS Imagine an object held at some height above the ground. It is released and falls toward the ground. Ignoring air resistance or friction, which of the following must be true?
a
Before it falls, all of its energy must be potential energy
b
At the end of its fall, all of its energy must be converted to kinetic energy
c
During its fall, the combination of its kinetic and potential energy must equal the amount of potential energy with which it started
d
Total energy = Kinetic Energy + Potential Energy
e
All of the above
Option e is true. The total energy is the sum of all the energies present in the system. The potential energy in a system is due to its position in the system.
What is the law of conservation of energy?
According to the Law of conservation of energy. Although energy cannot be generated or destroyed, it may be transferred from one form to another.
The following statements are true;
a)All of its energy must be potential energy before it falls.
b)At the conclusion of its fall, all of its energy must be transformed to kinetic energy.
c)During its fall, the sum of its kinetic and potential energy must match the initial quantity of potential energy.
d)Total energy = Kinetic Energy + Potential Energy.
Hence, option e is correct.
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HELP MEEEEEEEEE! what is the frequency corresponding to a period of 5.91 s? Answer in units of Hz
Answer:
frequency = 1/Period
= 1/5.91s
= 0.169204Hz