Answer: D) Crystalline and rigid
Explanation:
Ice is considered to be a rigid mineral. It possesses a regular crystalline structure based on the molecule of water, which consists of a single oxygen atom covalently bonded to two hydrogen atoms, or H–O–H.
Answer: D
Explanation:
The distance from the maximum disturbance to the undisturbed position is the____ of a wave
Answer:
The amplitude of a wave is its maximum disturbance from its undisturbed position
When tectonic plates are strained to the point that they can no longer bend, which of the following is most likely to occur?
A. Earthquake
B. Volcanic Eruption
C. Convection Current
D. Ocean Basin Formation
When tectonic plates are strained to the point that they can no longer bend, (A) earthquake most likely to occur.
What is earthquake?An earthquake is the sudden release of energy from the earth's crust that causes the earth's surface to shake. Seismic waves, also called S waves, are consequently produced. The type and severity of an earthquake are based on the local seismic activity.
What is Volcanic Eruption?A volcanic eruption occurs when elements of the Earth, such as hot lava, rocks, and dust, erupt from a volcano in the form of an explosion. The upper portion of the volcano or one of the side branches may explode. If massive volumes of rock and volcanic ash begin to erupt, it might be dangerous. Occasionally, numerous lives are lost in these explosions.
When tectonic plates are strained to the point that they can no longer bend, in such scenario, earthquake is most likely to occur.
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Please help.
To which 2 systems does the heart belong:
A. Circulatory system and Respiratory system
B. Circulatory system and Muscular system
C. Circulatory system and digestive system
D. Circulatory system and Reproductive system
Answer:
A
Explanation:
circulatoy system and respiratory
Answer:
A
Explanation:
;3
how does force do positive work on an object?
Answer:
It can do work on an object by moving it or changing it.
Explanation:
Brainliest?
Answer:
If you push on an object, thats positive work but if you pull on the object, thats negative work
Explanation:
A car veers off course and runs straight into a brick wall. This is an example
of which of the following?
A. long time, large force
B. long time, small force
C. short time, small force
D. short time, large force
Answer:
Short time large force
At what point in a waterfall, do the drops of water contain the most gravitational potential energy?
Answer:
The water above receives energy as it falls down the short waterfall. This energy was stored as potential energy in the gravitational field of the Earth and came out of storage as the water dropped. This energy which came out of the gravitational field ended up being expressed as the kinetic energy of the water. That is, the water gains kinetic energy as it drops. An ounce of water is going faster when it hits the bottom of the waterfall than it was when it went over the top of the waterfall
Explanation:
The drops of water contain the most gravitational potential energy at the top before they start falling.
At the top of the waterfall
GravitationAt the top of the waterfall, the water drops have the most gravitational potential energy before they start falling as the water at the peak of the waterfall is higher in the Earth's gravitational field and has gravitational potential energy. The potential energy is converted to kinetic energy when it falls. As a result, energy is not created; it was always there, stored as potential energy.
Potential energy is energy that is stored and is determined by the relative positions of various pieces of a system. Kinetic energy is the energy that an item or particle has as a result of its movement.
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A negative test charge experiences a force to the right as a result of an electric field. Which is the best conclusion to draw
based on this description?
The electric field points to the left because the force on a negative charge is opposite to the direction of the field,
The electric field points to the right because the force on a negative charge is in the same direction as the field,
No conclusion can be drawn because the sign of the charge creating the field is unknown,
No conclusion can be drawn because the amount of charge on the test charge is unknown.
Answer:a
Explanation:
Answer: ( A )
Explanation: the answer is a
Anand gets into an elevator and travels 50 m straight up in a time of 5 s. He then travels in the opposite direction, straight down, for 70 m in a time of 6 s. What is his average speed and velocity, respectively, over the 11 s period?
A. 10.9 m/s, 1.82 m/s
B. 10.9 m/s, −1.82 m/s
C. 21.8 m/s, 10.9 m/s
D. −10.9 m/s, 5.2 m/s
Answer:
10.9 m/s, −1.82 m/s
Explanation:
We have,
Anand gets into an elevator and travels 50 m straight up in a time of 5 s. He then travels in the opposite direction, straight down, for 70 m in a time of 6 s.
Total time of journey is 11 seconds.
Total distance is 50 m + 70 m = 120 m
Total displacement is 50 m - 70 m = -20 m
Average speed, [tex]s=\dfrac{120\ m}{11\ s}=10.9\ m/s[/tex]
Average velocity, [tex]v=\dfrac{-20\ m}{11\ s}=-1.82 \ m/s[/tex]
So, the correct option is (b) 10.9 m/s, −1.82 m/s.
What is the resistance of a 6.0 m long gold wire (ρgold = 5.6 x 10 -8 Ω-m) whose cross-sectional area is 5x10 -7m 2 ? (Please show some work)
Answer:
R =0.672 ohms
Explanation:
We have,
Length of a gold wire is 6 m
Resistivity of gold is [tex]5.6\times 10^{-8}\ \Omega-m[/tex]
Area of cross section of the wire is [tex]5\times 10^{-7}\ m^2[/tex]
The resistance of a wire is given by the relation as follows :
[tex]R=\rho\dfrac{l}{A}\\\\R=5.6\times 10^{-8}\times \dfrac{6}{5\times 10^{-7}}\\\\R=0.672\ \Omega[/tex]
So, the resistance of the gold wire is 0.672 ohms.
Which are descriptions of gravity on Earth? Check all that apply.
an attractive force
a repulsive force
a noncontact force
a contact force
a horizontal force
a vertical force
Answer:
an attractive force
a noncontact force
a vertical force
Explanation:
Gravitational force is a NON-CONTACT FORCE. Gravitational force acts on all bodies on the earth that have mass. The force which is exerted through weight acts on the center of gravity of the body. The force is directed towards the center of the earth. The weight of a body is the gravitational force exerted by the earth on the body.
A,C,F.
Explanation: Got it correct.
What happens to inertia as you increase the mass?
In a nuclear fusion reaction, the mass of the products is _____ the mass of the reactants.
Answer:
more than
Explanation:
In a nuclear fusion reaction, the mass of the products is more than the mass of the reactants.
Which factors affect the speed of ocean waves?
Answer:
The speed of all ocean waves is controlled by gravity, wavelength, and water depth. Most characteristics of ocean waves depend on the relationship between their wavelength and water depth. Wavelength determines the size of the orbits of water molecules within a wave, but water depth determines the shape of the orbits
Explanation:
PLEASE GIVE ME BRAINLIEST
Pretend you are explaining to a friend an object's energy can change depending on the position of the object. Use details from the text to help you write your conversation below.
The text is the picture
I WILL MARK YOU AS BRAINLIEST
Answer:
sorry, need better iinformation
Explanation:
.
Answer:
i am confused
Explanation:
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For the girl to lift this rock, she must push her end down _____ to raise the rock _____.
A. a lot; a little
B. a little; a lot
C. a little; a little
Answer:
A is the correct answer
Explanation:
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When a ball is tossed upward, along the way
A. the amount of kinetic energy and the amount of potential energy change
B. all of its energy is lost to friction with the air, and both kinetic and potential energy are zero at the highest point of travel.
C. its potential energy decreases and reaches zero at the highest point of travel D. its total energy increases and is at a maximum at the highest point of travel
Answer:
A
Explanation:
going upward, kinetic energy decrease and potential energy increase
Answer:
A
Explanation:
As a ball is thrown into the sky, potential energy increases and kinetic energy decreases. But, the mechanical energy ( that is the sum of the potential and kinetic energy) remains the same....
9) Who was right about the atom, Bohr or Schrodinger?
Answer: Schrodinger
Explanation: because Schrodinger used mathematical equations to describe the likelihood of finding an electron in a certain position. This atomic model is known as the quantum mechanical model of the atom.
Schrodinger because Bohr's model was not completely correct, but it has many features that are approximately correct and it is sufficient for much of our discussion.
(05.03 MC)
The color of four stars is shown in the table below.
Color of Stars
Star Color
W Yellow
X White
Y Blue
Z Orange
What is the correct order of the surface temperature of the stars, starting from the highest to the lowest?
Group of answer choices
Y, Z, W, X
X, W, Z, Y
Y, X, W, Z
Z, W, X, Y
Answer:
C is correct
Explanation:
The order of the surface temperature of the stars, starting from the highest to the lowest is Y > X > W > Z.
What is Wien's displacement law ?Wien's displacement law states that, the black-body radiation curve for different temperatures will have different peaks of wavelengths and the wavelength is inversely proportional to the surface temperature.
Here,
According to Wien's displacement law,
The wavelength of the star is inversely proportional to its surface temperature.
λ [tex]\alpha[/tex] 1/T
where T is the surface temperature.
Therefore, the star with lowest wavelength will have the highest surface temperature.
Consider the wavelengths of each stars given,
The increasing order of their wavelengths can be written as,
λ(Orange) > λ(Yellow) > λ(White) > λ(Blue)
Therefore the increasing order of their surface temperatures will be,
T(Blue) > T(White) > T(Yellow) > T(Orange)
Hence,
The order of the surface temperature of the stars, starting from the highest to the lowest is Y > X > W > Z.
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What does the term “retroperitoneal” mean in the terms of the location of the kidneys ?
Answer:
"Retroperitoneal" refers to the back of the peritoneum, the membrane that lines the anatomical space in the abdominal cavity. Kidney stones may cause pain to the organs within the retroperitoneal space. A diagram of the aorta, a retroperitoneal structure.
Explanation:
What can happen if the excretory system doesn't work properly ?
the magnification priduced by a spherical mirror is +1/4.what type of image is formed?
Explanation:
As the magnification is positive , thus the image formed is inverted and real
A Physics question regarding circuits and electricity.
_____________ radiation is the least harmful type of radiation.
Alpha
Beta
Gamma
Explanation:
Alpha radiation is the least harmful type of radiation.
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When a current flows through a light bulb, it emits 30 J light energy in 2 seconds, What is the power of the bulb?
The power of the light bulb is 15 watts.
What is power ?Power in physics is defined as the rate of energy per unit time or in other words the work done by any electrical appliance per unit time. Power is expressed as -
P = E/T where E is Energy and T is the time period.
How to calculate the value of power in the question ?Given that the light bulb emits 30 J light energy in 2 seconds.
We have E = 30J and T = 2 seconds.
Therefore power(P) = Energy(E) / Time(T)
∴ P = 30 / 2 = 15 watts
Thus the power of the light bulb is 15 watts.
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Static electricity is an excess of neutrons.
A True
B. False
Answer: Static electricity is an excess of neutrons-FALSE
Explanation:
A P E X
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how is work related to potential and kinetic energy?
Answer fast, please.
As SCUBA divers go deeper underwater, the pressure from the weight of all the water above them increases tremendously which compresses the gases in their blood. What happens to the volume of gas in their blood as the diver rises quickly to the surface?
A.
As a diver rises, the pressure on their body decreases which allows the volume of the gas to decrease.
B.
As a diver rises, the pressure on their body increases which allows the volume of the gas to decrease.
C.
As a diver rises, the pressure on their body decreases which allows the volume of the gas to increase.
D.
As a diver rises, the pressure on their body increases which allows the volume of the gas to increase.
Answer: A.
As a diver rises, the pressure on their body decreases which allows the volume of the gas to decrease.
Explanation:
The problem is that a diver, experiences an increased pressure of water compresses nitrogen and more of it dissolves into the body. Just as there is a natural nitrogen saturation point at the surface, there are saturation points under water. Those depend on the depth, the type of body tissue involved, and also how long a diver is exposed to the extra pressure. The deeper a diver go, the more nitrogen the body absorbs.
The problem is getting rid of the nitrogen once you ascend again. As the pressure diminishes, nitrogen starts dissolving out of the tissues of the diver's body, a process called "off-gassing." That results in tiny nitrogen bubbles that then get carried to the lungs and breathed out. However, if there is too much nitrogen and/or it is released too quickly, small bubbles can combine to form larger bubbles, and those can do damage to the body, anything from minor discomforts all the way to major problems and even death.
Which of the following is a homogenous mixture?
Answer:
Blood
Explanation:
Homogenous means the same type and a box with toys, spaghetti and meatballs, and trail mix all have variety.
Answer:
B is the correct answer
what are the 2 processes involved in parents passing on their genes?
Answer:Chromosomes are passed from parents to offspring via sperm and eggs. The specific kind of chromosome that contains a gene determines how that gene is inherited.
Explanation:
