Answer:
Explanation:
liquids have definite volume
liquids do not have definite shape. The take the shape of the container in which they are kept.
gases do not have definite volume.
gases do not have definite shape. They take the shape of the container in which they are kept.
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Explanation:
Liquids- Have definite volume
No definite shape(takes the shape of the container)
Gases- No definite volume
No definite shape(takes the shape of the container)
A pen cap floats in a plastic lemonade 3/4 full of water vif you squeeze the bottle the pen cap sinks to the bottom if you then let go of the bottle the pen cap floats to the surfce whe the bottle squeezed what ,if anything happens to the distance between the air molecules inside the bottle????????/
Answer:
The pressure of the air molecules inside the pen cap increases and the volume occupied by the air decreases such that the combined volume occupied by the pen cap and the air volume reduces while the combined mass of the pen cap and the air molecules remain the same
Given that density = The mass/Volume, we have that the density varies inversely as the volume, and as the volume reduces, the density increases
Upon squeezing, therefore, as the new combined density of the pen cap and the air molecules rises to more than the density of the water in the bottle, then, the pen cap air molecule is relatively more denser than the water, which will result in the pen cap sinking to the bottom of the bottle
Explanation:
How is momentum calculated?
O A. By dividing mass by velocity
B. By subtracting velocity from mass
C. By multiplying mass by velocity
D. By adding mass and velocity
Momentum can be calculated by multiplying the mass of an object by the velocity of an object. Thus, the correct option is C.
What is Momentum?The momentum is a quantity which can be defined as the product of the mass and velocity of an object. It is an example of standard mechanical quantity. Momentum is a vector quantity, this means it possess both a magnitude and a direction. If "m" is an object's mass and "v" is its velocity, then the object's momentum p is:
p = m × v
The examples of momentum is whenever we toss a ball at someone as well as it smacks them square in the face. It indicates how difficult it would have been to stop the ball.
Therefore, the correct option is C.
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How long will it take a projectile to hit the ground from a 400 m tall cliff when launched at 30 m/s horizontally?
19.55 sec
13.33 sec
9.03 sec
4.54 sec
Fast reply if possible
Explanation:
what will happen to products when we increase the amount of
reactants.
Answer:
Therefore, an increase in the concentration of a reactant will lead to a decrease in the amounts of all reactants and an increase in the amounts of all products.
Explanation:
What is your average speed in mph if you travel 15 miles in 2 hours and 30
minutes?
hey
Answer:
6 mph
Explanation:
mph = miles per hour
So 15 miles over 2.5hrs
So 15/2.5 = 6 mph
Elements in a group or family can be expected to have similar:
4) Why is it important to do a warm up with stretching and also a cool down with
stretching when exercising?
Answer:
Warming up may help reduce muscle soreness and lessen your risk of injury. Cooling down after your workout allows for a gradual recovery of preexercise heart rate and blood pressure.
Explanation:
How long will it take to travel 84 miles if
you are traveling at a constant 70 miles
per hour?
quick omg ‼️ please
Answer:
The answer is 1.2 hoursExplanation:
To find the time taken given the velocity and distance covered we use the formula
[tex]t = \frac{d}{v} \\ [/tex]
where
t is the time
d is the distance covered
v is the velocity
From the question
d = 84 mi
v = 70 mi/h
We have
[tex]d = \frac{84}{70} = \frac{6}{5} \\ [/tex]
We have the final answer as
1.2 hoursHope this helps you
metals with low resistivity behave as_____
Answer:
At most temperatures, silver has lowest resistivity.
However, superconductors have zero resistivity, which is the lowest. Superconductors are real, they are primarily used in very powerful magnets (such as in CERN). Known superconductors require VERY low temperatures which require expensive technology.
There is ongoing research to find compounds that exhibit room temperature superconductivity. If (when?) one or more is found, major changes to electricity as we know it will result. Not only will we be able to make very powerful magnets (for use in very powerful motors, generators, etc.), but the power companies will be able to move electricity from the generator to the user without loss. Today typical power transmission losses are between 8% and 15%. There may also be important benefits to computer and processing capabilities.
Hope this helps! :D
Which statement accurately describes static electricity?
Th beste description for static electricity is that It is caused by separated positive and negative charges.
What is static electricity?Static electricity referes to electricity that is static or that do not flow.
It is caused by separated positive and negative charges.
Therefore, the best description for static electricity is that It is caused by separated positive and negative charges.
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Answer:
B
Explanation:
Which of the following is a metal?
A.
iron (Fe)
B.
sodium (Na)
C.
calcium (Ca)
D.
all of these
Answer:
D. All of the above
Explanation:
YES
From the given options, Iron, sodium, and calcium are metals. (option d)
A. Iron (Fe): Iron is a metal. It is one of the most abundant elements on Earth and is widely used in construction, manufacturing, and various industries due to its strength and durability. Iron is an excellent conductor of electricity, which makes it essential for electrical applications.
B. Sodium (Na): Sodium is also a metal. It is a highly reactive metal and is commonly found in compounds like sodium chloride (table salt). Sodium is an essential element for living organisms and plays a crucial role in various biological processes.
C. Calcium (Ca): Calcium is a metal. It is an important element for the human body, as it is a major component of bones and teeth. Calcium is also involved in muscle contraction, nerve function, and blood clotting. Moreover, it is used in the production of alloys and as a deoxidizer in metallurgy.
D. All of these: The correct answer is D. All of the options (iron, sodium, and calcium) are metals. They exhibit typical metallic properties such as high electrical and thermal conductivity, metallic luster, and malleability.
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which graph above best illustrates homeostasis
An object carrying a force of 15N has a mass of 3kg. What is the
acceleration of this object?
Answer:
the acceleration would be 5kg
Explanation:because you would do 15 divided by 5
The major horizontal surface on an airplane that provides lift.
wings
Lift is generated by every part of the airplane, but most of the lift on a normal airliner is generated by the wings. Lift is a mechanical aerodynamic force produced by the motion of the airplane through the air.
If a man walks 600 meters in 300 seconds, what was his speed in meters per second?
Answer:
His speed in meters per second was 2. Or, 2 meters per second.
Explanation:
what are the four system of measurement
Answer:
ask google
Explanation:
WHAT IS PIVOT POINT ?
In financial markets, a pivot point is a price level that is used by traders as a possible indicator of market movement. A pivot point is calculated as an average of significant prices from the performance of a market in the prior trading period.
a pulley of radius 0.9m is used to lift a bucket from the well. if it took 3.6 rotations for the pulley to take water out of the well,how deep is water in the well?
Answer:
h = 20.36[m]
Explanation:
To solve this problem we must calculate the perimeter (length of a circumference) of the circumference, which is denoted by the following equation:
L = 2*π*r
where:
r = radius = 0.9[m]
π = 3.1416
L = 2*(3.1416)*(0.9)
L = 5.654[m]
Now we know that the pulley or circumference had to rotate 3.6 times to get the water out of the well. In this way the depth of the well can be calculated by means of the following equation:
h = 3.6*L
h = 3.6*5.654
h = 20.36[m]
A physical change is a change to the physical properties of a substance. This type of change does
not change the nature of the substance. *
Answer:
False
Explanation:
a gardener crosses a plant with red flowers with one with white flowers. each plant is pure for its trait for flower color.
if the gene for flower colors shows incomplete dominance, what kind of coloring will the flowers on the offspring plants most likely have
A Gardner crosses the plant with red and white flowers. Each is pure of its traits. If the gene of the flower shows incomplete dominance the dominant flow gene will show the color.
They are a mix of red and white then on the basis of dominance and recessiveness. The offspring will be in pink color. Hence the option C only pink is correct.Learn more about the plant with red flowers with one with
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In your own words, describe conservation of mass. Use examples to support your answer.
Answer:
The law of conservation of mass or principle of mass conservation states that for any system closed to all transfers of matter and energy, the mass of the system must remain constant over time, as the system's mass cannot change, so quantity can neither be added nor be removed
Explanation:
Hurricanes hit
regions more frequently because of the close proximity to large bodies of water.
Coastal
Mountainious
Midwestern
What is the trademark of the Harlem Globetrotters?
a steel ball of mass 0.1 kg falls from a height of 1.8metres
Representation in the House is based on
A. equality between states
B. a state's population
Answer:
state population
Explanation:
bestie you can find it on Constitution on article l
A ball is dropped off the roof of a tall building. If the ball reaches the ground in 8 seconds, how tall is the building, in meters? Round to the nearest whole number (a=9.8 m/s2)
Let b be the height of the building, and y the height of the ball at time t, given by
y = b - 1/2 gt²
where g = 9.8 m/s² is the magnitude of the acceleration due to gravity.
It takes the ball 8 s to reach the ground, at which point y = 0, so that
0 = b - 1/2 (9.8 m/s²) (8 s)²
b = 1/2 (9.8 m/s²) (8 s)²
b = 313.6 m
Here’s another one :(
importance of international bureau of weights and measures Inthe world
Answer:
The international bureau of weights and measures is an international organization to bring about the unification of different measurement systems to make or establish international standards and prototypes, etc.
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If you know the amplitude of a wave, you know the distance from what
Answer:
You know the distance from mean position.
Answer:
the equilibrium of one wave to the crest of the same wave.
Explanation:
The amplitude of a wave corresponds to the distance between the equilibrium position of the wave and the crest of the same wave (or the distance between the equilibrium position and the through of the same wave), therefore we see that this definition corresponds to option C,
the equilibrium of one wave to the crest of the same wave.
1. What are the properties of a compound? Give an example.
Answer:
A compound has unique properties that are distinct from the properties of its elemental constituents. One familiar chemical compound is water, a liquid that is nonflammable and does not support combustion. It is composed of two elements: hydrogen, an extremely flammable gas, and oxygen, a gas that supports combustion.
