Answers
Answer:
c no definite shape and volume
The one that is the characteristic of gas is that it has no definite shape or definite volume. The correct option is A.
Gases have a number of distinctive characteristics. The fact that they don't have a set shape means that they can fit into and take on the shape of any container that they occupy.
Due to their high compressibility, gases can occupy a variety of spaces. Because of this, they lack a fixed volume.
Gaseous particles have the potential to disperse and diffuse because they are constantly moving, moving erratically and quickly.
Additionally, compared to liquids and solids, gases have lower densities. They also have traits like high thermal expansion and the capacity to mix and separate with ease.
Thus, the correct option is A.
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Related Questions
Together, two students exert a force of 825 N in pushing a car a distance of 35 m.
How much work do the students do on the car?
Answers
Answer:
28875 Joule
Explanation:
W = F * d
W = 825*35 = 28875 J
The work done by the students in pushing a car at a distance of 35 meters would be 28875 Joules.
What is work done?The total amount of energy transferred when a force is applied to move an object through some distance
The work done is the multiplication of applied force with displacement.
Work Done = Force * Displacement
As given in the problem Together, two students exert a force of 825 Newtons in pushing a car at a distance of 35 meters, then we have to find out the work done by the students,
The force exerted by the students = 825 Newtons
The distance moved by car = 35 meters
work done by students = 825×25
=28875 Joules
Thus, the work done by the students would be 28875 Joules.
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What do we call the quantity force multiplied by distance
Answers
Answer:
When the force is multiplied by the time of its application, we call the quantity impulse, which changes the momentum of that object.Explanation:
Answer:The quantity force multiplied by distance is called work
Explanation:This is because work is the measure of energy in applying force over a certain distance.
can someone help m e
Answers
Answer:
A.when the distance is very close from the source
Explanation:
Answerwhen the distance is very close from the source
Explanation: A
If you drew magnetic field lines for this bar magnet, which statement would be true?
Arrows point away from south and toward north.
Arrows point toward both north and south.
Arrows point away from north and toward south.
Arrows point away from both north and south.
Answers
Answer:
the arrows would point away from the north and towards the south.
Explanation:
magnetic field lines form loops around the magnet and they start at the north pole and end at the north pole, meaning that the arrows on a diagram would point away from the north and towards south.
*PLS READ: so sorry I made a mistake in my answer, the loops formed start at the north and END AT THE SOUTH POLE!! I'm so sorry :(
Answer:
The answer is C.) Arrows point away from Norht and towards South.
Explanation:
I took the K12 quiz. The picture is linked at the bottom of my answer. Hope you have an awesome day! Good luck!
In charging by rubbing, electrons move from one material to another because
A. substances with very few neutrons have a net positive charge, so
they get the extra electrons.
O B. heavier substances get rid of electrons so they don't weigh as
much.
O C. the substance with the most protons steals electrons from the
other substance.
O D. some substances hold onto electrons tighter than other
substances, so they get the extra electrons.
Answers
Answer: D.
some substances hold onto electrons tighter than other
substances, so they get the extra electrons.
Explanation: When two substances are in contact by rubbing each other, there will be friction between them. The friction will stimulate what we called - Thermal energy. And what thermal energy does is the disrupt the bonding force or enhance it.
We can therefore conclude that some substances hold onto electrons tighter than other substances, so they get the extra electrons. Because at neutral state of the substance, the number of protons is equal to the number of electrons.
ANSWER ASAP AND WILL GIVE BRAINLIEST AND POINTS
Which line indicates the orbit of Mars?
Answer choices:
B
D
A
C
Answers
Answer:
D
Explanation:
Mars is the planet between Earth and Jupiter, or the 4th planet from the Sun.
Answer:
D is the correct answer
HELP PLEASE!! A yellow ball with a mass of 2kg is rolling across the floor at 3m/s. A red ball with a mass of 3kg is rolling across the same floor at 3m/s. Which ball has greater kinetic energy, and why?
Answers
K.E. = 1/2 • mass • velocity squared
They both have the same velocity, so whichever has the higher mass has more kinetic energy.
Answer: B. The red ball has greater kinetic energy, because it has a greater mass.
Explanation:
The factors influencing the kinetic energy of an object are its mass and its velocity. Both of the balls have the same velocity; however, the red ball has a greater mass. Therefore,
The red ball has greater kinetic energy, because it has a greater mass.
I hope this helps:)
the force of attraction between two masses is 3.60 Newtons if one of the masses is tripled and the distance between the masses is quadrupled what is the new force of attraction
Answers
Answer: F = 19.2 N
Explanation: Given that the initial Force = 3.6N
The formula involved is
F = GMm/r^2
Substitute the force F
3.6 = GMm/r^2
If one of the masses is tripled and the distance between the masses is quadrupled. We have
3.6 = (G × 3Mm)/(4r)^2
Where G will be constant.
3.6 = 3GMm/16r^2
Separate the fraction of number
3.6 = 3/16 × GMm/r^2
Make GMm/r^2 the subject of formula
(3.6 × 16)/3 = GMm/r^2
19.2 = GMm/r^2
Therefore, the new force of attraction is 19.2 N
During every chemical reaction what happens
Answers
_______ force can be thought of as either a push or a pull, as long as it
makes the object move in a circular path.
Answers
Answer: Centripetal
Explanation: The centripetal force refers to the acting on a body moving in a circular path. This force acts in the direction of the center of rotation. The centripetal force is given by :
F = mv^2 / r
Where m = mass of th body
v. = Velocity
r = radius of the circular path.
For an object to move in a circular path, the force required is called the centripetal force. It is measured in Kgms^-2. It is directly proportional to the product of the Mass and square of it Velocity and varies inversely to the Radius of its path.
If we decrease the amount of force, and keep all other factors the same, what will happen to the amount of work? The amount of work will go down because the distance will decrease. The amount of work will go up because the distance will decrease. The amount of work will go down because the distance will increase. The amount of work will go up because the distance will increase.
Answers
Answer:
The amount of work will decrease because force is directly proportional to work
while distance will increase since it is inversely proportional to force.
Answer:c
Explanation:The amount of work will go down because the distance will increase.
How is work related to force and displacement?
Answers
Answer:
Displacement is the distance and direction an object is moved. Force and work are directly proportional to each other, while force and displacement are indirectly propotional. The equation showing the relationship is W= Fd. OR Work is a scalar. The rate at which work is done or at which energy is transferred. Work is equal to the force parallel to the displacement.
Explanation:
Work is related to force and displacement as the work is the product of the displacement and the force.
What is work done?The total amount of energy transferred when a force is applied to move an object through some distance
The work done is the multiplication of applied force with displacement.
The SI unit of work done by an object is Joules.
IJ is the work done when a force of 1 N displaces an object by 1 m .
work is the product of displacement and force.
Work Done = Force * Displacement
For example, let us suppose a force of 100 N is used to displace an object by a displacement of 50 m then the work done on the object can be calculated by the above-mentioned formula
work done = 100 N ×50 m
=5000 N m
Thus, we can say the work done on an object depend on the force as well as the displacement, as the work is the product of the force and the displacement
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Please help me answer this question! Will appreciate help very much. a) Draw a circuit to show 3 lights in series b) Draw a circuit to show 2 lights in parallel c) Draw a circuit that shows 2 lights in parallel which are both in series with a third light. d) What would happen to the 2 other lights if the third light in question c) fails
Answers
Answer:
C kind sir
Explanation:
Identify the clean sources of energy.
Answers
Answer:
biomass, geothermal, hydropower, solar, and wind.
hope this helped!
Which of the following is an example of a medium for a visible light wave?
A. air
B. electrons
C. green light
D. blinds on a window
Answers
Answer:
C. green light
Explanation:
Answer:
i think D
Explanation:
hope it helps
Ax = 44.4 m and Ay = 25.1 m Find the direction of the vector.
Answers
Answer: 29.5 degree
Explanation: Given that
Ax = 44.4 m and Ay = 25.1 m
The direction of the vector will be
Tan Ø = Ay/Ax
Substitute Ay and Ax into the formula
Tan Ø = 25.1/44.4
Tan Ø = 0.5653
Ø = tan^-1(0.5653153)
Ø = 29.48 degree
Ø = 29.5 degree approximately.
Therefore, the direction of the vector is 29.4 degrees approximately.
Light travels approximately 982,080,000 ft/s, and one year has approximately 32,000,000 seconds. A light year is the distance light travels in one year.
Calculate the distance of one light year in feet.
Answers
Answer: 3.142656 × 10^16 feet
Explanation: Given that the
Speed = 982,080,000 ft/s, and
Time = 32,000,000 seconds
The formula for speed is:
Speed = distance/ time
Make distance the subject of formula
Since the time is second in one year and speed is ft/s, substitute both into the formula
Distance = speed × time
distance = 982,080,000 × 32,000,000
Distance = 3.142656 × 10^16 feet.
The distance of one light year in feet is 3.142656 × 10^16
Which statement is true according to Newton's second law of motion?
OA
An object accelerates in the direction opposite to the direction of the force applied.
ОВ.
An object accelerates in the direction perpendicular to the direction of the force applied.
Ос. An object accelerates in the same direction as that of the force applied.
OD An object undergoes no acceleration on the application of force.
O E. An object's acceleration is independent to the force applied.
Answers
Answer: I think is OA.
Refer:
Newton's second law of motion states that the acceleration of a system is directly proportional to and in the same direction as the net external force acting on the system, and inversely proportional to its mass. In equation form, Newton's second law of motion is a=Fnetm a = F net m .
Does anyone know how to do this question???
Force = 7kN
Pressure = 1mPa
Area = ?
Answers
Answer:
7000 m^2
Explanation:
Pressure=Force/Area
1=7000/Area
1(Area)=7000
Area=7000 m^2
how has E=MC2 helped us with our understanding of how stars like our Sun create energy?
Answers
Answer: please find the answer in the explanation
Explanation:
E = MC^2
Where
E = energy
M = mass
C = speed of light.
This equation is an eyes opener about the relationship between matter and energy. Its explanation about how matter can become energy and how energy can also give information about matter.
It helps us to understand the fusion and fission of both sun and star particles which eventually give us the result of the magnitude of energy they emit or radiate.
What does the law of conservation of energy state about both sides of the chemical reaction
Answers
Answer: D
Explanation: Energy is neither created nor destroyed so the amount of reactants and products must be equal
A washing machine heats 10kg of water in each wash cycle. How much energy is saved by washing at 30'c instead of 50'c if the starting temperature of the cold water is 16'c? The specific heat capacity of water is 4200 J/Kg'c
The two equations you can use is in the picture.
Answers
8.4 × 10⁵ Joules of heat energy can be saved assuming that there is no heat exchange between the washing machine and the environment.
What is Heat energy?Heat energy is the result of movement of tiny particles called as atoms, molecules, or ions in solids, liquids and gas substances. Heat energy can be transferred from one object to another object.
Let m denote the mass of water and the specific heat capacity of water. The energy required to raise the temperature of that much water by would be:
Q = m × c × ΔT
Washing at 30°C would require a temperature change of
ΔT = 30°C - 16°C = 14°C
Washing at 50°C would require a temperature change of
ΔT = 50°C - 16°C = 34°C
In both situations, c = 4.2 × 10³J.kg/ °C while m = 10kg.
Calculate the energy required in either of the situations as:
Washing at 30°C:
Q(30°C) = c × m × ΔT
Q = 4.2 × 10³J.kg/ °C × 10kg × 14°C
Q = 588000 Joules
Washing at 50°C :
Q (50°C) = c × m × ΔT
Q = 4.2 × 10³J.kg/ °C × 10kg × 34°C
Q = 1428000 Joules
1428000 Joules - 588000 Joules = 8.4 × 10⁵ Joules
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A squirrel jumps down from a tall tree. Assuming the squirrel is in free fall,
how far will it have fallen in 1.3 seconds?
O A. 6.4 m
B. 13.2 m
O C. 8.3 m
O D. 11.1 m
Answers
d=.5 x g x t^2
G=9.8 meters per second
t=1.3 seconds
d=0.5×9.8×1.3^2
Answer is C. 8.3 m
Answer:
8.3 m
Explanation:
What is the mass of a 600 gram object on the moon
Answers
Liam is two-years old. His mother is concerned about his behavior. Liam is very different from how his sister Briana was when she was his age. He does not make eye contact. When she smiles at him, he doesn’t smile back. He doesn’t seem to like her hugging or kissing him. It seems that Liam has
Answers
Answer:
Autism
Explanation:
Those are some symptoms of autism that you described
Answer:
Autism is the answer
Which of the following is NOT a vector quantity?
(A) Acceleration
(B) Average velocity
(C) Linear momentum
(D) Potential energy
(E) Force
Answers
Answer:
D
Explanation:
Acceleration has both magnitude and direction. because velocity is vector quantity
average velocity is vector
linear momentum = mass× velocity
therefore it's also vector
force = mass× acceleration
acceleration is vector therefore force also vector
potential energy= mgh
energy in any form is scaler quantity therefore potential energy too is a scaler quantity.
Select the smallest value from the choices below. (A) 15 x 10-3 (B) 0.15 x 100 (C) 0.00015 x 103 (D) 150 x 10-3 (E) 0.00000015 x 106
Answers
Answer:
E
Explanation:
Plug all of them into a graphing calculator and you will see that the last one is the smallest of them all
Answer:
E
Explanation:
Just use comon sense you will get the answer (No offense)
What is the average velocity of atoms in 1.00 mol of neon (a monatomic gas) at 465 K? For m, use 0.0202 kg.
Answers
Answer: 757m/s
Explanation:
Given the following :
Mole of neon gas = 1.00 mol
Temperature = 465k
Mass = 0.0202kg
Using the ideal gas equation. For calculating the average kinetic energy molecule :
0.5(mv^2) = 3/2 nRt
Where ;
M = mass, V = volume. R = gas constant(8.31 jK-1 mol-1, t = temperature in Kelvin, n = number of moles
Plugging our values
0.5(0.0202 × v^2) = 3/2 (1 × 8.31 × 465)
0.0101 v^2 = 5796.225
v^2 = 5796.225 / 0.0101
v^2 = 573883.66
v = √573883.66
v = 757.55109m/s
v = 757m/s
How much blood does the average adult have
Answers
A truck accelerated from a velocity of 20 m/s to velocity of 5 m/s in a period of 5 seconds. Determine the acceleration of the truck with the proper units.
A. 2 meters/ second
B. -3 meters/ second
C. 3 meters/ second squared
D. -3 meters/ second squared