Answer:
According to Newton's third law of motion, the reaction force is equal to the action force.
Explanation:
Newton's third law of motion states that for every action there is an equal and opposite reaction. This means that if one object exerts a force on a second object, the second object exerts an equal force in the opposite direction. When Plate X pushes on Plate Y with the action force (Fx), Plate Y must push back with an equal force (Fy).
Therefore, the best explanation is that according to Newton's third law of motion, the reaction force is equal to the action force.
For every action, there has equal and opposite reaction - this statement best describes the action and reaction forces on the plates.
What is Newton's 3rd law of motion?As a result of this interaction, there are two forces: one from plate X and one from plate Y. The third law of motion of Newton deals with these two forces, which are referred to as action and reaction forces. Newton's third law is officially expressed as follows: There is an equal and opposite reaction to every action.
The implication of the statement is that there are always two forces acting on the two interacting objects. The force acting on the first object is equal in size to the force acting on the second. The force acting on the first object is acting in the opposite direction to the force acting on the second object. Force pairs—equal and opposing action-reaction force pairs—always exist in pairs.
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What is the momentum of a 200 kg football player running west at a speed of 8m/s
Answer:
The answer is 1600 kgm/sExplanation:
The momentum of an object can be found by using the formula
momentum = mass × velocityFrom the question
mass = 200 kg
velocity / speed = 8m/s
We have
momentum = 200 × 8
We have the final answer as
1600 kgm/sHope this helps you
What acceleration will all objects experience during their flights through the air (on Earth)?
Answer:
d
Explanation:
Answer:
9.8 m/s/s
Explanation:
As such, all objects free fall at the same rate regardless of their mass. Because the 9.8 N/kg gravitational field at Earth's surface causes a 9.8 m/s/s acceleration of any object placed there, we often call this ratio the acceleration of gravity
difinition of gravity
Answer:
it's all around you and it can't be destroyed
To understand the origin of the torque on a current loop due to the magnetic forces on the current-carrying wires.
This problem will show you how to calculate the torque on a magnetic dipole in a uniform magnetic field. We start with a rectangular current loop, the shape of which allows us to calculate the Lorentz forces explicitly. Then we generalize our result. Even if you already know the general formula to solve this problem, you might find it instructive to discover where it comes from.
a) Give a more general expression for the magnitude of the torque τ. Rewrite the answer found in Part A in terms of the magnitude of the magnetic dipole moment of the current loop m. Define the angle between the vector perpendicular to the plane of the coil and the magnetic field to be ϕ, noting that this angle is the complement of angle θ in Part A.
Give your answer in terms of the magnetic moment m, magnetic field B, and ϕ.
Answer:
The torque is [tex]\tau = B * m sin(\phi )[/tex]
Explanation:
Generally when current flow through a rectangular loop the magnetic dipole generated we can denote this as [tex]\vec m[/tex]
Here k is the length of the side of one side of the rectangular loop
Now when this loop is place in a magnetic field, the torque it experience is mathematically represented as
[tex]\vec \tau = \vec B \ X \ \vec m[/tex]
Here X stands for cross - product
From the question we are told that the angle between the vector ( [tex]\vec m[/tex])perpendicular to the plane of the coil and magnetic field(B) as [tex]\phi[/tex]
So
=> [tex]\tau = B * m sin(\phi )[/tex]
I don’t know why I am feeling worse day by day!
Answer:
Why ?? What happened ??
What are three types of electromagnetic waves that can be used to take
photographs??
Answer:
x-rays, Infrared rays, microwaves.
Arrange the following events in the mantle convection process. Use numbers 1-5.
a. Lithospheric plates move in the asthenosphere due to rising and sinking of
materials.
b. The decomposition of radioactive elements causes heat in the interior part of
the Earth
c. Heat slowly rises to the mantle and creates convection current.
d. Heat moves to the core.
e. The process repeats as cycle.
Answer:
1) Lithospheric plates move in the asthenosphere due to rising and sinking of materials is 1.
2) The decomposition of radioactive elements causes heat in the interior part of the Earth
3) Heat slowly rises to the mantle and creates convection current.
4). Heat moves to the core
5) The process repeats as cycle.
Explanation:
Mantle convection is the gradual slow creeping of movement of the Earth's mantle which is as a result of convection current which transfer heat from the interior to the surface of the Earth .
The process of mantle convection start with
1. Lithospheric plates move in the asthenosphere due to rising and sinking of materials is and thus form the two component of the mantle.
2) The decomposition of radioactive elements causes heat in the interior part of the Earth. This is as a result of accretion which is associated to sea flooding
3) Heat slowly rises to the mantle and creates convection current.
4). Heat moves to the core, cools down by conduction and convection of heat.
5) The process repeats as cycle.
The proper and correct arrangement of events in the mantle convection process are:
1. The decomposition of radioactive elements causes heat in the interior part of the Earth.
2. Heat moves to the core
3. Heat slowly rises to the mantle and creates convection current.
4. Lithospheric plates move in the asthenosphere due to rising and sinking of materials.
5. The process repeats as a cycle.
Convection is considered to be one of the most efficient ways through which heat is transported from the interior of planet Earth to the surface.
Mantle convection can be defined as the very slow transfer of heat due to the movement of Earth's solid silicate material within the mantle.
Basically, the slow creeping of the mantle causes a transfer of heat from the white-hot core to the brittle lithosphere during mantle convection.
Furthermore, the heating of the mantle takes place from below (the core) and it rises upward in hotter regions while it sinks down in colder regions.
The proper and correct arrangement of events in the mantle convection process are:
1. Heat is caused in the interior part of the Earth due to the decomposition or decay of radioactive elements.
2. Heat moves to the core.
3. Heat slowly rises from the Earth's core to the mantle and creates convection current in the asthenosphere, which is the plastic layer of the mantle.
4. Lithospheric plates move in the asthenosphere due to rising and sinking of materials.
5. The process is then repeated as a cycle.
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Which value is NOT equivalent to the others?
Multiple choice question.
A)
5 × 1011 nm
B)
0.5 km
C)
500 m
D)
5000 cm
Answer:
A) 5 × 1011nm
I think It's A
The equation Upper E equals StartFraction 1 Over 2 pi epsilon Subscript 0 EndFraction StartFraction q d Over z Superscript 3 EndFraction is approximation of the magnitude of the electric field of an electric dipole, at points along the dipole axis. Consider a point P on that axis at distance z = 23.00d from the dipole center (d is the separation distance between the particles of the dipole). Let Eappr be the magnitude of the field at point P as approximated by the equations below. Let Eact be the actual magnitude. What is the ratio Eappr /Eact?
Answer:
E_aprox = 1.003 E_real
Explanation:
In this exercise we are given the expression for the electric field of a dipole in the axis direction of the dipole
E_real = k 2q d / √(z² + d²)³
I think your equation has some errors.
In this case they indicate that d is the separation of the charges of the dipole
in the case of z »d this equations approximates
E_aprox = k 2q d/ z³
calculate the value for the two cases
E_real = k2q d / √[ ((23d)² + d²)³]
E_real = k2q d / d³ 12201
E_real = k2q 1/12201 d²
E_aprox = k2q d / (23.00d)³
E_aprox = k2q 1/12167 d²
the error between these quantities is
E_aprox / E_real = 12201 d² / 12167 d²
E_aprox / E_real = 1.003
E_aprox = 1.003 E_real
Two particles are separated by 0.38 m and have charges of -6.25 x 10-°C
and 2.91 x 10-°C. Use Coulomb's law to predict the force between the
particles if the distance is cut in half. The equation for Coulomb's law is
Fe = kqu92, and the constant, k, equals 9.00 x 109 Nm2/C2
A. 1.13 x 10-6N
B. 4.53 x 10-6N
C. -1.13 x 10-6N
D. -4.53 x 10-6N
Answer:
-4.53 X 10-6N
Explanation:
apex
a phosphorus atom needs to gain ---electrons to achieve a full octet
Answer:
Three (3).
Explanation:
The octet rule is a rule in chemistry that states that, chemical elements would either gain or loss electrons in their outermost shell in order to attain a stable electronic configuration i.e having eight (8) valence electrons in their outermost shell such as chemical elements found in group 8 (2-8-8) known as noble gas.
A phosphorus atom needs to gain three (3) electrons to achieve a full octet because the atomic number of phosphorus is 15 and as such it has the electronic configuration of 2-8-5 and needs three electron in order to become a stable element.
Does horizontal motion have any formula?
An object accelerates from rest to a velocity of 34 m/s
over a distance of 70 m. What was its acceleration?
Answer:
6.8m/s²
Explanation:
Given parameters:
Initial velocity = 0m/s
Final velocity = 34m/s
Distance = 70m
Unknown:
To solve this problem we apply one of the motion equations;
V² = U² + 2aS
where V is the final velocity
U is the initial velocity
a is the acceleration
S is the distance covered
Input the parameters and solve;
34² = 0² + 2 x a x 70
34² = 140a
a = 6.8m/s²
PLS HELP!!
Which correctly identifies a type of heat transfer shown in the figure above?
C = radiation
B = conduction
A = convection
A = radiation
Answer:
conduction
Explanation:
Metals are good conductors of heat .In the pic the thermal energy is conducted by the cooker and the food gets cooked.Option B is correctAnswer:
[tex] \sf B = conduction[/tex]
How fast would an inline skater have been traveling if he had covered 400 m in 10
seconds?
Answer:
The answer is 40 m/sExplanation:
The speed or velocity of an object given it's distance and time taken can be found by using the formula
[tex]v = \frac{d}{t} \\ [/tex]
From the question we have
[tex]v = \frac{400}{10} \\ [/tex]
We have the final answer as
40 m/sHope this helps you
Jack bought 8 boxes of soda. how many cans did he buy if each box holds 34 cans?
Answer:
272
Explanation:
hope this helps you!!!
Which of the following is a benefit of physical activity?
Answer:
B
Explanation:
better concentration
I
7. A person playing basketball changes what
energy, from food into what energy, and what energy as they sweat?
Answer:
I think food into chemical energy
Explanation:
this possibly could be wrong but I think it's right
Which mathematical statement shows the relationship between gravity and mass?
Answer
F (force of gravity) = M (mass of an object) × G (acceleration due to gravity)
Step-by-step explanation:
Force of gravity (F) = Mass (M) × Gravitational acceleration (G)
The weight of an abject is equal to its gravitational force!
Explanation:
Answer:
[tex]F_{g} = \frac{m}{d^{2} }[/tex] shows the relationship between gravity and mass.
Explanation:
According to the Newton's law of gravitation, the gravitational force between two bodies is,
[tex]F_{g} = G.\frac{m_{1}.m_{2} }{d^{2} }[/tex]
here [tex]m_{1} and m_{2}[/tex] are masses, d is distance between them.
What is Newton's law of Gravitation ?It states that gravitational force acting two bodies is directly proportional to the product of masses and inversely proportional to the square of the distance between them.
In above formula ,
If [tex]m_{1} = 1 and[/tex] [tex]m_{2} = m[/tex]
so [tex]F_{g} = G \frac{m}{d^{2} }[/tex]
Since G is constant ,
[tex]F_{g}[/tex] ∝[tex]\frac{m}{d^{2} }[/tex]
Hence second option is correctly showing relationship between gravity and mass.
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PLEASE HELP!!!
If the current in a wire is 2.0 amperes and the potential difference across the wire is 10.0 volts, what is the resistance of the wire?
How are representative democracies and direct democracies similar?
In both, elected officials meet to make laws.
The power lies with the people in both types of government.
Both types of government work well in countries with large populations.
In both, citizens often represent themselves in voting on government decisions.
BRAINLYIST IS THE REWARD
Answer:
The answer is Both types of government work well in countries with large populations.
Explanation:
Answer:
its d
Explanation:
Megan is standing on a ladder picking apples in her grandfathers orchard. As she pulls each Apple off the tree, tosses it into a basket that sits on the ground 3.0m below at a horizontal distance of 2.0m from Megan. How fast must Megan throw the apples (horizontally) in order for them to land in the basket
Answer:
2 meters per second
Explanation:
An airplane flies with a constant speed
of 720 km/h. How far can it travel in
3 hours
Answer:
2160 km/h
Explanation:
720 times 3 gives you the answer
What is the current in the 30.0 o resistor?
2.00A
32.0A
4.00A
30.0A
Answer:
4.00 A
Explanation:
If a football player has a weight of 600 N on earth, what would his weight be on the moon?
Answer:
99n
Explanation:
Stored energy is_____ Energy.
A) Nuclear
B) Potential
C) Kinetic
D) Light
Water being held back by a dam possesses which type of energy?
A) Kinetic energy
B)Potential Energy
C) Nuclear energy
D) Chemical energy
what is 1/2 / 1/4. Please help am getting two answers.idk the correct one.
Answer:
2
hope this helps :)
Which two options would increase the electric force between two charged
particles?
O A. Increase the distance between the particles.
B. Increase the charge of one of the particles.
C. Decrease the charge of both particles.
O
D. Decrease the charge of one of the particles,
O E. Decrease the distance between the particles,
The two options would increase the electric force between two charged
particles is
E. decrease the distance between particles.
B. Increase the charge of one of the particles.
What is Electric force?The attractive or repulsive interaction that lies between any two charged objects should be called as the electric force.
When the distance between the particles is decreased and the charge of one particles should be increased so it increased the electric force.
hence, option b and option e are correct.
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HEY can anyone tell me the Atomic Mass of Helium and also what ever the number u get pls round it!!
Answer:
Hey!
Your answer is that the ATOMIC MASS of Helium is 4 u ROUNDED to 2 decimal places!
Explanation:
The precise amount is 4.002602 u.
I HOPE THIS HELPED YOU! :DA permanent magnet cannot be used in electrical bell .Why?
Answer:
we can not use permanent magnets in radio and electric bells , because permanent magnets loose their property after some time whereas we can change the properties of electromagnet.