Which of these will have the same units of pressure is multiplied by area? Velocity time force or pressure

here you go ........................................................

Answer:

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The current flowing through each wire is the experiment's independent variable because it is the one that the experimenter is actively manipulating and controlling.

The resistance is influenced by the wire's thickness, so the thicker the wire, the lower the resistance. Because less water can flow through a narrower pipe in a given length, there is more resistance in a narrower pipe.

Due to the alloy composition of nichrome wire, its resistance is quite high. Because of this, it generates a lot of heat when current flows through it, making it extremely hot to the touch.

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The frequency of a wave whose time period is 0.05 seconds is 20Hz. Option b is correct answer.

The frequency of a wave is defined as the number of cycles that the wave completes in one second. The time period of a wave is the time taken by the wave to complete one cycle. The relationship between frequency and time period is given by,

frequency = 1/time period

In this case, the time period of the wave is given as 0.05 seconds. Therefore, the frequency of the wave can be calculated as,

frequency = 1/0.05 = 20 Hz

So, the correct answer is option B: 20 Hz.

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Answer: the process of an animal or plant breeding with an individual of another species or variety

Explanation:

there you go

Answer:

In chemistry, orbital hybridization (or hybridization) is the concept of mixing atomic orbitals into new hybrid orbitals (with different energies, shapes, etc., then the component atomic orbitals) suitable for the pairing of electrons to form chemical bonds in valence bond theory.

Explanation:

just copied it :|

In order to estimate the time at which the cars will be side by side, we would need to know the initial positions and velocities of the cars, as well as any external factors that may affect their motion, such as friction, air resistance, or changes in acceleration.

We would also need to know the length of the road, the direction in which the cars are traveling, and any other relevant details about the situation.

Once we have this information, we could use kinematic equations to calculate the time at which the cars will be side by side, based on their initial conditions and any changes in their motion.

However, without this information, any estimate would be purely speculative and likely to be inaccurate.

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40 V

Explanation

Electric potential at any point inside a hollow metallic sphere is constant. Therefore, if potential at surface is 40 V, potential at centre will also be 40 V.

40V

also In a hollow sphere, with the charge on the surface of spheres, there is no charge enclosed within the sphere, since all the charges are in surface. Hence there is no electric field within the sphere.

I hope this helps you

The speed of the sports car at impact was 15 m/s.

To solve this problem, we can use the conservation of momentum and the work-energy principle. The momentum of the system of the two cars before the collision is zero since the SUV is at rest.

After the collision, the two cars move forward together as a single system and come to a stop, so the momentum of the system is also zero.

By conservation of momentum, the momentum of the sports car before the collision is equal in magnitude to the momentum of the two cars after the collision:

m_sports_car * v_sports_car = (m_sports_car + m_SUV) * 0

where m_sports_car and m_SUV are the masses of the sports car and SUV, respectively, and v_sports_car is the speed of the sports car before the collision.

Solving for v_sports_car, we get:

v_sports_car = 0 kg*m/s / 980 kg + 2300 kg = 0 m/s

This tells us that the two cars came to a complete stop after the collision. However, we also know that the cars skidded forward before stopping.

Using the work-energy principle, we can calculate the initial kinetic energy of the system and equate it to the work done by the frictional force in stopping the system:

1/2 * (m_sports_car + m_SUV) * v² = F_friction * d

where F_friction is the frictional force, d is the distance the cars skid, and v is the speed of the sports car before the collision.

Solving for v, we get:

v = sqrt(2 * F_friction * d / (m_sports_car + m_SUV))

We are given the coefficient of kinetic friction between the tires and the road, which allows us to calculate the frictional force:

F_friction = friction_coefficient * (m_sports_car + m_SUV) * g

where g is the acceleration due to gravity.

Plugging in the values and solving, we get:

v = sqrt(2 * 0.80 * (980 kg + 2300 kg) * 9.81 m/s² * 2.6 m / (980 kg + 2300 kg))

v ≈ 15 m/s

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Answer:

A solenoid is a long coil of wire wrapped in many turns. When a current passes through it, it creates a nearly uniform magnetic field inside. Solenoids can convert electric current to mechanical action, and so are very commonly used as switches. The magnetic field within a solenoid depends upon the current and density of turns.

Explanation:

hope this helped its pretty long

Answer:

A) the liquid particals move slower

Explanation:

vapor has a higher temp and have more energy than liquid so it's not c or d. and liquid has a lower boiling point than vapor

Answer:

Explanation:

Given:

m = 0.005 g = 5·10⁻⁶ kg

R = 3 m

__________

J - ?

J = m·R² = 5·10⁻⁶·3² ≈ 45·10⁻⁶ kg·m²

Answer:

The snapshot of idleness of given point mass still up in the air by,

Where,

- snapshot of idleness

- mass = 0.005 g = ( 0.005/1000 ) = 5 × 10⁻⁶ kg

- opposite distance = 3 m

Put the qualities in the equation,

Hence; the snapshot of idleness of given point mass is 4.5 × 10⁻⁵ kgm².

To find out about snapshot of idleness,

Explanation:

Snapshots of dormancy can be found by adding or coordinating over each 'piece of mass' that makes up an article, increased by the square of the distance of each 'piece of mass' to the hub. In vital structure the snapshot of latency is I=∫r2dm I = ∫ r 2 d m .

For a planar item, the snapshot of idleness about a hub opposite to the plane is the amount of the snapshots of dormancy of two opposite tomahawks through a similar point in the plane of the article. The utility of this hypothesis goes past that of computing snapshots of rigorously planar items.

Picture result for track down the snapshot of idleness of a mark of mass of 0.005g at an opposite distance of 3m from its hub of revolution.

What is snapshot of inactivity of an empty circle about a hub going through its middle ? Arrangement : 'I = (2)/(3) MR^(2)', where 'M' is the mass and 'R' is sweep of the empty circle.

Answer:

25 Kg

Explanation:

M=F/A

Explanation:

electric current is the answer

Answer:

A

Explanation:

Correct option is A)

We know that pressure of a gas is inversely proportional to its volume (Boyle's Law). So, one of the gas equations can be written as-

P  1 V  1  =P  2 V  2  , where P  1  and V  1 are the initial conditions of pressure and v olume of a gas. And P  2  and V  2  are the final conditions of pressure and volume of the gas. In the question given, P 1  is 5atm. The value of V  1 IS 25L. The final pressure is unknown and let it be P  2 , whereas, the final volume is reduced to 5L. Putting all these values in the above mentioned equation we get, P  1  V  1 =P  2  V  2  Or, 5×5=P 2 ×5  Or P  2  =  5 125 P  2 = 25 atm.

The scientists at the hedland climate center first noticed that there was an  odd weather or strange happenings that indicate a climate change is on the way.

This is also referred to as long-term shifts in temperatures and weather patterns and it is mainly caused by human activities such as the burning of fossil fuels which releases heat trapping gases into the atmosphere.

The scientists noticed the strange weather pattern which is a feature of this subject and is therefore the reason why it was chosen as the correct choice.

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Answer:

Explanation:

Bigger pushes and pulls cause bigger changes in an object's motion or shape. When objects collide, contact forces transfer energy so as to change the objects' motions. When two objects interact, each one exerts a force on the other, and these forces can transfer energy between them.

In conclusion, the work done by the chain can be determined by multiplying the force applied by the chain, which is the product of the mass of the block and the acceleration due to gravity, by the distance over which the force is applied. The work done in this case is 588 Joules.

To find the work done by the chain, we can use the equation:
Work = Force x Distance
First, let's find the force applied by the chain. The force can be determined using Newton's second law:
Force = mass x acceleration
Since the block is being brought down by the chain, the acceleration will be due to gravity, which is approximately 9.8 m/s^2.
So, the force applied by the chain can be calculated as:
Force = mass x acceleration
      = 30.0 kg x 9.8 m/s^2
      = 294 N
Next, let's calculate the distance over which the force is applied. The block is dropped down 2.00 m.
Finally, we can calculate the work done by the chain:
Work = Force x Distance
     = 294 N x 2.00 m
     = 588 J
Therefore, the work done by the chain during the process is 588 Joules. This means that the chain applies a force of 294 N over a distance of 2.00 m to bring the block down.
In conclusion, the work done by the chain can be determined by multiplying the force applied by the chain, which is the product of the mass of the block and the acceleration due to gravity, by the distance over which the force is applied. The work done in this case is 588 Joules.

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Answer:

Is this a research paper?

The child pulls the wagon with a horizontal force of 75n. if the wagon moves horizontally a total of 42 m in 3.0 min, 16.96 W is the average power generated by the child.

When a child pulls a wagon horizontally with a force of 75 N, the child's average power output is 16.96 W if the vehicle travels 42 m horizontally in 3.0 minutes.

A horizontal force is a force that acts in a direction that is perpendicular to the horizon. The force acting on a body has two parts: the horizontal component of the force and the vertical component.

A wagon is a large four-wheeled vehicle used to transport supplies, cargo, agricultural produce, people, and occasionally other animals or draft animals.

Where P = power, F = force, d = distance, t = time.

Given: F = 75 N, d = 42 m, t = 3.1 min = 3.1 × 60 = 186 s

Plug these values ​​into the equation

1P = (75×42)/186P = 16.94W

The average power supplied by the child is therefore 16.96 W

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The final velocity of the train is 1371 m/s.

We can use the principle of conservation of momentum to solve this problem. The initial momentum of the train is:

p_initial = m (v_initial)

where;

Plugging in the given values:

p_initial = (2.5 x 10^4 kg) * (-29 m/s) = -7.25 x 10^5 kg m/s

The impulse provided by the brakes is equal to the change in momentum of the train, so we can write:

impulse = p_final - p_initial

p_final = impulse + p_initial

p_final = (3.5 x 10^7 kg m/s) + (-7.25 x 10^5 kg m/s)

p_final = 3.4275 x 10^7 kg m/s

Finally, we can find the final velocity of the train by dividing the final momentum by its mass:

v_final = p_final / m

v_final = (3.4275 x 10^7 kg m/s) / (2.5 x 10^4 kg)

v_final = 1371 m/s

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The factors that can change the pattern observed on a screen during Young's double-slit experiment are given below:1. Width of the slit. 2. Distance between slits. 3. Distance between slits and screen. 4. Wavelength of the incident light. 5. Refractive index of the medium.

The factors that can change the pattern observed on a screen during Young's double-slit experiment are given below:

1. Width of the slit. The width of the slit can influence the diffraction pattern that is observed on a screen. When the width of the slit decreases, the central maximum of the diffraction pattern becomes broader, and the intensity of the secondary maxima reduces.

2. Distance between slits. The distance between the slits in the double-slit experiment also affects the pattern on the screen. The distance between the slits is equal to the spacing between the maxima. If the spacing between the slits decreases, the distance between the maxima decreases, and vice versa.

3. Distance between slits and screen. The distance between the slits and the screen is also a factor that can affect the diffraction pattern. When the distance increases, the spacing between the maxima becomes wider, and the intensity of the maxima decreases.

4. Wavelength of the incident light. The wavelength of the incident light is another factor that affects the diffraction pattern on the screen. When the wavelength increases, the spacing between the maxima increases, and vice versa.

5. Refractive index of the medium. The refractive index of the medium in which the light travels can also influence the diffraction pattern observed on a screen.

When the refractive index of the medium changes, the position of the maxima changes as well. These are the factors that can change the pattern observed on a screen during Young's double-slit experiment.

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Answer:

False

Explanation:

Fusion doesn't produce more.

If both animals are running at full speed, with the gazelle 99 m ahead, cheetah will catch its prey after 331 m

v = d / t

v = Velocity

d = Distance

t = Time

Let the distance covered by the gazelle be x.

For cheetah,

v = 105 km / h

d = ( 99 + x ) m

t = d / v

t = 105 / ( 99 + x ) s

For gazelle,

v = 73.5 km / h

d = x m

t = d / v

t = 73.5 / x

The time taken by both cheetah and gazelle will be the same when the cheetah catches its prey.

105 / ( 99 + x ) = 73.5 / x

105 x = 7276.5 + 73.5 x

31.5 x = 7276.5

x = 231 m

Distance travelled by cheetah = ( 99 + x ) m

Distance travelled by cheetah = ( 99 + 231 ) m

Distance travelled by cheetah = 331 m

Therefore, the cheetah will catch its prey after 331 m

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The  the capacitance of the cable is 18 nF, when the resulting potential difference between the two conductors is 420 V.

The capacitance of a cable is 125 nF when the resulting potential difference between the two conductors is 60 V. If the resulting potential difference between the two conductors is 420 V, what is the capacitance, in nanofarads, of the cable

Given:

Capacitance, C = 125 nF

Initial potential difference, V1 = 60 V

Final potential difference, V2 = 420 V

To find:

The capacitance of the cable is given by the formula:

Capacitance, C = (Charge, Q) / (Potential difference, V)

Or,

Charge, Q = C × V

We know that,

Charge, Q1 = C × V1

Charge, Q2 = C × V2

If we divide Q2 by Q1, then we get:

C × V2 / C × V1

= Q2 / Q1

Or,

C × V2 / C × V1 = (Final charge) / (Initial charge)

From the principle of conservation of charge, we know that:

Charge cannot be created or destroyed; it can only be transferred from one place to another.

Therefore, the initial charge and final charge are the same.

So, we can say that:

Charge, Q2 = Charge, Q1

Hence, C × V2 = C × V1

Or,

C = V1 / V2 × C1

Substituting the values, we get:

C = 60 V / 420 V × 125nF

= 18 nF (approximately)

Therefore, the capacitance of the cable is 18 nF, when the resulting potential difference between the two conductors is 420 V.

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The commutator reverses the flow of current in an electric motor.

In an electric motor, the commutator plays a crucial role in reversing the direction of the current flowing through the motor's coils. The commutator is a segmented metal ring that is typically made of copper or a copper alloy. It is mounted on the rotor or armature shaft of the motor.

As the rotor spins within the motor's magnetic field, the commutator brushes, which are usually made of carbon or graphite, maintain contact with the segments of the commutator. These brushes provide the electrical connection between the motor's power supply and the rotating coils on the armature.

The commutator segments are arranged in such a way that they ensure the current flow through the motor's coils is reversed at the appropriate moments. This reversal of current direction in the coils creates a changing magnetic field, which interacts with the fixed magnetic field of the motor, resulting in the rotation of the rotor.

By reversing the flow of current in the coils, the commutator allows the motor to continuously rotate in a single direction. Without the commutator's function of reversing the current, the motor would not be able to generate continuous rotational motion.

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Answer:

The commutator reverses the flow of current in an electric motor.

Explanation:

I got it right

Answer: When you have more than one battery in a circuit, you add the values of the individual batteries to get the overall voltage of the circuit.

Explanation:

The chemical reactivity of an atom is determined by the number of electrons present in its outermost shell, also known as the valence electrons.

These electrons play a key role in determining the chemical properties of an atom, such as its reactivity and bonding behavior. An atom with a full or nearly full valence shell is less likely to engage in chemical reactions, while an atom with a partially filled valence shell is more reactive and readily participates in chemical reactions. Thus, the number of electrons in the valence shell is a critical factor in determining the chemical reactivity of an atom. Chemical reactivity refers to the ability of a substance to participate in chemical reactions and form new compounds. It is determined by various factors, including the arrangement of electrons in the outermost shell (valence electrons), the stability of the electronic configuration, and the energy required to break or form chemical bonds.

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Answer:

3080

Explanation:

Potential energy is the energy stored or contained in a body as a result to its relative position to other objects, an example is an object that is placed at a height above the ground thereby experiencing gravitational energy.

Potential energy = mass × gravity × height

Given that: height = 11.08 m, gravity = 9.81 m/s² and mass = mass of boy + mass of ball = 25.1 + 2.94 = 28.34 kg

Potential energy =28.34 × 9.81 × 11.08 = 3080

The net force on an object is determined by the sum of all the external forces acting on it, while the acceleration is determined by the net force divided by the mass of the object.

When the acceleration of a system is zero, it means that the system is either at rest or moving at a constant velocity. In such cases, the net force on the system must be zero according to Newton's second law, which states that the net force is equal to the product of mass and acceleration.

However, the internal forces within the system can still exist and exert forces on each other. These internal forces can cancel each other out, resulting in a zero net force on the system. For example, in a balanced tug-of-war between two teams, the net force on the rope is zero even though the teams are applying forces in opposite directions.

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Because they are placed in different habitable zones