define acceleration what it's formula​

Sportsmanship is a term used to describe the honorable conduct displayed towards opponents and the demonstration of grace in both victory and defeat when engaging in a game or sport. It encompasses a set of values and behaviors that uphold fairness, respect, and integrity.

Sportsmanship emphasizes treating opponents with courtesy, recognizing their efforts, and playing within the spirit of the game. It involves refraining from unsportsmanlike conduct such as cheating, taunting, or engaging in aggressive behavior.

Furthermore, sportsmanship is not limited to the game itself but extends to interactions before and after the competition, including showing respect for officials and acknowledging the skills and achievements of opponents.

By embodying sportsmanship, individuals promote a positive and inclusive environment, fostering camaraderie, mutual growth, and the promotion of the core principles of sportsmanship, both on and off the field.

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Answer:

Explanation:

If you pour hazardous household waste in ditches, storm drains, or gutters, it can poison plants and wildlife, contaminate the soil, and harm children and adults who come in contact with it. When it rains, the hazardous household waste travels directly to nearby streams, rivers, and lakes.

Answer:

Buried in the garden – dangerous chemicals and poison can leach into the surface or groundwater. This can affect the soil, plants and water for a long time. ... It may also pollute waterways and drinking water if sent to normal landfills. Hazardous waste should only be stored in specially designed landfills.

Explanation:

putting it somewhere else is safer

12). When you move your hand or foot, your body has converted potential energy into kinetic energy.

13). When coasting while roller skating, you eventually stop due to

friction causes kinetic energy to transfer to thermal energy.

14).  A ball has 100 J of potential energy when it is on a shelf. The kinetic energy of the ball the instant it hits the floor is Kinetic increases, potential decreases.

Kinetic energy is the force that propels motion, which can be seen in the movement of a particle, an object, or a group of particles. A person walking, a baseball being thrown, a piece of food falling from a table, and a charged particle in an electric field are all examples of objects in motion that use kinetic energy.

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The question is incomplete, however \(1/2\kappa (\mu^2 m^2g^2/k)\) is  the potential energy stored in the spring.

of spring F=−kx

coefficient of kinetic friction F=μmg

At equilibrium, the mass and spring will both revert to their average positions.

so,−kx=μmg \(x=-\mu mg/k\)

the potential energy stored the spring is

\(1/2kx^2=1/2k-\mu mg/k^2=1/2k(\mu^2m^2g^2/k)\)

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Answer:

30MPH

Explanation:

30/5 = 6 x 5 = 30 mph

Answer:

Radiator

Explanation:

Black bodies are good absorbers of heat, because heat is absorbed by the color black. But they are bad radiators of heat because white radiates heat.

Answer:

A. gravity

or gravitational force

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To express the tension T in the cable as a vector using the unit vectors i and j, we can break down the tension into its components in the x-direction and y-direction. T as a vector is T = T_x * i + T_y * j

Given:
a = 10.4 m (distance from point C)
b = 4 m
c = 7.7 m
T = 8.1 kN (magnitude of tension)

To find the x-component of T, we can use the cosine rule:
T_x = T * cosθ

Using the triangle formed by the load, point C, and the vertical line from point C, we can calculate the angle θ:
cosθ = b / c
θ = cos⁻¹(b / c)

Substituting the given values:
θ = cos⁻¹(4 / 7.7)

Next, we can calculate the y-component of T using the sine rule:
T_y = T * sinθ

Substituting the given values:
T_y = 8.1 kN * sin(θ)

Finally, we can express T as a vector using the unit vectors i and j:
T = T_x * i + T_y * j

To summarize:
1. Calculate θ using the cosine rule:

θ = cos⁻¹(b / c)
2. Calculate the x-component of T:

T_x = T * cosθ
3. Calculate the y-component of T:

T_y = T * sinθ
4. Express T as a vector:

T = T_x * i + T_y * j

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Answer:

V = I * R        voltage drop

P = I * V = I^2 * R        power

I = P / V = 327 / 15 = 21.8 amps

b)   I = 21.8 amps

a) R = P / I^2 = 327 / 21.8^2 = .69 ohms

Check:

V = I R = 21.8 * .69 = 15 Volts

In order for water to have an upward component to its specific discharge (q) in the unsaturated zone, two conditions must be met: a non-uniform water content distribution and a positive hydraulic gradient.

If we assume uniform material, the vertical profile of water content should be decreasing with depth. This is because the unsaturated zone is a region in which the soil pores are only partially filled with water, and the water content decreases with increasing depth due to the gravitational pull. Therefore, the unsaturated zone is a region of decreasing water content with depth.

If the water content distribution is non-uniform, such as in the case of a perched water table or a lens of water held above an impervious layer, water can have an upward component to its specific discharge (q) in the unsaturated zone. This is because a positive hydraulic gradient can be established, which means that water will flow from the area of higher water content to the area of lower water content.

In summary, two conditions must be met for water to have an upward component to its specific discharge (q) in the unsaturated zone: a non-uniform water content distribution and a positive hydraulic gradient. If we assume uniform material, the vertical profile of water content should be decreasing with depth.

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The component of the force exerted by the floor on the block is friction force.

The component of the force exerted by the floor on the block (the friction force) is the force that opposes the motion of the block along the floor. This force is called the friction force and it acts in the opposite direction of the block's motion. The magnitude of the friction force depends on the coefficient of friction between the block and the floor, as well as the normal force exerted by the floor on the block. The equation for the friction force is:

Ff = μFN

where Ff is the friction force, μ is the coefficient of friction, and FN is the normal force. So, to find the -component of the force exerted by the floor on the block, you need to know the coefficient of friction and the normal force. Once you have these values, you can plug them into the equation and solve for the friction force.

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The part of an AC induction motor that turns is called a rotor. A rotor is a rotating component in an electromagnetic system that is used to produce torque through electromagnetic interaction with a stator.

The magnetic fields created by the rotor and stator cause a torque that causes the rotor to rotate, which turns the motor shaft and moves the mechanical load. An AC induction motor is a type of electric motor that converts electrical energy into mechanical energy. It operates on the principle of electromagnetic induction, in which a rotating magnetic field is produced in the stator of the motor by the alternating current supplied to it. The rotating magnetic field interacts with the rotor of the motor, which is a conductive piece of material, and causes it to rotate.The rotor is the part of an AC induction motor that turns. It is a cylindrical core made up of thin laminations of magnetic steel, with a number of conductive bars running through it. The bars are connected at each end to short-circuiting rings that are mounted on the rotor shaft.

When the rotor rotates, the conductive bars cut through the magnetic field created by the stator, which causes a voltage to be induced in them. The voltage causes a current to flow through the bars, which produces a magnetic field that interacts with the stator's magnetic field. The interaction between the two magnetic fields produces a torque that causes the rotor to rotate. The speed at which the rotor rotates is determined by the frequency of the alternating current supplied to the stator and the number of poles on the stator. The rotor is one of the most important components of an AC induction motor because it is responsible for producing the mechanical energy that drives the motor shaft and moves the mechanical load. It is also one of the most complex components because it must be designed to withstand the high mechanical stresses and thermal loads that are produced during operation.

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The answer to this question is :0.4.

The load factor for bolted joint B can be determined using the equation: Load Factor = Applied Load / Proof Load.

First, we need to calculate the proof load for one M14x2 class 4.8 bolt. The proof load is defined as the maximum load that can be applied to a bolt without causing permanent deformation. The proof strength for class 4.8 bolts is 310 MPa, and the stress area for an M14 bolt is 115 mm^2. Thus, the proof load for one bolt is:

Proof Load = Proof Strength * Stress Area = 310 MPa * 115 mm^2 = 35650 N

Since we have four bolts, the total proof load for the joint is:

Total Proof Load = 4 * Proof Load = 4 * 35650 N = 142600 N

To calculate the load factor, we need to know the applied load. If the applied load is known, we can simply divide it by the proof load to get the load factor. If not, we can calculate the maximum load that can be applied to the joint without exceeding the proof load. In this case, we assume that the applied load is distributed equally among the four bolts, so the maximum load that can be applied to one bolt is:

Maximum Load = Proof Load / Safety Factor

The safety factor is a design parameter that ensures that the joint can withstand loads greater than the expected operating load. A common safety factor for bolted joints is 2.5. Thus, the maximum load that can be applied to one bolt is:

Maximum Load = Proof Load / Safety Factor = 35650 N / 2.5 = 14260 N

Since we have four bolts, the maximum load that can be applied to the joint without exceeding the proof load is:

Maximum Applied Load = 4 * Maximum Load = 4 * 14260 N = 57040 N

Therefore, the load factor for bolted joint B is:

Load Factor = Applied Load / Proof Load = Maximum Applied Load / Total Proof Load = 57040 N / 142600 N = 0.4

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Answer:

R= v/I

R= 9/1.05=8.5714 ohms

The answer is C. I searched it up and people keep on saying that it's B, which is incorrect. I found another question on Brainly where someone said that C was the answer and the person who asked the question said "Correct, thanks."

For the designing of differential amplifier following were found out :

the small-signal gain is zero.

the transconductance (gm) and output resistance (ro) of the NMOS transistors are  -640 * (W/L) μA/V and 1 / (8 * (W/L)) kΩ respectively.

the transconductance (gm) and output resistance (ro) of the PMOS transistors are -320 * (W/L) μA/V and  respectively.

NMOS transistor: Wn = 0.03 μm, L = 0.2 μm

PMOS transistor: Wp = 0.0075 μm, L = 0.2 μm

Bias current: Itail = 1 mA

Resistance: R = 0.3 kΩ

To design the differential amplifier according to the given specifications, we will follow these steps:

Step 1: Calculate the small-signal gain (Av)

Step 2: Determine the transconductance (gm) and output resistance (ro) of the NMOS transistors

Step 3: Determine the transconductance (gm) and output resistance (ro) of the PMOS transistors

Step 4: Calculate the tail current (Itail) based on the specified Iss

Step 5: Determine the resistance (R) value

Step 6: Calculate the width (Wp) of the PMOS transistor

Step 7: Calculate the width (Wn) of the NMOS transistors

Now let's go through each step in detail.

Step 1: Calculate the small-signal gain (Av)

Given: Av = 10, VOP = VON = 3.5V

Av = (vop - von) / (vip - vin)

10 = (3.5 - 3.5) / (0.1)

10 = 0 / 0.1

Since the numerator is zero, the small-signal gain is zero.

Step 2: Determine the transconductance (gm) and output resistance (ro) of the NMOS transistors

Given: unCox = 400 μA/V², Vtn = 0.8V, n = 0.02 V^(-1), L = 0.2 μm

gm = 2 * unCox * (W/L) * (Vgs - Vtn)

ro = 1 / (lambda * unCox * (W/L))

We need to design the amplifier for DC operation (Vin = Vbias), where the differential voltage (vgs = Vin - Vbias) should be zero to operate the transistors in the saturation region.

For the NMOS transistors:

Vgs = 0 (since Vin = Vbias)

gm = 2 * unCox * (W/L) * (Vgs - Vtn)

  = 2 * 400 μA/V² * (W/L) * (0 - 0.8)

  = -640 * (W/L) μA/V

ro = 1 / (lambda * unCox * (W/L))

  = 1 / (0.02 V^(-1) * 400 μA/V² * (W/L))

  = 1 / (8 * (W/L)) kΩ

Step 3: Determine the transconductance (gm) and output resistance (ro) of the PMOS transistors

Given: upCox = 200 μA/V², Vtp = -0.8V, p = 0.04 V^(-1), L = 0.2 μm

Similarly, for the PMOS transistors, we need to design the amplifier for DC operation (Vin = Vbias), where the differential voltage (vsg = Vbias - Vin) should be zero to operate the transistors in the saturation region.

For the PMOS transistors:

Vsg = 0 (since Vin = Vbias)

gm = 2 * upCox * (W/L) * (Vtp - Vsg)

  = 2 * 200 μA/V² * (W/L) * (-0.8 - 0)

  = -320 * (W/L) μA/V

ro = 1 / (lambda * upCox * (W/L))

  = 1 / (0.04 V^(-1) * 200 μA/V² *

  = 1 / (5 * (W/L)) kΩ

Step 4: Calculate the tail current (Itail) based on the specified Iss

Given: Iss = 2 mA

Itail = Iss / 2

= 2 mA / 2

= 1 mA

Step 5: Determine the resistance (R) value

Given: Vs = 0.3 V, VDD = 5 V

We can calculate the resistance (R) value using Ohm's Law:

Vs = Itail * R

0.3 V = 1 mA * R

R = 0.3 kΩ

Step 6: Calculate the width (Wp) of the PMOS transistor

To calculate Wp, we'll use the equation for the tail current:

Itail = 2 * upCox * (Wp/L) * (VDD - Vtp)^2

1 mA = 2 * 200 μA/V² * (Wp/0.2 μm) * (5 V + 0.8 V)^2

1 mA = 2 * 200 μA/V² * (Wp/0.2 μm) * (5.8 V)^2

Solving for Wp:

Wp = (1 mA * 0.2 μm) / (2 * 200 μA/V² * (5.8 V)^2)

Wp = 0.01 μm / (2 * 200 μA/V² * 33.64 V^2)

Wp ≈ 0.0075 μm

Step 7: Calculate the width (Wn) of the NMOS transistors

Given: Wn = 4 * Wp

Wn = 4 * 0.0075 μm

Wn = 0.03 μm

So, the design parameters for the differential amplifier are as follows:

the small-signal gain is zero.

the transconductance (gm) and output resistance (ro) of the NMOS transistors are  -640 * (W/L) μA/V and 1 / (8 * (W/L)) kΩ respectively.

the transconductance (gm) and output resistance (ro) of the PMOS transistors are -320 * (W/L) μA/V and  respectively.

NMOS transistor: Wn = 0.03 μm, L = 0.2 μm

PMOS transistor: Wp = 0.0075 μm, L = 0.2 μm

Bias current: Itail = 1 mA

Resistance: R = 0.3 kΩ

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Newton's first law is a description of the basic property of inertia in our universe. It states that an object at rest will remain at rest, and an object in motion will remain in motion at a constant velocity, unless acted upon by an external force. This law reflects the fundamental principle that objects in the universe tend to maintain their state of motion, whether at rest or in motion, unless acted upon by a force.

Newton's first law, also known as the law of inertia, is a description of the basic property of our universe that objects will maintain their state of motion unless acted upon by an external force. In simpler terms, an object at rest will stay at rest and an object in motion will continue in its motion with a constant velocity unless a force is applied to change its state. This principle is fundamental to understanding the behavior of objects in our universe.

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With a speed of 4 seconds, the skydiver is the fastest option - B is correct.

An example of a friction force is air resistance.

There are no two solid surfaces in contact is air resistance.

The frictional force that affects an object and the air surrounding it is known as air resistance.

In other words, friction always pushes against the direction in which the skydiver is moving, slowing the skydiver down.

The pull of gravity on the skydiver, or their weight force, is greater than the air resistance slowing them down, so when they jump out of the plane, their speed would increase.

The weight force of a person never changes.

The person's air resistance will be equal to their weight force.

By doing this, the skydiver would move at a constant speed.

Forces must be equal to zero in order to move at a constant speed.

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Complete question attached below.

Formula for momentum is  45 kg* m/s = (9 kg) (5 m/s). The last option is the correct answer.

This can be defined as the product of the mass and velocity of an object. It is measured in  Kilograme meters per second, kgm/s.

momentum Ρ= mass*velocity

                    =m*v

m=9kg

v=5m/s

Ρ=m*v

45 kg* m/s  =9kg*5m/s

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Answer:

an open circuit (A battery, bulb, wire,switch)

Explanation:

the battery supplies the power the wire carries the current from the battery to the bulb but the circuit is not completed if the switch is not connected (Switch )

The period of motion of the electron is 2.09 × 10^-6 seconds.

Period of motion can be defined as the time it takes for an object to complete one full cycle of its motion. In the context of circular motion, the period is the time it takes for an object to travel around a full circle and return to its starting position.

The period of motion, T, of an object moving in a circle can be calculated using the following formula:

T = 2πr/v

Where

In this case, the electron moves in a circular path with a radius of 0.20 m at a constant speed of 1.5 × 10^5 m/s. Plugging these values into the formula gives:

T = 2π(0.20 m) / (1.5 × 10^5 m/s)

T = 2.09 × 10^-6 s

Therefore, the period of motion of the electron is 2.09 × 10^-6 seconds.

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Answer:

F = m g / 4,  F = 12250 N

Explanation:

For this exercise we must use the rotational equilibrium relation

          ∑τ = 0

let's set a reference system on the wheel where the bus is turning and that the anti-clockwise rotations have been positive

          -2F x_string + W x_bus = 0

          x_bus =\frac{l}{2} cos 45

          x_string = l cos 45

where F is the force on each wheel and W the weight of the bus ,, we assume that the center of mass is in the middle and x_bus is the perpendicular distance from the center of mass to the turning point.

             2F l cos 45 = W \(\frac{l}{2}\)  cos 45

             F = m g / 4

to finish the calculation we must assume a mass for the bus m = 5000 kg

             F = 5000 9.8 / 4

              F = 12250 N

Answer:

friction I would guess? you didnt leave any options.

Explanation:

Explanation:

Named Valles Marineris, the grand valley extends over 3,000 kilometers long, spans as much as 600 kilometers across, and delves as much as 8 kilometers deep. By comparison, the Earth's Grand Canyon in Arizona, USA is 800 kilometers long, 30 kilometers across, and 1.8 kilometers deep.

The size of the electric current is 155 Amperes.

Calculation:

I = Q / t

I = 93.0 C / 0.601 s

I = 155 C/s

I = 155 A

Electric current is the flow of charged particles such as electrons and ions, that travel through a conductor or space. It is measured as the net flux of charge to the surface or control volume. Electricity starts with atoms.

Atoms are made up of protons neutrons and electrons. Electricity is generated when electrons are moved from atom to atom by an external force. The flow of electrons is called current. Current refers to the flow of current in an electronic circuit and the amount of current that flows through the circuit.

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Answer:

the density is 2

Explanation:

mass divided by volume is density

16 divided by 8 is 2

Friction plays a significant role in the conservation of energy by converting mechanical energy into thermal energy.

Friction is a force that opposes the motion or attempted motion of objects in contact. In the context of conservation of energy, friction plays a crucial role by converting mechanical energy into other forms of energy, typically thermal energy.

When an object moves across a surface or through a fluid, friction acts in the opposite direction of the motion. As a result, mechanical energy is dissipated in the form of heat due to the interaction between the surfaces. This conversion of energy from mechanical to thermal is known as frictional heating.

Frictional heating occurs because, at the microscopic level, there are irregularities and roughness on the surfaces in contact. As the object moves, these irregularities interlock, causing resistance and generating heat. The amount of frictional force depends on various factors such as the nature of the surfaces, the force pressing them together, and the roughness of the surfaces.

From the perspective of conservation of energy, friction is considered a non-conservative force. It converts the mechanical energy of an object, which includes both kinetic energy (associated with its motion) and potential energy (associated with its position), into thermal energy. This thermal energy is typically dissipated into the surroundings and cannot be fully recovered as useful work.

In practical situations, friction is almost always present, and it often leads to energy losses. For example, when a car moves on the road, friction between the tires and the road surface causes energy to be converted into heat. This results in decreased fuel efficiency and the need for continuous input of energy to sustain the motion.

Without friction, it would be challenging to walk, drive, or even hold objects. Friction allows us to grip surfaces, maintain stability, and control our movements.

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