What is the name for the difference between the value in the null hypothesis and the true population parameter?

The proof of third equation of motion is determined as  v² = 2as + u².

The proof of third equation of motion is determined as follows;

The first equation is given as;

v = u + at

t = ( v - u ) /a

where;

The formula for the average distance traveled by an object is;

s = (v + u)/2  x  t

Expand the equation above as;

s = (v + u)/2 x  (v - u)/a

s = (v² - u²) / 2a

2as = v² - u²

v² = 2as + u², proved

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Answer:

125 m/s^2

Explanation:

Answer:

Hiya your answer's up

Down

6- dioxide

The behavior of a wildfire is typically described by b) intensity and spread.

Wildfire behavior refers to the way the fire responds to the various factors that influence its spread and movement. The behavior of a wildfire is typically described by two main characteristics, which are intensity and spread. Intensity refers to the heat output of the fire and its potential for ignition and combustion. Spread, on the other hand, is the rate at which the fire is moving and how far it has spread. The intensity of a wildfire is influenced by several factors, including the type of fuel, weather conditions, and topography.

High-intensity wildfires tend to occur in areas with abundant and dry fuel, high temperatures, low humidity, and high winds, they can be dangerous and difficult to control, and they often result in significant damage to the environment and human communities. Spread is influenced by the same factors as intensity, as well as the presence of firebreaks, the availability of resources, and the tactics used by firefighting personnel. The speed and direction of the fire can vary greatly depending on the surrounding conditions, and it is important to monitor and assess these factors in order to manage the fire effectively. So therefore the behavior of a wildfire is typically described by b) intensity and spread.

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The speed of the elevator after it has moved downward 1.00 from the point where it first contacts a spring is 2.23 m/s.

The acceleration of the elevator when it is 1.00 below the point where it first contacts a spring is -9.8 m/s².

The speed of the elevator after it has moved downward 1.00 from the point where it first contacts a spring is 2.23 m/s. When the elevator is 1.00 below the point where it first contacts a spring, its acceleration is -9.8 m/s². This is because the elevator is moving downwards and accelerating due to gravity.
To solve for the speed of the elevator after it has moved downward 1.00 from the point where it first contacts a spring, we need to use the formula for potential energy and kinetic energy:
Potential Energy (PE) = Kinetic Energy (KE)
mgh = 1/2 mv²
where m is the mass of the elevator, g is the acceleration due to gravity, h is the height, and v is the velocity.
Rearranging the formula, we get:
v = √(2gh)
Substituting the given values, we get:
v = √(2 × 9.8 × 1) = 2.23 m/s
To solve for the acceleration of the elevator when it is 1.00 below the point where it first contacts a spring, we simply use the acceleration due to gravity which is -9.8 m/s². The negative sign indicates that the acceleration is directed downwards.
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Answer:

Little to no change in temperatures between seasons.

Reason: because i got it right on the test, and i smart

Answer:

Little to no change in temperatures between seasons.

Explanation:

I can confirm this is right

200N force is needed to stop a 100-kg football player if she negatively accelerates (decelerates) at 20 m/s2

we have given in the statement

mass=100kg

acc= -20m/s^2

F=?

from newton's formula, we will find force

F=ma

F=100kg×20m/s^2

F=200N

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The value of resistor R that gives the circuit in the figure a time constant of 22 μs is 220 Ω.

The circuit that is in the figure is shown below:Given that time constant (RC) = 22 μs. To find the value of resistor R, we need to use the formula for the time constant:

RC = τ, where R is the resistance and C is the capacitance of the circuit.

Rearranging the above formula, we get:R = τ / C

Where τ is the time constant and C is the capacitance of the circuit.

From the figure, the capacitance is given as 0.1 μF

.Substituting the values of τ and C in the above formula, we get:

R = (22 × 10⁻⁶ s) / (0.1 × 10⁻⁶ F)

R = 220 Ω

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The forces that act on the ball as it is held motionless is the weight and the normal reaction.

We now that force is a vector quantity. This implies that force has magnitude and it also has direction. The direction of the force is what makes it possible for us to resolve a force into its components in the vertical and the horizontal planes.

In this case, when we hold the ball motionless, the forces that act on the ball are the weight of the ball and the normal reaction on the ball. The weight acts downwards while the normal reaction acts upwards.

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Answer:

600 kg

Explanation:

Answer: 5.0025 * 10^-8 N

Explanation:

\(F = \frac{Gm_1m_2}{r^{2} }\)

F = gravitational force

G (is a constant) = 6.67×\(10^{-11}\) N(m/kg)^2

m1 = mass of first object = 500 kg

m2 = mass of second object = 600 kg

r = distance between them = 20 M

\(6.67*10^{-11}N(m/kg)^2* \frac{500 kg*600 kg}{(20m)^2}\\6.67*10^{-11}N*\frac{m^2}{kg^2} * \frac{300000kg^2}{400m^2}\\6.67*10^{-11} N * 750\\5002.5 * 10^{-11} N \\5.0025 * 10^{-8} N\)

These extensions provide a set of floating-point instructions that can be used to perform operations on floating-point numbers using the floating-point registers.

Adder-based multiplication and division are two different operations that use different circuitry to perform them. An adder-based multiplier works by adding a sequence of shifted partial products together to produce the final result. On the other hand, adder-based division is not used in modern computers because it is much slower and less efficient than other algorithms that can perform division more quickly.

Therefore, there is no adder-based division. In RISCV, the floating-point instructions operate on the floating-point registers, which are separate from the integer registers. The floating-point instructions use a separate set of registers, which are designed specifically for storing floating-point numbers. The floating-point registers are typically used to perform operations on floating-point numbers, such as addition, subtraction, multiplication, and division. Some of the most commonly used floating-point instructions include FADD, FSUB, FMUL, and FDIV. These instructions are used to add, subtract, multiply, and divide floating-point numbers respectively. In RISCV, the floating-point instructions are part of the RV32F and RV64F instruction set extensions, which provide support for single-precision and double-precision floating-point arithmetic respectively.

These extensions provide a set of floating-point instructions that can be used to perform operations on floating-point numbers using the floating-point registers.

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Insufficient magnetic field strength, misaligned magnet and coil configuration, inadequate coil design, or insufficient voltage/current can all contribute to the LED bulb not shining when a magnet is spinning within a coil of wire.

There are a few possible reasons why the LED bulb may not shine when a magnet is spinning within a coil of wire connected to it:

1. Insufficient magnetic field strength: The spinning magnet may not generate a strong enough magnetic field to induce a significant current flow in the wire coil. The LED bulb requires a certain minimum current to illuminate, and if the magnetic field is weak, it may not generate enough current to power the LED.2. Incompatible magnet and coil configuration: The magnet's orientation or position relative to the coil may not be aligned properly. For efficient induction, the magnetic field lines need to intersect the coil perpendicularly. If the magnet is misaligned or too far away, the induction may be weak or non-existent, resulting in the LED bulb not lighting up.

3. Inadequate coil design: The coil of wire itself may not be designed optimally for efficient induction. Factors such as the number of turns, wire gauge, and coil size can affect the induction process. If the coil is not constructed properly, it may hinder the generation of sufficient current to illuminate the LED bulb.

4. Insufficient voltage or current: Even if there is some induction occurring, the voltage or current generated in the coil may not be enough to power the LED bulb. LEDs typically require a specific voltage and current range to operate correctly, and if the generated electrical energy falls below these thresholds, the LED may not shine.

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Thermal insulators stop the loss of accumulated heat, metal flat plates absorb solar radiation, and tubes absorb solar energy with the least amount of heat loss.

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The distance traveled by the object from t = 0 to the first time that it stops is 2/3.

The distance traveled by an object from t = 0 to the first time that it stops can be found by finding the displacement of the object. Displacement is the integral of velocity with respect to time, so we can use the formula:

∫v(t)dt = ∫2cos(3t)dt

To find the first time that the object stops, we need to find when v(t) = 0. This occurs when 2cos(3t) = 0, or when cos(3t) = 0. This occurs at t = π/6.

So, the distance traveled by the object from t = 0 to the first time that it stops is:

∫v(t)dt = ∫2cos(3t)dt = ∫2cos(3t)dt from t = 0 to t = π/6

= (2/3)sin(3t) from t = 0 to t = π/6

= (2/3)(sin(π/2) - sin(0))

= (2/3)(1 - 0)

= 2/3

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Any functional group that contributes negative charge must have a lone pair of electrons.

The term functional group refers to an atom, group of atoms or a bond that is responsible for the chemical reactivity of the homologous series. A homologous series is any family of compounds.

The question is incomplete. However, any functional group that contributes negative charge must have a lone pair of electrons like amines.

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Answer:

Monthly cost = 35.7

Explanation:

Given the following data;

Power = 7000 Watts

Time = 10 minutes

Number of days = 30 days

Conversion:

60 minutes = 1 hour

10 minutes = 10/60 = 0.17 hours

To find the monthly cost of electricity;

Energy = power * time

Energy consumption = 7000 * 0.17

Energy consumption = 1190 Watt-hour = 1.19 KWh (1 Kilowatts is equal to 1000 watts).

Next, to find cost of monthly energy consumption;

Cost = 1.19 * 30

Cost = 35.7

Lungs do not help in the perception and production of sound in humans.

Gaseous exchange occurs during inhalation and exhale during breathing. Main components of the human respiratory system include the nose, mouth, throat, larynx, trachea, bronchi, and lungs.

In humans and other vertebrates, the primary organs for respiration are the lungs. They are situated in the thoracic cavity of the chest, on either side of the heart. The lungs are spongy, anatomically speaking, with a total surface area that ranges from 50 to 75 square meters.

The lungs' main job is to make it easier for gases to move from the blood into the air. It's interesting to note that the right lung is significantly larger and heavier than the left.

Hence, lungs do not help in the perception and production of sound in humans.

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a) Global averaged surface pressure is generally lower than globally averaged sea level pressure because of the elevation of lands.

b) Density decrease exponentially as we move up the altitude because of  mainly two reason one thining of the atmosphere due to which net mass decreases

c) We all know that as we move up in altitude pressure decrease exponentially due to thinning of the atmosphere

d) water vapor in the atmosphere depends upon the temperature of the air holding it so as we move up the atmosphere temperature keeps on decreasing

a) Due to land elevation, the global average surface pressure is typically lower than the global average sea level pressure. Allow me to explain. We are well aware that the atmosphere becomes thinner as we ascend in height, which causes pressure to fall rapidly. Therefore, there is a lot of high relief on land, such as mountain plateaus and other high-altitude features, which results in relatively little surface pressure and, on average, a pressure that is lower than that at sea level.

b) As we ascend in altitude, density falls off exponentially for two main reasons: first, the atmosphere thins, which causes the net mass to fall and push downward, reducing density; second, gravity likewise falls off as we ascend. In water, this is not a problem because the density of the water is often constant with depth.

c) We all know that the atmosphere thins as we ascend in height, causing pressure to fall rapidly. Why does it suddenly diminish exponentially? The sole reason is that even at low altitudes, the amount of gas in the atmosphere reduces quite quickly. As we increase altitude, density falls off exponentially. Pressure is 0.01 hPa at 80 km. With height, gravity also decreases, which contributes to the problem. Now that the ocean's water density is approximately constant, we know that P = density x gravity x height because the density is constant and declines linearly with height.

d) As we ascend, the temperature of the atmosphere continues to drop, which causes the concentration of water vapor to change because it is heavier near the turbopause and does not mix properly. The same is true for ozone gas, whereas oxygen and carbon dioxide, which are light gases, diffuse properly near the turbopause.

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Answer:

The first one is: His weight on the Earth before take-off and the weight after take-off back on Earth once he gets back should be recorded as his Independent variable and his dependent variable.

The second one is: If he gained the weight back that he had lost while on the trip then you should disregard them unless that was the weight he was when he weighed himself after he got back.

The Third one is: The mass of an object is the amount of matter it contains, regardless of its volume or any forces acting on it. … Gravity is a force that attracts objects toward the Earth. The weight of the object is defined as the force caused by gravity on a mass.

Explanation:

I took  the quiz earlier. Hope this Helps you.

Answer:

If the resistors are in series the current thru the circuit will be the same for all of the resistors,

Normally, the value of a resistor is given in ohms but the question seems to imply that resistance is given in watts.

3900 + 1000 + 100 = 5000 watts        total power used in the circuit

P = I V

5000 = I * 200 volts

I = 25 amps

So      I^2 R = 1000 watts for the named resistor

R = 1000 / 25^2 = 1.6 ohms for the 1000 watt resistor

V = I * R = 25 amps * 1.6 ohms = 40 V across that resistor

Check: 3900 / 1000 * 40 = 156 volts

100 / 1000 * 40 = 4 volts

Total voltage drop = 40 + 156 + 4 = 200 volts         as given

Answer:

The correct answer is B.

The astronaut will know due to the light from the explosion.

Explanation:

Sound and vibrations require a medium such as air to travel through. Space, there is no air. Only a vacuum. So sound and vibrations are unable to travel. Light requires no medium to travel. It can go through a vacuum.  

Therefore the Astronaut will see a bright flash of light as it travels from the explosion to outer space. It is also important to note that light can travel very far because nothing else interacts with its wave particles and as such, it cannot be impeded.

Cheers!

To determine the position u of the mass at any time t, we can use the equation of motion for a mass-spring system without damping:n m * u''(t) + k * u(t) = 0

m = 2 lb / (32.2 ft/s^2) = 0.062 lb·s^2/ft

The spring constant k can be determined using Hooke's law:

k = F / x

where F is the force exerted by the mass and x is the displacement. In this case, the force F is the weight of the mass, and the displacement x is 6 in:

k = (2 lb) / (6 in) = (2 lb) / (6 in) * (1 ft/12 in) = 0.111 lb/ft

The equation of motion now becomes:

0.062 * u''(t) + 0.111 * u(t) = 0

To solve this second-order linear homogeneous differential equation, we assume a solution of the form u(t) = A * cos(ωt + φ).

Substituting this assumed solution into the equation of motion, we get:

-0.062 * A * ω^2 * cos(ωt + φ) + 0.111 * A * cos(ωt + φ) = 0

-0.062 * ω^2 + 0.111 = 0

Solving for ω, we get:

ω = sqrt(0.111 / 0.062) = 2.258 rad/s

From ω, we can determine the frequency f and period T:

f = ω / (2π) = 2.258 / (2π) ≈ 0.359 Hz

T = 1 / f ≈ 2.786 s

The amplitude A is determined by the initial conditions. When the mass is pulled down an additional 3 in (0.25 ft) and released, it reaches its maximum displacement, so A = 0.25 ft.

Therefore, the position u of the mass at any time t is given by:

u(t) = 0.25 * cos(2.258t)

To draw the graph of u(t), plot the position u on the y-axis and time t on the x-axis, using the equation u(t) = 0.25 * cos(2.258t). The graph will be a cosine wave with an amplitude of 0.25 ft.

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i. The gravitational force between the earth and sun can be obtained as follow:

F = GM₁M₂ / r²

F = (6.67×10¯¹¹ × 5.987×10²⁴ × 1.989×10³⁰) / (1.5×10¹¹)²

F = 3.53×10²² N

Thus, the gravitational force between the earth and sun is 3.53×10²² N

ii. The gravitational force between the earth and moon can be obtained as follow:

F = GM₁M₂ / r²

F = (6.67×10¯¹¹ × 5.987×10²⁴ × 7.347×10²²) / (3.844×10⁸)²

F = 1.99×10²⁰ N

Thus, the gravitational force between the earth and moon is 1.99×10²⁰ N

Comparison = G₁ / G₂

G₁ / G₂ = 3.53×10²² / 1.99×10²⁰

G₁ / G₂ = 177

Cross multiply

G₁ = G₂ × 177

Thus, we can say that the gravitational force between the earth and sun is 177 times bigger than the gravitational force between the earth and moon

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Magnitude of magnetic torque is 0.225225N,magnitude of magnetic torque on the coil is 0

The loop's initial plane is parallel to the magnetic field's direction.

The angle between the area vector and the magnetic field vector is thus equal to zero.

Tm(θ = 0) = IABsinθ

               = IAB sin0

               = 0

The c0il has been rotated through angle 30

However angle between area vector and magnetic field vector is given by

θ = 180 -30 = 150

Therefore, the magnetic torque on the coil's magnitude is determined by:

The coil has been turned at a 30 degree angle.

However, the angle between the magnetic field vector and the area vector is given by = 180 -30 = 150.

Accordingly, the magnetic torque's magnitude is determined by:

Tm(θ = 150) = IABsinθ

               = 1.95 × 0.077 × 1.50 × sin150

               = 0.225225N

The rotating counterpart of linear force in physics and mechanics is torque. According on the subject of research, it is also known as the moment, moment of force, rotating force, or turning effect. This symbolizes a force's capacity to alter the body's rotational motion. As reflected in his famous adage, "Give me a lever and a place to stand and I shall move the Earth," the idea was inspired by Archimedes' research on the use of levers. A torque may be thought of as an item being twisted about a certain axis, just like a linear force is a push or a pull. As the product of the force's magnitude and its direction, torque is defined.

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Answer:

A ball is thrown straight up with a speed of 30

m/s. What is the maximum height reached by

the ball?

When you push a pencil off your desk, the energy transformation that takes place is that potential energy transforms into kinetic energy.

The correct answer to the given question is option C.

Potential energy is the energy stored within an object because of its position or configuration.

In this scenario, the pencil has potential energy because of its elevated position on the desk. When the pencil is pushed off the desk, it begins to move, which means that it has kinetic energy. Kinetic energy is the energy of motion.

As the pencil falls off the desk, its potential energy is transformed into kinetic energy, which is the energy that results from its motion. The faster the pencil falls, the greater its kinetic energy will be because kinetic energy is directly proportional to the square of an object's velocity.

Therefore, when you push a pencil off your desk, the potential energy that it has because of its elevated position is transformed into kinetic energy as it falls towards the ground.

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Answer:flossing and brushing your teeth

Explanation:

because eating bad food could give you more cavities

Answer:

A car driving in a straight line 20 m/s

Explanation:

ayepecks silly

Answer:

A

Explanation:

It would be with the group 2 metals.