if an object is moving and it changes its position by 2 m in every 4 s starting from the origin, then the position vs. time graph will be

Answer:

Dr Hutson is the author of several books among them: John Adams and the Diplomacy of the American Revolution (1980); winner of the Gilbert Chinard Prize, 1981; To Make All Laws: The Congress of the United States, 1789-1989 (Washington and Boston, 1989-90; 4th edition, Washington, 1990); The Sister Republics

Answer:

Dr Hutson is the author of several books among them: John Adams and the Diplomacy of the American Revolution (1980); winner of the Gilbert Chinard Prize, 1981; To Make All Laws: The Congress of the United States, 1789-1989 (Washington and Boston, 1989-90; 4th edition, Washington, 1990); The Sister Republics: ... Explanation: HOPE I HELPED!!!!!

Answer:

sorry do not speak Spanish so I would not be able to help you probably cannot read this but I would be happy to help you if you follow me and bake English so thank you

Answer:

So Nessa went so fast it made her pass the tile in a second. Lets take a look at this problem, It says "the" tile so we should assume that it means 1 tile. Then draw a diagram representing that tile then you should have your problem finished. Hope that helped and I'm willing to help if you have anymore questions!

Explanation:

The amount of compression the femur can withstand before breaking can be calculated using the following formula:

Compression = Young's Modulus x Length / \((3 x 10^8)\)

Using the given values, the amount of compression is calculated to be 8.97 mm.

To further explore this topic, you may want to learn more about Young's Modulus, which is a measure of the stiffness of a material. You can also learn about the different ways that compression can affect bones, such as by causing them to become more brittle, or increasing the risk of fracture.

Additionally, you can learn about the different types of fracture, such as compression fractures and stress fractures, and how they are treated. Finally, you can explore the effects of different types of loading on bones, such as the impact of compressive forces and the effects of repeated loading.

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Explanation:

do we can say that the first step is finding the acceleration of the object. We do so by saying F = ma

so a = F/m

a = 500 m/s^2

we now have the time, acceleration and initial velocity.

so we can find the final velocity by using one of newtons equations which is: vf = vi + at

so:

vf = 0 + 500 × 12

vf = 6000

note that our initial velocity was zero since the object was initially at rest.

if you still have any doubt dont hesitate to ask for further help.

Answer:

Sh = Vh t         horizontal distance traveled

Sh = 10.2 m/s * 3.7 s = 37.74 m

The 0.500 kg wheel of radius and moment of inertia of 40 cm and 0.200 kg•m² has an acceleration of approximately 2.803 m/s², and a tension of 3.5035 N

The moment of inertia of a body determines the torque that produces a specified angular acceleration.

Using the linear and rotational form of Newton's second law of motion, we have;

\( \sum F_{x} = m \cdot \: a_{x}\)

\( \sum F_{y} = m \cdot \: a_{y}\)

\( \sum \tau_{z} = I_z \cdot \: a_{z}\)

From the above equations, we have;

\( \sum F_{x} = m \cdot \: a_{x}\)

Which gives;

T - m•g = -m•a

Where;

T = The tension of the string

m = The mass of the wheel

g = Acceleration due to gravity

a = The linear acceleration of the wheel

\( \sum \tau_{z} = I_z \cdot \: a_{z}\)

\(R \cdot T = I\cdot \alpha _{cm}\)

\(\alpha _{cm} = \frac{a}{R} \)

Which gives;

\(R \cdot T = I\cdot \frac{a}{R}\)

Where;

I = The moment of inertia of the wheel

R = The radius of the wheel

\( \alpha _{cm}\) = The rotational acceleration of the wheel

The given parameters are;

Mass of the wheel, m = 0.500 kg

Radius of the wheel, R = 40 cm = 0.4 m

Moment of inertia of the wheel, I = 0.200 kg•m²

Which gives;

T - m•g = -m•a

T = m•g - m•a

\( T = I\cdot \frac{a}{R^2}\)

Which gives;

\( I\cdot \frac{a}{R^2} = m \cdot g - m\cdot a \)

\( I\cdot \frac{a}{R^2} + m\cdot a = m \cdot g \)

\( a \cdot \left(\frac{I}{R^2} + m \right) = m \cdot g \)

Therefore;

\( a = \frac{m \cdot g}{ \left(\frac{I}{R^2} + m \right)} \)

Which gives;

\( a = \frac{0.5 \times 9.81}{ \left(\frac{0.2}{0.4^2} + 0.5 \right)} \approx 2.803 \)

The tension, T = m•g - m•a

Which gives;

T ≈ 0.5 × 9.81 - 0.5 × 2.803 ≈ 3.5035

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Leaves.

Grass clippings.

Brush trimmings.

Manure (preferably organic)

Any non-animal food scraps: fruits, vegetables, peelings, bread, cereal, coffee grounds and filters, tea leaves and tea bags (preferably minus the staples)

Old wine.

The process by which water vapor changes directly to a solid is called sublimation.

Sublimation is a phase transition in which a substance goes directly from the solid phase to the gaseous phase, without passing through the intermediate liquid phase.

Sublimation is a common process in nature. For example, snow and ice can sublimate directly into water vapor on a cold day. This is why you may see frost on your windows in the morning, even though it was not raining or snowing the night before.

Sublimation can also be used to dry food. For example, freeze-dried food is dehydrated by subliming the water out of it. This process preserves the food's nutrients and flavor.

Sublimation is a useful process that has many applications in science, industry, and everyday life.

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Answer:

C D E is the answer

Explanation:

The products of the reaction are; CO2, SO2, H2O.

A chemical reaction equation equation is composed of;

The interaction between the reactants give rise to the formation of the products. The products are the result of rearrangement of atoms in the reactants.

For the reaction; CH3SH + 4O2 →  , the products of the reaction are; CO2, SO2, H2O.

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Answer:

true

Explanation:

The capacitance of a capacitor that consists of two concentric spherical metal shells will be 4πεab / (b-a)

To calculate the distance between parallel pennies that would make a 1.00-pF capacitor,  use the formula for the capacitance of a parallel plate capacitor:

C = εA/d

where C is the capacitance, ε is the permittivity of free space

(8.85 x 10^-12 F/m),

A is the area of each penny (assuming they are circular and have the same radius), and d is the distance between the pennies.

Rearranging the formula to solve for d, we get:

d = εA/C

Plugging in the given values of ε = 8.85 x 10^-12 F/m and C = 1.00 pF = 1.00 x 10^-12 F, we get:

d = (8.85 x 10^-12 F/m) x (πr^2) / (1.00 x 10^-12 F)

where r is the radius of each penny.

Simplifying this expression gives:

d = πr^2 / 8.85

To solve for d, we need to know the radius of the pennies. Assuming the radius is 1 cm, we get:

d = π(0.01 m)^2 / 8.85 x 10^-12 F/m = 1.13 mm

Therefore, the distance between parallel pennies that would make a 1.00-pF capacitor is approximately 1.13 mm.

This answer suggests that we can treat the pennies as infinite sheets, because the distance between them is much smaller than their dimensions. When the distance between the plates is much smaller than their dimensions, we can assume that the electric field is uniform and that the plates can be treated as infinite sheets.

For a capacitor consisting of two concentric spherical metal shells, the capacitance can be calculated using the formula:

C = 4πε (ab) / (b-a)

where a and b are the radii of the inner and outer shells, respectively, and ε is the permittivity of free space.

This formula assumes that the thickness of the shells is much smaller than their radii, so the shells can be treated as thin, conducting spheres.

If the inner radius is a and the outer radius is b, we can simplify the formula to:

C = 4πεab / (b-a)

So, the capacitance of the capacitor depends on the radii of the shells and the permittivity of free space.

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Answer:

The solar nebula became hot and dense because of that it pulling in more gas. This flattened into a rotating disk. It  spun  faster and faster, forming the Sun.

Explanation:

hope this helps

The solar nebula became hot and dense because of that it pulling in more gas. This flattened into a rotating disk. It  spun  faster and faster, forming the Sun. This order did the events forming our solar system occur.

In the so-called nebular hypothesis of the genesis of the solar system, the Sun and planets originated by condensation from a gaseous cloud. In 1734, Swedish philosopher Emanuel Swedenborg claimed that the planets arose from a nebular crust that enveloped the Sun before breaking apart. Immanuel Kant, a German philosopher, proposed in 1755 that the Sun and planets were created by a slow rotating nebula that was eventually pushed together by its own gravitational force and flattened into a spinning disc. In 1796, the French astronomer and mathematician Pierre-Simon Laplace presented a similar concept, but with the planets forming before the Sun. The Kant-Laplace theories were criticised by the British physicist James Clerk in the late nineteenth century.

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Answer:

The moon should be in the New phase.

Explanation:

The velocity of sound in air is 50 m/s.

To calculate the velocity of sound in air, we can use the formula:

v = f * λ

Where:

v is the velocity of sound

f is the frequency of the sound wave

λ is the wavelength of the sound wave

In this case, the first resonance occurs when the length of the glass tube is a quarter of the wavelength. So, for the first resonance:

λ₁ = 4 * L₁

Where:

λ₁ is the wavelength at the first resonance

L₁ is the length of the tube

Given that L₁ = 30 cm, we can calculate the wavelength at the first resonance:

λ₁ = 4 * 30 cm = 120 cm

Now, when the water level is 25 cm below the open end, the effective length of the tube becomes L₂ = L₁ - 25 cm = 5 cm.

To find the wavelength at the next resonance, we can use the formula:

λ₂ = 4 * L₂

λ₂ = 4 * 5 cm = 20 cm

Since the frequency remains the same (250 Hz), we can now calculate the velocity of sound using the equation v = f * λ:

v = 250 Hz * 20 cm = 5000 cm/s = 50 m/s

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Answer:

500Joules

Explanation:

Kinetic energy = 1/2mv²

m is the mass of the wood

v is the velocity

Given

Mass = 10kg

Velocity v = 10m/s

Substitute into the formula and get KE

KE = 1/2 * 10 * 10²

KE  = 1/2 * 1000

KE = 500Joules

Hence the kinetic energy of the wood during delivery is 500Joules

Answer:

Amiodarone

Explanation:

When a heat pump is used to heat a building, the heat comes from the cold outside.

With the use of a refrigeration cycle, a heat pump may transfer thermal energy from the outside to heat a structure. Many heat pumps can also be used to cool a building by rejecting heat outdoors after removing it from the enclosed area. Air conditioners are devices that only offer cooling.

A refrigerant that is at room temperature gets compressed while the heating mode is on. The refrigerant heats up as a result. To an indoor unit, this thermal energy can be transferred. The refrigerant is squeezed and then let outside once more. It returns to the environment cooler than it was before it lost some of its thermal energy.

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Explanation:

The true statement about gravity is that it is the force of attraction between two objects with masses and also, based on the distance between these objects.

Gravity is a force of attraction.

The best scientific overview of the force of gravity is given by the Newton's law of universal gravitation which states that "the force of gravity between two objects is directly proportional to the product of their masses and inversely proportional to the square of the distance between them",

So, gravitational force of attraction is dependent on mass and the distance between two bodies.

Answer:

below

Explanation:

Remember     V = IR

  Then    V/R  = I

              10 v / 25 ohm = .4 A

Answer:

he weight vector approaches the point within the mass, the equilibrium becomes unstable

any change in the conditions of the environment can cause the rock to slide

Explanation:

In general, a rock in a mountain is in stable equilibrium with the help of the force of gravity that causes its weight to be within the center of mass, that is, the weight vector is first and then it is electing the center of mass.

When for some reason the weight vector approaches the point within the mass, the equilibrium becomes unstable, and any change in the conditions of the environment can cause the rock to slide, for example a rain that reduces the friction force.

It may happen that the weight vector is after the center of the hubs, in this case there is an unstable balance and the stone is held in place by the force of friction with the environment that surrounds it, if this friction decreases the rock will slide .

Buoyancy is the upward force wielded on an object that's wholly or incompletely immersed in a liquid. Also, the buoyancy forces of the two balloons don't have to be the same

Buoyancy doesn't depend on the substance present in the body. thus, both balloons will witness the same lift forces.

balloons float because the air pushes them. But the air does not know what is in the ball.

presses on everything unevenly, so the buoyant force is the same for all balloons of the same size. where ρ is the thickness of the air, g is the acceleration due to graveness, and V is the volume of the balloon.

Buoyancy or buoyancy is the upward force wielded by a liquid opposing the weight of a incompletely or completely submerged object. In a column of liquid, the pressure increases with depth due to the weight of the liquid over.

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Answer:

2 /s north

Explanation:

Given that,

Velocity due North is 8 m/s and due south is 6 m/s

We need to find the magnitude and the direction of the resulting velocity.

Let North is positive and South is negative. When two velocities are in opposite direction, they adds up. So,

\(v=8+(-6)\\\\v=2\ m/s\)

It is positive. So, it is in North direction.

The body mass index (BMI) is the measure of an individual's body weight relative to their height.

Body mass index:

Body mass index (BMI) is determined by dividing the body weight of the individual (in kilograms) by their height (in meters) squared.

The formula for calculating BMI is as follows:

BMI = body weight (kg) / height² (m²)

Where, BMI is the body mass index, the body weight is the weight of the individual in kilograms, and the height is the height of the individual in meters.

Body mass index is a numerical value that is used to classify individuals into different weight categories such as underweight, normal weight, overweight, and obese.

These weight categories are determined by the following BMI ranges:

Underweight: BMI less than 18.5

Normal weight: BMI between 18.5 and 24.9

Overweight: BMI between 25 and 29.9

Obese: BMI greater than or equal to 30BMI is a useful tool in determining the weight status of an individual and can be used to monitor their weight over time.

It is important to note, however, that BMI is not a perfect measure of body fatness and should be used in conjunction with other measures such as waist circumference and body composition to get a more accurate picture of an individual's overall health.

Therefore, the body mass index (BMI) calculates a person's weight in relation to their height.

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The earth is a sphere and the way, we can prove it , is attached in answer.

This are the two practical prove of spherical shape of earth.

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The minimal starting height necessary, in terms of the radius of the loop (r), for the marble to just clear the loop is r/(1 - v²/2rg).

To find the minimal starting height necessary for the marble to just clear the loop, we'll use the principle of conservation of energy. Mathematically solving for the minimal starting height necessary, in terms of the radius of the loop (r), for the marble to just clear the loop: At the top of the loop, the potential energy of the marble equals the kinetic energy at the bottom of the loop.Since there is no friction, the energy is conserved. The potential energy of the marble can be given as:

P = mgh

Where, P = potential energy of the marble, m = mass of the marble, h = height of the marble above the ground, g = gravitational acceleration.

In order for the marble to just clear the loop, the centripetal force must be equal to the gravitational force acting on it.So, we have:

mv²/r = mg

where,v = velocity of the marble, r = radius of the loop, g = gravitational acceleration, m = mass of the marble. On solving the above equation, we get:

v² = gr

Hence, the kinetic energy of the marble can be given as:

K.E. = ½ mv²

Using conservation of energy, we have:

P.E. at the highest point = K.E. at the lowest point

mgh = ½ mv²

So, the height of the marble above the ground at the highest point can be given as:

h = v²/2g

The radius of the loop is r. So, we have:

r = h + hr = v²/2g + r

So, we can solve for the minimal starting height necessary, in terms of the radius of the loop (r), for the marble to just clear the loop.Solving for h in the above equation, we get:

h = r/ (1 - v²/2rg)

Thus, the minimal starting height necessary, in terms of the radius of the loop (r), for the marble to just clear the loop is r/(1 - v²/2rg).

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a) 1890 N sec impulse is applied to the driver by the seatbelt .

b) the average force applied to the driver by the seatbelt is 24.23 N

What is impulse ?

In classical mechanics, momentum (symbolized by J or Imp) is the integral of force F over the time interval t over which the force acts. Since force is a vector quantity, momentum is also a vector quantity. The SI unit of momentum is the Newton second (N s), and the dimensional equivalent unit of momentum is the kilogram meter per second (kg m/s). The equivalent British engineering unit is pound second (lbf⋅s), and in British gravitational systems the unit is slug feet per second (slug⋅ft/s). A resultant force causes an acceleration and a change in the velocity of a body as long as the body is acting on it. Therefore, a net force applied over a long period of time produces a larger change in linear momentum than the same force applied for a short period of time.

The change in momentum is equal to the average force multiplied by the duration. Conversely, a small force applied for a long period of time produces the same change in momentum (same momentum) as a large force applied for a short period of time.

A)

Impulse, J = mv

J = 70 x 27

J = 1890 N sec

B)

Average force, F = 1890/(1.3 x 60) = 24.23 N

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Answer: The answer is Skill

Explanation:

Answer:

The value of the charge is 6 c. Option c.

Explanation:

Electric Field

The electric field is defined as the force per unit charge that would experience a small positive test charge if held at some point in space.

The force F on a charge q at any point in space is equal to the product of the charge and the electric field E at that point .

\(F=q\cdot E\)

Since we know the value of the electric field E=6\ N/c and the force F=36 N experienced by a certain charge q, we can solve the above equation for q:

\(\displaystyle q=\frac{F}{E}\)

\(\displaystyle q=\frac{36\ N}{6\ N/c}\)

q=6 c

The value of the charge is 6 c. Option c.