Draw a self-portrait using this set of instructions:

Draw 5 lines - remember the different types, implied, irregular, directional...

**Think about how a line can express emotion. What would a line conveying happiness look like? What would a line conveying anger look like? maybe you can show your mood by the type of line you create.

Draw 3 shapes - remember there are organic shapes and geometric shapes

Draw in some shading where it's needed- with a regular graphite pencil - notice how you can get light gray to a dark gray by putting different amounts of pressure, or overlapping hatches(lines)

Choose 1 color to add to your drawing that represents your mood.

*Is there any implied motion in your drawing? how can you create implied motion using lines? try to create implied motion or time passing for bonus points.

Post a photo of your final drawing here and talk about how you created it and what you were trying to convey, and respond to at least one of your classmates

Answer:

Chemical changes cause a substance to change into an entirely substance with a new chemical formula.

Explanation:

Chemical changes are also known as chemical reactions. The “ingredients” of a reaction are called reactants, and the end results are called products.

The dipole separation is 1 mm. To determine the dipole separation, we need to use the equation:
p = qd

where p is the dipole moment, q is the magnitude of the charges and d is the separation distance between them.

Given that the magnitude of the charges is 700 nc and they are opposite in sign, the dipole moment is:

p = qd = (700 nc)(d)

Since the dipole separation is much smaller than 15 cm, we can assume that it is less than 150 mm. Therefore, we can rewrite the equation as:

p = qd = (0.7 µC)(d)

where 1 µC = 1000 nc.

To solve for d, we can rearrange the equation as:

d = p/q = (0.7 µC)/(700 nc) = 1 mm

Therefore, the dipole separation is 1 mm.

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Given that both the chair and the person are affected by Earth's movement, we can deduct that both have inertia due to Earth's speed.

true because

brick: solid

milk: liquid

ice cube: solid

The number of moles of gas participating in the Carnot cycle can be determined by calculating the net work done and using the ideal gas law. In this case, the number of moles is approximately 11.94.

The net work done by an ideal gas in a Carnot cycle can be calculated using the formula:

\(W_{net} = nRT_{H}ln(V2/V1)\)

where \(W_{net\) is the net work done, n is the number of moles of gas, R is the gas constant, \(T_H\) is the high temperature in Kelvin, V1 is the initial volume, and V2 is the final volume.

In this case, the net work done is given as 9936 J. The gas constant R is a constant value. The high temperature \(T_H\) is given as 2990 K, and the initial and final volumes V1 and V2 are given as 301 L and 899 L, respectively.

By rearranging the formula, we can solve for the number of moles:

\(n = W_{net} / RT_{H}ln(V2/V1)\)

Substituting the given values, we can calculate the number of moles of gas participating in the process, which is approximately 11.94 moles.

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Answer:

Coolant absorbs thermal energy

Explanation:

Since the coolant is used to refrigerate the engine, it have to absorb the thermal energy

The number of kilograms of hydrogen that pass per hour through a 6-mm thick sheet of palladium having an area of 0.25 m2 at 600 C = 4.08 × 10^-3 kg/h

Given details in the question:

Thickness of the sheet of palladium = 6mm

Area of the sheet = 0.25 m2

Temperature = 600oC

Diffusion coefficient= 1.7x10-8 m2/s

Low pressure sides = 2.0

High pressure sides = 2.0

Explanation;

This problem calls for the mass of hydrogen, per hour, that diffuses through a Pd sheet.

M = JAt = -DAt (ΔC/Δx)

  Where D = 1.7 × 10^–8 m2/s, A is area; 0.25 m², t =3600s/h

ΔC =( 0.4 - 2.0) kg/m³, Δx = 6 mm or 6 × 10^-3 m

Therefore;

   = -(1.7 × 10^–8 m2/s)(0.25 m²)(3600 s/h) [(0.4 - 2.0) kg/m³)/6 × 10^-3]

   = 4.08 × 10^-3 kg/h

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Answer:

Value closest to 1

Explanation:

It is described from the scenario above that ice cream sales decreases as the outside temperature increases, hence showing a strong relationship between both variables (icream sales and temperature). The correlation Coefficient is a metric used in regression modeling to depict the strength of relationship between two variables, (The dependent and independent variables). Correlation Coefficient ranges from (-1 to +1). With values close to 1 or - 1. Also the positive and negative signs are used to show the type of relationship between the variables. If an increase in variable A leads to a decrease in variable B, then we have negative correlation (-) ; while an increase or decrease in both variables depicts a positive correlation. The most likely correlation Coefficient for the study above will be a positive value which is close to 1 since the relationship is described as strong.

Yes, the particle moves in the positive x-direction (to the right) or the negative x-direction (to the left) due to the forces of attraction and repulsion.

When the particle's velocity is positive, it is travelling to the right. When the velocity is negative, it also moves to the left. A body with a higher mass may have a lower moment of inertia than a body with a lower mass. This relies on the mass distribution and axis with respect to which we are computing the moment of inertia. In real-world situations, we frequently avoid dealing with particles.

The time it takes for a constant force to bring a particle to rest, on the other hand, is represented by its momentum.

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Answer:

Explanation:

Fr= Fn-P

ma=Fn-mg

Fn= m(a+g)

Fn=62(1.2+9.8)

Fn= 682N

Answer:

I don't understand what your asking

Explanation:

I really don't know

Answer:

141m

Explanation:

The statement Cars already on the freeway do not have the right-of-way to cars merging onto the freeway is False.

The right-of-way is the right of a pedestrian, vehicle, or ship has to move ahead or proceed with precedence over others in a particular situation or place.

The right-of-way of car already on the freeway precedes those of other cars merging onto the freeway.

In conclusion, the right-of-way is a legal right as to who has precedence in a particular situation or place.

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Answer:

false

Explanation:

Answer:12.583m/s

Explanation:

\(KE=\frac{1}{2}mv^{2}\)

\(3800=\frac{1}{2}(48)v^{2}\)

\(\frac{3800}{24}=v^{2}\)

\(\sqrt{158.33} = v\\12.583m/s=v\)

The magnitude of the girl's acceleration will be 0.122 m/s².It is denoted by \(\rm a_g\).

Force is defined as the push or pulls applied to the body. Sometimes it is used to change the shape, size, and direction of the body.

Force is defined as the product of mass and acceleration. Its unit is Newton.

Mass of girls, \(\rm m_g=38.3 \ kg\)

Mass of boys,\(\rm m_b=59.4 kg\)

Girl exerts a horizontal force,\(\rm F_{gb}=4.70 N\)

\(\rm F_{gb}=m_g \times a_g \\\\\ a_g=\frac{F_{gb}}{m_g} \\\\ a_g=\frac{4.70}{38.3 } \\\\ a_g= 0.122 \ m/s^2\)

Hence, the magnitude of the girl's acceleration will be 0.122 m/s².

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Answer:

10.17 m/s in the direction the compact car was going (+)

Explanation:

Law of conservation of momentum states that total P before the collision must equal total momentum after the collision.

P = mv

solve for v, velocity of the two cars stuck together after the collision:

(187kg)(-38 m/s) + (702kg)(23 m/s) = (187 + 702 kg)v

         momentum before               =   momentum after

-7106 kg·m/s + 16146 kg·m/s = 889 kg(v)

9040 kg·m/s = 889 kg(v)

v = 9040 kg·m/s / 889 kg = 10.17 m/s

Answer:

Its the 2nd law of motion

Explanation:

Because it talks about force and acceleration

Throwing a ball with more force to increase acceleration is an example of Newton’s 2nd law of motion.

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Elastic energy of rubber straps is converted into the kinetic energy of the capsule which is converted into  gravitational potential energy as capsule.

In accordance with the law of energy conservation, energy is neither created nor destroyed but can be converted from one form to another. This implies that energy is not lost and continues to exist.

The energy conversion that takes place as the 'rider' is strapped in is fired high into the sky by rubber straps is elastic energy of rubber straps is converted into the kinetic energy of the capsule which is converted into  gravitational potential energy as capsule.

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The total charge flown across any cross section of the wire in time interval 0-T is determined from the area under the curve as ¹/₂i₀T.

option (2) is the correct answer.

The total charge flown across any cross section of the wire in time interval 0-T is calculated as follows;

The total charge flowing = area under the curve

area under the curve = ¹/₂ x base of the triangle x height of the triangle

area under the curve = ¹/₂ x T  x i₀

area under the curve = ¹/₂i₀T

Thus, the total charge flown across any cross section of the wire in time interval 0-T is determined from the area under the curve as ¹/₂i₀T.

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The speed of the water inside a garden hose is 12.6 m.

If the nozzle has an opening of diameter 1.0 cm and the water is leaving the nozzle at a speed of 14 m/s, then the speed of the water inside the hose can be calculated.

To find the speed of the water inside the hose, the Bernoulli equation can be used. The Bernoulli equation states that for an ideal, inviscid flow:

P1/ρ + (V1^2)/2 + gz1 = P2/ρ + (V2^2)/2 + gz2

The speed of the water inside the hose is Where P1 and P2 are the pressures at 1 and 2, V1 and V2 are the velocities at 1 and 2, g is the acceleration due to gravity, and z1 and z2 are the heights at 1 and 2.

The pressure inside the hose will remain constant, so the Bernoulli equation can be simplified to:

(V1^2)/2 = (V2^2)/2

The velocity of the water inside the hose can then be calculated by rearranging the equation:

V2 = √(V1^2 - 2g (z1 - z2))

Therefore, the speed of the water inside the hose can be calculated by substituting in the known values for V1, g, z1, and z2.

Using the given values, the speed of the water inside the hose is calculated to be 12.6 m/s.

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Calibrating a thermometer is important to ensure that the temperature readings are accurate.

By using a set of standards with a range of known melting points, the thermometer can be calibrated against known temperatures to ensure it is providing accurate readings.

This ensures that when the thermometer is used in experiments or other applications, the measurements taken are reliable and can be trusted. Calibration also allows any potential errors in the thermometer readings to be identified and corrected.

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Answer:

The volume of water in the graduated cylinder will be equal to the calculated volume of the sphere.

Explanation:

The volume of solid objects can be measured by completely immersing these solids in an overflow faucet filled to brim with a liquid in which the solid does not dissolve. This is known as the displacement method. When water is used, it is known as water displacement method.

In the Volume Lab Sheet, a sphere whose volume has been pre-calculated is immersed in the overflow faucet containing water. The displaced water is collected in a beaker and the volume is obtained using a 50 mL measuring cylinder.

The volume of a  sphere is calculated using the following formula:

Vsphere =  4πr³/ 3

The symbol π represents the number pi, which is about 3.14. The letter r stands for the  radius of the sphere, which is the distance from the center of a sphere to its surface. The  radius is exactly half of the diameter, which is the distance across the sphere through its center.

The volume of the water in the measuring cylinder is found to be equal to the calculated volume of the sphere. This is because an object immersed completely in a liquid displaces a volume of liquid equal to its own volume.

Answer:

\(\boxed {\boxed {\sf 98 \ J}}\)

Explanation:

We are asked to find the potential energy of a bowling ball.

Potential energy is the energy an object possesses due to its position. It is calculated using the following formula.

\(E_p= mgh\)

In this formula, m is the mass, g is the acceleration due to gravity, and h is the height.

The bowling ball has a mass of 2 kilograms. The hill is 5 meters high. Assuming this situation is occurring on Earth, the acceleration due to gravity is 9.8 meters per second squared.

Substitute the values into the formula.

\(E_p= (2 \ kg )(9.8 \ m/s^2)(5 \ m)\)

Multiply the numbers together.

\(E_p=19.6 \ kg*m/s^2(5 \ m)\)

\(E_p=98 \ kg*m^2/s^2\)

Convert the units. 1 kilogram meter squared per second squared is equal to 1 Joule. Our answer of 98 kg*m²/s² is equal to 98 Joules.

\(E_p= 98 \ J\)

The bowling ball has 98 Joules of potential energy.

Answer:

Its d 3.74 x 10-8N

Explanation:

Answer: 3.74 x 10-8 N

Explanation:

Answer:

39225J

Explanation:

Given parameters:

Mass of water  = 375grams of water

Change in temperature  = 25°C

Specific heat capacity of water  = 4.184J/g°C

Unknown:

Amount of heat absorbed  = ?

Solution:

To solve this problem, we use the expression below:

      H  = m c Ф  

H is the heat absorbed

m is the mass

c is the specific heat capacity

Ф is the change in temperature

  Insert the parameters and solve;

      H  = 375 x 4.184 x (25) = 39225J

Answer:

Explanation:

The work done by an object can be found by using the formula

workdone = force × distance

From the question we have

workdone = 30 × 0.5 = 15

We have the final answer as

Hope this helps you

The amount of work done by Pravat if he exerts a force of 30 N to lift a bag of groceries 0.5m is 15J.

The work done by a body can be calculated by multiplying the force exerted by the distance moved. That is;

Work done = force (F) × distance (m)

According to this question, Pravat exerts a force of 30N to lift a bag of groceries 0.5 m. The work done is calculated as follows:

Work done = 30N × 0.5m

Work done = 15J

Therefore, the amount of work done by Pravat if he exerts a force of 30 N to lift a bag of groceries 0.5m is 15J.

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The projectile launch relations allow to find the results for the maximum height of the jump of the cat is 0,, 287 m

The projectile launch studies the movement of the body near the earth, let's use the relationship

             \(v_y^2 = v_o_y - 2 g y\)  

Where v_y is the vertical velocity, v_[oy} the initial vertical velocity, g the acceleration of gravity (g = 9.8 m / s²) and t the time

They indicate that the cat jumped with an initial velocity of v₀ = 2.74 m / s and an angle of θ = 60º, let's use trigonometry to find the components of the velocity

         v₀ₓ = v₀ cos 60

         \(v_o_y\) = v₀ sin 60

         \(v_o_y\) = 2.74 sin 60 = 2.37 m / s

In the point highest trajectory the vertical speed must be zero (v_y = 0), in the attached we can see a diagram of the speeds of the cat

          0 = \(v_{oy}^2\)  - 2g y

          y =  \(\frac{v_{oy}^2 }{2g}\)

Let's calculate

         y = \(\frac{2.37^2}{2 \ 9.8 }\)  

         y = 0.287 m

In conclusion with the projectile launch relations we can find the results for the maximum height of the cat jump is 0,, 287 m

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Answer:

Gravity.

Rocket ships.

Ball.

Basketball.

Explanation:

Gravity has to do a lot with air. It puts the planets in there area.

Rocket Ship has to do a lot with air. If i'm right, they calculate the area, weather, about the air.

A ball gets throwed in the air, which gravity comes into place.

Basketball is also a similar example to a ball.