What is the CDC, and what does it have to do with healthy weight levels?

Answer:

It is cold at saturn and far away

Explanation:

Answer:

Summary notes really help and make sure to revise on past papers.Good luck

Explanation:

Give me a like if this helped

Answer:

C. precipitation

Explanation:

if clouds store too much water from evaporation, it will rain which is precipitation

The redshift of the spectral lines of the Sun's hydrogen atoms compared to the hydrogen on Earth is primarily due to the Doppler effect.

The Doppler effect occurs when there is relative motion between a source of waves (such as light waves) and an observer. In the case of the Sun's hydrogen atoms and the hydrogen on Earth, the Sun is moving away from us, and this motion causes a shift in the wavelength of the spectral lines emitted by its hydrogen atoms. This shift is known as a redshift, because it causes the wavelength of the light to appear longer, which corresponds to a shift towards the red end of the spectrum.

The redshift in the spectral lines of the Sun's hydrogen atoms can be used to determine its radial velocity, or the speed at which it is moving away from us. This can in turn be used to study the motion of the Sun and its position in the Milky Way galaxy.

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The winds aloft chart for the Great Lakes (Michigan is fine) region displays the wind direction and speed at several altitudes. At 3000 feet, the wind speed is approximately 17 knots.

At 12,000 feet, the wind speed is about 44 knots. The wind speed at FL350 is approximately 67 knots.Surface friction has an effect on the winds close to the ground, slowing them down due to the frictional force exerted on the ground by air molecules. The winds shift direction with altitude, veering to the right of the direction of travel in the northern hemisphere. The approximate location of the Jetstream can be obtained by examining the wind/temperature plot chart. The fastest wind speed at FL360 appears to be approximately 145 knots, traveling towards the northeast. Flight to the east or southeast would benefit from this wind speed.Seasonally, winds aloft change depending on the position of the jet stream, which moves towards the poles during the summer months and towards the equator during the winter months.

The current surface analysis chart (Prog chart) shows the major frontal activity passing through the Midwest states. Precipitation is what leads the frontal passage in general, with both temperature and wind speed/direction changing from behind to ahead of the front.

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It moves at a constant linear speed around it. Yet, the linear velocity at any point on the blades is constantly varying and accelerating.

Acceleration typically indicates a change in speed, but not necessarily. An item that follows a circular course while maintaining a constant speed is still moving forward because the direction of its motion is shifting.

Most likely, you picture something racing up when you think about acceleration. But a moving thing accelerates as it slows down. A change in speed is what acceleration is, so keep that in mind. The speed of a car that is slowing down decreases.

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Answer:

GDP growth rate is low

Political instability

Lack of technical skills due to low literacy rate

Pressure from neighboring countries

Explanation:

Gross Domestic Product growth rate of Pakistan is much lower than many developed countries. The GDP growth rate for Pakistan is nearly 5% which is not even stable and it variate from plans. Due to which Pakistan is unable to use its available resources to the fullest. Also one of major issue is political instability in the country. After the loss of great leader Quaid e Azam Pakistan has not faced any loyal leader till date.

Noise pollution, health issues, lack of provision of basic necessities to many are few other factors which give rise to poor law and order situation in the country. Lack of availability of heavy machinery and poor infrastructure has contributed to the country decline. There is abundance of natural resources in the country but due to these issues the country is unable to deal with the challenges.

The pressures from neighboring countries have made the situation even worst. The heavy loan burden is restricting the country from development. The covenants imposed by the lenders have limited the country's ability to use its natural resources and become stable.

Answer:

8 m/s²

Explanation:

Centripetal acceleration formula:

As you can see, the mass of the yo-yo is not relevant to this problem.

We are given that the velocity of the yo-yo is 4 m/s.

The radius of the circle formed by the yo-yo on a 2-meter long string is 2 meters.

Substitute these known values into the equation.

The centripetal acceleration of the yo-yo is 8 m/s².

An antiparticle is a subatomic particle that, by definition, has the same mass as its normal particle counterpart but the opposite magnetic moment and electric charge. An electron's antiparticle, for instance, is the positron.

The mass of an antiparticle is equal to that of the particle version, but it has the opposite charge. Antiparticles have opposite charges, baryon numbers, lepton numbers, and strangeness. A subatomic particle known as an antiparticle has the same mass as a particle of regular matter but the opposite electric charge and magnetic moment. Thus, the positron (a positively charged electron) is the opposite of the negatively charged electron.

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When two heavy blocks were connected by a uniform rope that has a mass of 4.00 kg, acceleration of the system was found to be 2.7 m/s²; the tension at the top of heavy rope was 136.5 N;  the tension exerted at the midpoint of the rope was112.5N.

Tension is defined as the act of stretching or straining or the condition of  a substance being stretched or strained.

a) Acceleration of the system can be calculated as

a=Fn/m

={200-(16x9.8)}/16

=2.7m/s²

so therefore the acceleration of the system was calculated and found to be=2.7m/s²

b) the tension of the heavy rope at the top can be calculated as

200-50-T1=5(2.7)

T1=136.5N

the tension at the top of heavy rope was 136.5 N

c)the tension at the middle point of the rope was

T2-9g = 9(a)

         =9(g+a)

         =9(9.8+2.7)

         =112.5 N

so here the tension exerted at the midpoint of the rope was 112.5N.

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From conservation of momentum we have that:

Therefore the velocity of the 1 kg ball after the collision is 2 m/s to the left.

Answer:

1.the friction of air, gravity2.gravity

Answer:

The softball experiences an applied force as a result of Amy’s throw. As the ball moves, it experiences drag from the air it passes through. It also experiences a downward pull because of gravity.

Explanation:

Plato

The magnitudes of the average force exerted by the wall on the ball and the loss of kinetic energy are 19.2 N and 3.19 J respectively.

The impulse is the change in momentum of an object that occurs due to the application of a force to the object over a time interval. Impulse = F * Δt. This is equal to the change in momentum of the object and can be defined as Impulse = Δp = p (final) - p (initial)

From Newton's second law of motion,F = ma = m (v-u) / t. The magnitudes of the average force exerted by the wall on the ball is given by:

F = m (v-u) / t= 0.135 kg * (6.54 - 8.95) m/s / 0.0158s= 19.2 N.

Thus, the magnitudes of the average force exerted by the wall on the ball is 19.2 N.

Kinetic energy is the energy that an object has due to its motion. Kinetic energy (KE) of an object is given by:

KE = (1/2)mv. The loss of kinetic energy is given by the change in kinetic energy.

ΔKE = (1/2)mv²f - (1/2)mv²i

Substitute the given values of mass and velocity,

ΔKE = (1/2)(0.135 kg)(6.54 m/s)² - (1/2)(0.135 kg)(8.95 m/s)²= 3.19 J.

Therefore, the loss of kinetic energy is 3.19 J.

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The efficiency of an electric light bulb that produces 5 joules of light for every 100 joules of electrical energy used is 5%.

The efficiency of an electric light bulb can be calculated by dividing the output energy (in this case, light) by the input energy (electrical energy) and multiplying by 100 to express it as a percentage. In this case, the light bulb produces 5 joules of light for every 100 joules of electrical energy used. Therefore, the efficiency is (5 Joules / 100 Joules) * 100 = 5%. This means that only 5% of the electrical energy is converted into light energy, while the rest is lost as heat or other forms of energy. It is important to consider the efficiency of light bulbs when choosing which ones to use, as more efficient bulbs can help reduce electricity usage and save money on energy bills.

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Answer:

The balloon moves back to the sweater.

Explanation:

Answer:

The balloon moves back to the sweater.

Explanation:

plato:)

Answer:

3763.2 Joules

Explanation:

GPE = mgh

m = 120kg

g = 9.8

h = 3.2 m

GPE = (120)(9.8)(3.2)

GPE = 3763.2 Joules

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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For this type of shoot, it would be ideal to use a high shutter speed of at least 1/500th of a second. This will help to freeze the action of the horses and avoid any blurriness in the photos.

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Answer:

Explanation:36.05 km

Given

First car travels \(r_1=20\ km\) South

then turns and travels \(r_2=30\ km\) east

Suppose south as negative y axis and east as positive x axis

So, \(r_1=-20\hat{j}\)

\(r_2=30\hat{i}\)

Displacement is the shortest between initial and final point

Dispalcement\(=r=r_1+r_2\)

Displacement\(=-20\hat{j}+30\hat{i}\)

Displacement\(=30\hat{i}-20\hat{j}\)

Magnitude \(=\sqrt{30^2+(-20)^2}\)

Magnitude\(=36.05\ km\)

Answer: Friction force

Happy To help ;)

Explanation:

Answer:

yes   1000 j   as I posted on the same Q elsewhere

Explanation:

Answer:

The answer is D

Explanation:

A must always be taller than B  for the skateboarder to have just enough energy to complete the loop.

Centripetal acceleration is a characteristic of an object's motion along a circular path. Centripetal acceleration applies to any item travelling in a circle with an acceleration vector pointing in the direction of the circle's center.

To cancel out gravitational acceleration at point  B, the skateboarder should have centripetal acceleration, that is, he should have some amount of kinetic energy.

Hence, from conservation of energy, it may be written that:

Potential energy at point A = (potential energy + kinetic energy) at point B

mgh₁ = mgh₂ + mv²/2

Hence, h₁ > h₂

That is, Height of A > height of B

Hence,  A must always be taller than B  for the skateboarder to have just enough energy to complete the loop.

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Answer:

A) but be sure and read the answer.

Explanation:

If the object does not move at all, (that's an important restriction) the net force = 0. That being so, the acceleration must be 0 as well. But there is no law saying that there cannot be a constant motion and that's why the restriction is important.

Answer:

hope this helps

Explanation:

Of the three phases of matter (gas, liquid, and solid), sound waves travel the slowest through gases, faster through liquids, and fastest through solids

so your answer would be B.

Answer:

heyyy

May I Know the full question

Atoms will be negatively charged whenever they gain electrons. Attraction of atoms is due to opposite charges of the atoms.

a. Negative

b. Atoms near the wall are positively charged.

This is the phenomenon whereby the carrier of electric charges are not in motion.

The fundamental law of electrostatic state that like charges repel while like charges attract each others.

If you rub an air-filled balloon on your hair, you can make it stick to a wall. when the balloon and your hair are rubbed together, electrons are transferred from your hair to the balloon.

a. The net charge on the balloon after it is rubbed on your hair will therefore be negative because it has gained electron

b. The atoms near the wall's surface are positively charged. When the balloon is brought near the wall, unlike charges will surely attract each other.

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A nucleus whose total mass is less than the sum of the masses of its individual particles.

What is a nucleus?

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