An artificial satellite orbits earth at a speed of 7800 m/s and a height of 200 km above earth’s surface. The satellite experiences an acceleration due to gravity of:.

Answer:

Explanation:

The area of the base of the statue can be found by using the formula

\(a = \frac{f}{p} \\ \)

f is the force

p is the pressure

From the question we have

\(a = \frac{1000}{20000} = \frac{1}{20} \\ \)

We have the final answer as

Hope this helps you

Answer:

Two

Explanation:

A neutral point is a point in the magnetic field of a bar magnet where the resultant magnetic field intensity is zero

The neutral point is formed in the region of the combined magnetic field where the magnetic field from the bar magnet is balanced by the horizontal component from the Earth's magnetic field

Two neutral points are formed adjacent to the north and south poles of a bar magnet when the south pole of the bar magnet points in the magnetic north pole of the Earth with the north pole of the bar magnet pointing towards the south pole of the Earth's magnetic field

Two neutral points are also formed on the west and eastern facing sides of a bar magnet when the north pole of the magnet is pointing to the magnetic north of the Earth's magnetic field and the south pole of the bar magnet points south

Therefore, two neutral points are formed for each orientation of the bar magnet when placed horizontally in the Earths magnetic field with the poles of the magnet facing the North and South poles direction of the Earth's magnetic field.

When a rifle fires at a distant target, the barrel should be pointing straight towards the target.

This is because the barrel is the part of the rifle that the bullet travels through to reach the target. If the barrel is not pointing directly at the target, the bullet may not hit it.

Therefore, it is important to aim the barrel accurately when shooting a rifle at a distant target.

A rifle is a long gun designed to be fired from the shoulder, with a barrel that has spiral grooves (rifling) cut into the inside of the barrel wall that forces the bullet to rotate as it moves out of the barrel.

Learn more about rifle:

https://brainly.com/question/14282981

#SPJ11

The permittivity of free space is a fundamental physical constant that describes the ability of a vacuum or free space to permit the passage of electric fields.

The permittivity of free space, often denoted as ε₀ (pronounced "epsilon naught"), is a fundamental physical constant that describes the ability of a vacuum or free space to permit the passage of electric fields. In other words, it is the measure of the resistance that free space offers to the formation of an electric field.

It is a fundamental constant of nature and is one of the defining values of the International System of Units (SI). Its value is approximately 8.85 x 10⁻¹² farads per meter (F/m).

The permittivity of free space plays a crucial role in the study of electromagnetism, and it is used in various equations and formulas that describe the behavior of electric fields, such as Coulomb's law, Gauss's law, and the capacitance of a capacitor. It also helps to determine the speed of electromagnetic waves in free space, which is the speed of light.

Learn more about permittivity here

brainly.com/question/30403318

#SPJ4

The objects will reach different maximum heights on the other side of the ramp.

Solid Sphere: The solid sphere will reach the highest maximum height on the other side of the ramp. This is because it has both rotational and translational kinetic energy, allowing it to conserve more energy throughout the motion. Hollow Sphere: The hollow sphere will reach a lower maximum height compared to the solid sphere. Although it also has rotational and translational kinetic energy, some of the energy is distributed in the hollow space of the sphere, reducing its effectiveness in reaching a higher height. Block: The block will reach a lower maximum height compared to the spheres. As stated in the problem, the block slides without friction, which means it only has translational kinetic energy. It does not have the rotational kinetic energy that the spheres possess, resulting in a lower maximum height. The ranking of the objects' maximum heights, from highest to lowest, is: Solid Sphere, Hollow Sphere, Block.

To learn more about heights

https://brainly.com/question/29442034

#SPJ11

The magnitude of the unknown force so that the metal bar does not move is 239.02 N. This is the correct option among the given options. Therefore, option (a) is correct.

Here is the given diagram of the metal bar:

Here, let F be the force applied at 75° from the vertical. Also, assume the distance of the force from the pivot point is x.

So, the vertical and horizontal components of the force F will be:

Vertical component of F,

F sin 75° = (599 N) (1.82 m)

= 1088.18 N.m

Horizontal component of F,

F cos 75° = (599 N) (3.51 m - x)

The metal bar does not move, so the net torque is zero.

Torque due to the force F about the pivot point,

T = F cos 75° × (3.51 m - x)

Torque due to the 710 N force,

T = 710 N × (1.82 m)

Net torque = 0So,710 N × (1.82 m) - F cos 75° × (3.51 m - x)

= 0F cos 75° × (3.51 m - x)

= 710 N × (1.82 m)F cos 75° × (3.51 m - x)

= 710 N × (1.82 m)F cos 75°

= 710 N × (1.82 m) / (3.51 m - x)F sin 75°

= 1088.18 N.m239.02 N

Hence, the magnitude of the unknown force so that the metal bar does not move is 239.02 N. Therefore, option (a) is correct.

To know more about magnitude, visit:

https://brainly.com/question/31022175

#SPJ11

Answer:

A lens placed in a transparent liquid becomes invisible because when refractive index of the material of the lens is equal to the refractive index of the liquid in which lens is placed under this condition no bending of light takes place when it travels from liquid to the lens, so both will start behaving like both are same things.

Explanation:

hope it helps :))

Answer:

  A.  The forces are the same size and in opposite directions.

Explanation:

Just as an opposite number will cancel a number: -1 +1 = 0, so an opposite force will cancel a force, with the result that the net is zero.

Its A The force are the same size and in opposite direction

Answer:

A force has both Direction and Motion.

Explanation:

For example, when finding acceleration you take the time and divided it by distance. If the thing you are measuring is going in the positive direction, the acceleration will be positive and if it is going in the negative direction the acceleration will be negative.

Magnitude and Direction

Explanation:

Force is a Vector Quantity

As learned in an earlier unit, a vector quantity is a quantity that has both magnitude and direction. To fully describe the force acting upon an object, you must describe both the magnitude (size or numerical value) and the direction.

Answer:

The answer is A. Cementing...

Explanation:

hope this helps

Answer:

plate tectonics

Explanation:

brainliest also 100% flvs

When you create a best-fit line, the expected value of the slope represents the average rate of change in the dependent variable (y) for every unit increase in the independent variable (x). The slope helps you make predictions and understand the relationship between the two variables in your dataset.

When you create a best-fit line, the expected value of the slope is the coefficient that represents the rate of change between the two variables being analyzed. The slope is determined by finding the ratio of the change in the dependent variable to the change in the independent variable.

It is important to note that the slope of a best-fit line is not always a perfect representation of the true relationship between the variables, but rather an approximation based on the available data. Therefore, the expected value of the slope is subject to variation and uncertainty depending on the specific data set and methodology used to create the best-fit line.
learn more about dependent variables here: brainly.com/question/383055

#SPJ11

To determine the maximum load a square steel bar can hold in tension before breaking, we need to consider the ultimate strength of the material. Given that the ultimate strength of the steel bar is 58 ksi (kips per square inch), we can calculate the maximum load as follows:

Maximum Load = Ultimate Strength x Cross-sectional Area

The cross-sectional area of a square bar can be calculated using the formula: Area = Side Length^2

Let's assume the side length of the square bar is "s" inches.

Cross-sectional Area = s^2

Substituting the values into the formula:

Cross-sectional Area = (s)^2

Maximum Load = Ultimate Strength x Cross-sectional Area

Maximum Load = 58 ksi x (s)^2

The answer cannot be determined without knowing the specific dimensions (side length) of the square bar. Therefore, the correct answer is D. None of the above, as we do not have enough information to calculate the maximum load in tension before breaking.

Regarding the additional statements:

The best way to increase the moment of inertia of a cross-section is to add material at as great a distance from the center as possible.

The formula for calculating maximum internal bending stress in a member is bending moment divided by the section modulus.

An A36 steel bar will yield when bending stresses exceed 36 ksi.

For a horizontal simple span beam loaded with a uniform load, the maximum shear will occur adjacent to the support points.

For a horizontal simple span beam loaded with a uniform load, the maximum moment will occur adjacent to the support points.

These statements are all correct.

To learn more about, maximum load, click here, https://brainly.com/question/30088512

#SPJ11

It is FALSE to state that the distance from the point of no return to the intersection is the same no matter what speed you are going.

If you are 100 feet or fewer from the junction, you have passed "the point of no return" and cannot safely halt before the intersection. As a result, it is preferable to proceed through the junction at your present, legal speed, but with extreme caution.

The point of no return is the moment at which you can no longer halt without entering that space, which is two seconds away. Time yourself in this scenario. Red, green, and flashing lights Yellow arrows: Each traffic signal turn is a dangerous 4-second danger zone. The riskiest is a left turn that requires you to stop and surrender.

Learn more about intersectins in traffic:
https://brainly.com/question/10480226
#SPJ1

Answer:

We can find out a direction by freely suspending a bar magnet. We will find that freely suspended bar magnet always comes to reset in a North- South direction.

Explanation:

When you catch a ball you threw in the skies at the a speed exceeding 14.9 m/s, it will also travel at the same speed when you catch it.

Time is a scalar that indicates the direction and speed of an object's motion. Usually, it is expressed in terms of measures of speed per amount of time, including m / sec (m/s) or miles each hour (mph) (mph). Speed is the size of velocity, a vector number that indicates both the direction and the speed of motion. Pace is a positive number with a unit of distance traveled per second.

When something is launched into air, it is exposed to the downward-moving force of gravity. The item accelerates downward at a velocity of 9.8 m/s2 as a result of this force

The object will slow down so that it rises and accelerate up as it lowers due to this acceleration. However, if there is very little time between the ball's release and the catch, the ball won't have a chance to slow down much. As a result, the pace at which i catch the ball will be quite similar to the pace at which originally threw it.

The ball will therefore continue to move at the same pace that it did when thrown.

To learn more about speed from the given link:

https:/brainly.com/question/13262646

#SPJ4

The height of the cannon before it is launched, at t=0, is 58 m.

The equation of motion of the cannon ball is given as;

h(t) = -4.9t² + 19.8t + 58

The initial height of the cannon before it was launched is calculated as follows;

h(0) = -4.9(0) + 19.8(0) + 58

h(0) = 58 m

Thus, the height of the cannon before it is launched, at t=0, is 58 m.

Complete question is below:

The equation that models the path of a cannon ball is  h(t) = -4.9t² + 19.8t + 58. What is the height of the cannon before it is launched, at t=0? Remember to include units.

Learn more about height of motion here: https://brainly.com/question/5687206

The interaction of an attracting or repulsive force between two charged bodies is referred to as an electric force.

This force is comparable to other forces in that it strikes and affects a specific item, and it is simple to illustrate using Newton's law of motion. One of the forces acting on other bodies is the electric force.

Electric force is the interaction of any two charged bodies that is either repellant or attracting. Similar to any force, Newton's laws of motion describe how it affects the target body and how it does so. The list of additional forces that apply to objects includes the electric force.

The electrostatic force between the two electrons is one of repulsion since electrons are negatively charged and items with like charges repel one another.

To know more about electric force

https://brainly.com/question/11538288

#SPJ4

Answer:

Yes,in fact visible 'light' is a form of radiation, which can be defined as an energy that travels in the form of electromagnetic waves. It can also be described as a flow of particle-like 'wave-packets', called photons, that travel constantly at the speed of light (about 300 000 kilometres per second).

Explanation:

The component form of the velocity of the airplane is (-102.9 km/hr, 280.7 km/hr). This means the airplane is moving approximately 102.9 km/hr to the west and 280.7 km/hr to the north.

To find the component form of the velocity of the airplane, we need to break down the given velocity into its horizontal and vertical components.

Given that the airplane is traveling at a speed of 300 km/hr in the direction 20° west of north, we can represent this velocity as follows:

Magnitude of the velocity = 300 km/hr

Direction of the velocity = 20° west of north

To find the horizontal component, we need to determine the projection of the velocity vector onto the positive x-axis (east direction). Since the direction is west of north, the horizontal component will be negative. Using trigonometry, we can calculate:

Horizontal component = 300 km/hr * sin(20°) ≈ -102.9 km/hr

To find the vertical component, we need to determine the projection of the velocity vector onto the positive y-axis (north direction). Since the direction is north, the vertical component will be positive. Using trigonometry, we can calculate:

Vertical component = 300 km/hr * cos(20°) ≈ 280.7 km/hr

Therefore, the component form of the velocity of the airplane is (-102.9 km/hr, 280.7 km/hr). This means the airplane is moving approximately 102.9 km/hr to the west and 280.7 km/hr to the north.

Learn more about velocity here:

https://brainly.com/question/28395671

#SPJ11

Answer:

4. INTERNATIONAL ASTRONOMICAL UNION

Answer:

6. force is the pull or push which changes or tends to change the (either rest or motion) of a body.

Answer:

ENQUIRE is the answer

Explanation: google....internet browser-.. .-.

Enquire was a software project written in 1980 by Tim Berners-Lee at CERN, which was the predecessor to the World Wide Web

The threshold for hearing, also known as the minimum audible sound or the absolute threshold of hearing, is defined as the minimum sound intensity level that can be detected by a young, healthy human ear. It is commonly accepted to be approximately 0 decibels (dB) on the logarithmic scale used to measure sound intensity.

At this threshold, the sound wave causes very small vibrations in the eardrum, which are then converted into electrical signals by the inner ear and transmitted to the brain for perception as sound. The threshold for hearing can vary slightly depending on factors such as the individual's age, hearing health, and the frequency of the sound wave.

It's important to note that the dB scale is logarithmic, meaning that every increase of 10 dB represents a tenfold increase in sound intensity. Therefore, sounds below the threshold for hearing have extremely low sound intensity and are not perceptible to the human ear.

To learn more about electrical signals visit: https://brainly.com/question/31505849

#SPJ11

The porosity of the soil sample collected from the agricultural field using the soil corer method is 35.2%.

To calculate the porosity of the soil sample collected from the agricultural field using the soil corer method, we first need to determine the volume of the soil and the volume of the water in the sample.

The volume of the soil can be calculated using the dimensions of the metal corer as follows:

Volume of soil = π x (diameter/2)^2 x height
= π x (7 cm/2)^2 x 12 cm
= 231.91 cm^3

Next, we need to determine the volume of the water in the sample. We are given that the sample has a field moist mass of 706 g, and contains 135 g of water. This means that the dry mass of the soil in the sample is:

Dry mass of soil = Field moist mass - Mass of water
= 706 g - 135 g
= 571 g

To determine the volume of water, we can use the density of water, which is approximately 1 g/cm^3. This means that the volume of water in the sample is:

Volume of water = Mass of water / Density of water
= 135 g / 1 g/cm^3
= 135 cm^3

Now that we have determined the volume of soil and the volume of water in the sample, we can calculate the porosity as follows:

Porosity = Volume of voids / Total volume

Volume of voids = Volume of the metal corer - Volume of soil - Volume of water
= π x (7 cm/2)^2 x 12 cm - 231.91 cm^3 - 135 cm^3
= 93.05 cm^3

Total volume = Volume of the metal corer
= π x (7 cm/2)^2 x 12 cm
= 263.9 cm^3

Therefore, the porosity of the soil sample is:
Porosity = Volume of voids / Total volume
= 93.05 cm^3 / 263.9 cm^3
= 0.352 or 35.2%

So, the porosity of the soil sample collected from the agricultural field using the soil corer method is 35.2%.

To know more about agricultural field visit:-

https://brainly.com/question/23521963

#SPJ11

Answer:

Is all about people – how many of us there are, how we shape the world around us, and how we interact with each other.

Explanation:

Answer:

Population is derived from French word "populous" meaning 'people' so population is study of people living together and education is life long knowledge.

Explanation:

sana makatulong

Answer:

Sí se puede aplicar el Principio de Conservación de la Energía Mécanica siempre y cuando se considere los efectos de pérdida de energía a causa del rozamiento, de lo contrario, no se cumpliría el requisito de conservación derivado del citado principio de conservación.  

Explanation:

Consideremos que el cuerpo representa nuestro sistema de estudio, el cual se desplaza por una carretera y experimenta rozamiento, significando cambios en la energía cinética y potencial gravitacional. La presencia de rozamiento indica una disipación de la energía del cuerpo, cuya energía mecánica total disminuye, significando un sistema no conservativo.

Sí se puede aplicar el Principio de Conservación de la Energía Mécanica siempre y cuando se considere los efectos de pérdida de energía a causa del rozamiento, de lo contrario, no se cumpliría el requisito de conservación derivado del citado principio de conservación.  

The largest value of R'L for the CS amplifier is 318 ohms, with a midband gain of 1.59 and a gain-bandwidth product of 15.9 MHz.

If the upper 3-dB frequency is relaxed to (10/3) MHz, the midband gain AM can increase to 3.98 and the gain-bandwidth product (GB) can become 13.27 MHz.


1. Find the total capacitance, C_T = C_gs + (1+g_m*R'_L)*C_gd.

2. Calculate the required cutoff frequency, f_c = 10 MHz.

3. Rearrange the equation f_c = 1/(2*pi*R_sig*C_T) to solve for R'_L.

4. Substitute the given values and find R'_L ≈ 318 ohms.

5. Calculate the midband gain, AM = g_m*R'_L ≈ 1.59.

6. Determine the gain-bandwidth product, GB = AM*f_c ≈ 15.9 MHz.

7. If the upper 3-dB frequency is relaxed to (10/3) MHz, recalculate the midband gain and gain-bandwidth product.

To know more about midband gain click on below link:

https://brainly.com/question/15146615#

#SPJ11

Answer:

f = 99.96 N

Explanation:

Weight of Mr. Tracy, W = 85 kg

The coefficient of sliding friction between his socks and the floor is 0.12.

We need to find the force of friction that opposes Mr. Tracy's motion down the hall.

The force of friction is given by :

\(f=\mu mg\\\\f=0.12\times 85\times 9.8\\\\f=99.96\ N\)

So, the required force of friction is 99.96 N.

Answer:

C

Explanation:

thats what i think it depends on the amount of force someone dropped the ball with.

Answer: A) "Less than 60 centimeters, as the ball transforms a part of its potential energy into heat energy"

Explanation:

I took the test

Given that the mass of the car is m = 2000 kg and initial speed u = 20 m/s.

Here, three values of time are given.

(a) t1 = 10 s

(b) t2 = 4 s

(c) t3 = 1.2 s

In all three cases, the final velocity vis zero.

Impulse = change in momentum

= mv-mu

If the time duration is increased then force will be decreased as

Force will be lowest for 10s and greatest for 1.2 s.

The impulse will be the same for all three cases as the change in momentum is the same.