Einstein's theory of general relativity is currently the best explanation of
gravity. Why has this theory not been replaced with a new one?
O A. Scientists assume it is correct and therefore no longer perform
experiments on gravity.
O B. Because of Einstein's fame, it remains popular among scientists.
O C. The force of gravity has been shown to remain constant over time,
O D. It still explains the experimental evidence pertaining to gravity.
SUBMIT

Answer:

gravity

Explanation:

if a Venus sized object is orbiting a star and a two neptune sized objects are orbiting closely the will pull and yank on the venus sized object heating it up and the star will pull back on the other panlets heating the insides of the planet (take io as an example)

Answer:

inclined plane

Explanation:

An inlcined plane is a simple machine used to slide an object over an obstacle

Answer:

1) wave length

2) parallel reflection

Answer: The acceleration due to gravity increases the velocity of a falling object by 9.8 m/s per

second. Answer B is wrong because velocity increases. Answer C is wrong because the

distance increases every second. Ans. E is wrong because the derivative of distance with

respect to time gives the velocity, not the acceleration.

Explanation:

Answer:

0.463 m/s^2

Explanation:

I calculated the answer using my

The final speeds of the spheres are 3.47 m/s and 3.08 m/s.

We can use conservation of momentum to solve this problem since there are no external forces acting on the system.

The initial momentum of the system is:

p_initial = m₁ * v₁ + m₂ * v₂

where m₁ and m₂ are the masses of the spheres, and v₁ and v₂ are their initial velocities (4.00 m/s and 0 m/s, respectively).

After the collision, the momentum of the system is:

p_final = m₁ * v1' + m₂ * v₂'

where v₁' and v₂' are the final velocities of the spheres. We also know that the angle between the first sphere's final path and its initial path is 60 degrees, which means that the angle between the two spheres after the collision is 150 degrees (90 + 60).

Using conservation of momentum, we can set the initial and final momenta equal to each other:

m₁ * v₁ + m₂ * v₂ = m₁ * v₁' + m₂ * v₂'

We can also break down the final velocities into their x and y components using trigonometry. Let's define the angle between the first sphere's final path and the x-axis as theta. Now we can use conservation of momentum to solve for the final velocities:

m₁ * v₁ + m₂ * v₂ = m₁ * v₁' * cos(theta) + m₂ * v₂' * cos(150 degrees)

0 = m₁ * v₁' * sin(theta) + m₂ * v₂' * sin(150 degrees)

Solving the first equation for v₂', we get:

v₂' = (m₁ * v₁ + m₂ * v₂ - m₁ * v₁' * cos(theta)) / (m₂ * cos(150 degrees))

Substituting this expression into the second equation and solving for v₁', we get:

v₁' = (m₂ * sin(150 degrees) * v₁ + m₂ * sin(150 degrees) * v₂ + m₁ * sin(theta) * v₁' - m₁ * sin(theta) * m₂ * v₁ * cos(theta) / cos(150 degrees)) / (m₁ * sin(theta))

Plugging in the given values and solving, we get:

v₁' = 3.47 m/s

v₂' = 3.08 m/s

To know more about friction, here

brainly.com/question/14700266

#SPJ1

The angular speed of the wheel is **100π** radians per minute.

The linear speed of a rotating wheel is the distance traveled by a point on the circumference of the wheel per unit time. In this case, the linear speed is given as 200f(t)/(m)in, where f(t) represents an arbitrary function of time and m represents an arbitrary unit of measurement.

To find the angular speed of the wheel, we need to convert the linear speed into angular speed. Angular speed is defined as the rate at which an object rotates or travels around a circular path. It is measured in radians per unit time.

To convert the linear speed into angular speed, we need to relate the linear speed to the circumference and radius of the wheel. The circumference of a circle is given by 2π times the radius. In this case, the radius of the wheel is given as 2 feet.

Since the linear speed is the distance traveled per unit time, we can calculate the distance traveled in one minute by multiplying the linear speed by 60. Dividing this distance by the circumference of the wheel gives us the number of revolutions per minute. To convert this into radians per minute, we multiply the number of revolutions by 2π.

In summary, to calculate the angular speed of the wheel, we take the given linear speed and convert it into the number of revolutions per minute. We then multiply this value by 2π to obtain the angular speed in radians per minute.

Learn more about angular

brainly.com/question/19670994

#SPJ11

Answer:

lady if you cant send a clearer picture and the question

Explanation:

The formula for calculating force is:

force = mass x acceleration

The force is 14 Newtons (N).

What is force?

Force is a physical quantity that describes the interaction between two objects, resulting in the acceleration of one or both objects. Force can cause a stationary object to move or change its direction, or it can alter the speed or direction of a moving object. Force is measured in the unit of Newtons (N) and is represented by the symbol F.

In this case, we have a mass of 3.5 kg and an acceleration of 4 m/sec². To find the force, we simply multiply the two values:

force = 3.5 kg x 4 m/sec²

To calculate this, we can use a calculator or do the multiplication by hand. Here's how to do it step-by-step:

Write down the values given in the problem:

mass = 3.5 kg

acceleration = 4 m/sec²

Write down the formula for force:

force = mass x acceleration

Substitute the values given in the problem into the formula:

force = 3.5 kg x 4 m/sec²

Multiply the two values:

force = 14 kg m/sec²

Simplify the unit by replacing kg m/sec² with Newtons (N), which is the unit of force:

force = 14 N

Therefore, the force is 14 Newtons (N).

To know more about force go to the given link;

brainly.com/question/12785175

#SPJ

The function of the load in an electric circuit is it safely opens and closes the circuit. Thus, the correct option is D.

An electrical load is an electrical component or a portion of the electric circuit which consumes electric power, such as electrical appliances and lights inside the house. The electric loads may also refer to the power consumed by a circuit. This is opposite to a power source, such as a battery or a generator, which produces electric power.

The base load power plants typically are the coal-fueled or nuclear plants due to their low-cost fuel and steady state power they can produce in a plant. The hydropower and geothermal power plants can also be used for the purpose of base load electricity generation if those resources are regionally available.

Therefore, the correct option is D.

Learn more about Electric circuit here:

https://brainly.com/question/29032441

#SPJ2

"The switch causes a break in the circuit" when you turn off the wall switch and causes the light to go out. The correct option is C.

When you turn off the wall switch, it interrupts the flow of electricity in the circuit, which causes the light to go out. The wall switch controls whether the circuit is in series or parallel.

In a series circuit, the components are connected in a single path, which means that the current must flow through each component in turn. When the switch is turned off, the circuit is broken and the flow of electricity is interrupted, causing the light to go out.

In a parallel circuit, the components are connected in multiple paths, which means that the current can flow through one path even if another path is interrupted. If the light is part of a parallel circuit, turning off the switch may not cause it to go out immediately, since the current can still flow through the other components in the circuit. However, if all the paths in the parallel circuit are interrupted, the light will go out.

Therefore, the correct answer is option C.

For more such questions on the circuit:

https://brainly.com/question/27206933

#SPJ11

Answer: A Energy was destroyed as the ball hit the ground.

Explanation: Form my math class i knowed that

The frequency of a light wave with a wavelength of 680 nm can be calculated using the formula: frequency = speed of light / wavelength.

The frequency of a wave represents the number of complete cycles or oscillations it completes per unit of time. In the case of light waves, their frequency determines the color of the light. The wavelength of a light wave refers to the distance between two consecutive points of similar phase, such as two peaks or two troughs.

To calculate the frequency of a light wave, we can use the equation: frequency = speed of light / wavelength. The speed of light is a constant value, approximately 299,792,458 meters per second in a vacuum. By substituting the given wavelength of 680 nm (or 680 × 10^-9 meters) into the formula, we can determine the frequency of the light wave.

Therefore, the frequency of a light wave with a wavelength of 680 nm can be found by dividing the speed of light by the wavelength.

Know more aabout speed of light here:

https://brainly.com/question/28224010

#SPJ11

The best description of longitudinal waves is that B. Longitudinal waves are waves that squeeze together and pull apart.

In longitudinal waves, the particles of the medium vibrate parallel to the direction of the wave's motion, resulting in areas of compression (where particles are squeezed together) and rarefaction (where particles are pulled apart).

This is in contrast to transverse waves, where the particles of the medium vibrate perpendicular to the direction of the wave's motion, resulting in areas of crests and troughs.

Learn more about waves at:

https://brainly.com/question/15663649

#SPJ1

Answer:

18000 J

Explanation:

From the question given above, the following data were obtained:

At point 4:

Mass of cart = 600 Kg

Velocity of cart (v) = 7.745 m/s

Kinetic energy (KE) =?

KE = ½mv²

KE = ½ × 600 × 7.745²

KE = 300 × 7.745²

KE ≈ 18000 J

Therefore, the mechanical energy of the cart at point 4 is 18000 J

Answer:False

Explanation:

Answer:

I = 1.62 w/m^2

Explanation:

wavelength = 625 nm

position of screen = 3.00 m past the slit

Determine the intensity of the light

I = \(I_{0} ( sin\frac{\beta }{2 } /\frac{\beta }{2} )^2\)  

β = 2π*Dsin∅ / л

\(I_{0}\)  = 2

Attached below is the remaining part of the solution

Answer:

Water set free by magma began to cool down the Earth's atmosphere, until it could stay on the surface as a liquid. ... The sun, which drives the water cycle, heats water in the oceans. Some of it evaporates as vapor into the air. Ice and snow can sublimate directly into water vapor.

The reading on the weighing machine when the marble is completely immersed will be less than 57.5N,

When the marble is completely immersed in water, the reading of the spring balance will remain the same, at 14N. The spring balance measures the weight of the marble, which is determined by its mass and the acceleration due to gravity. Immersing the marble in water does not change its mass or the gravitational pull, so the weight remains constant.

However, the reading of the weighing machine will change when the marble is immersed. The weighing machine measures the force exerted on it by an object, which is equal to the weight of the object. When the marble is immersed in water, it experiences a buoyant force exerted by the water, which partially counteracts its weight. The buoyant force is equal to the weight of the water displaced by the marble, according to Archimedes' principle.

Since the marble's relative density is given as 2.8, which is greater than 1, it will sink in water. As a result, the buoyant force will be less than the weight of the marble. Therefore, the reading on the weighing machine when the marble is completely immersed will be less than 57.5N, indicating the reduced effective weight of the marble in water. The exact reading on the weighing machine can be calculated by subtracting the buoyant force from the weight of the marble.

Know more about Archimedes' principle here:

https://brainly.com/question/775316

#SPJ8

During sewer pipe installation using a laser, a laser beam is projected through the pipe until it hits a target beam(c).

The target beam acts as a reference point or marker that helps align the pipe correctly during installation. By hitting the target beam, the laser beam indicates the desired direction and position for the pipe, ensuring accurate installation.

The target beam is often placed at the other end of the pipe or at specific intervals along the pipe's path, allowing the construction crew to adjust the alignment and slope as necessary. This process helps ensure the proper installation of the sewer pipe, minimizing potential issues and ensuring efficient drainage.

So c is correct option.
For more questions like Beam click the link below:

https://brainly.com/question/14148783

#SPJ11

Explanation:

1- El primer paso para calcular la fuerza del brazo en el punto medio de la excavadora para levantar la tierra, es averiguar dónde está el fulcro, que en este caso está en las manos.

2- El segundo paso es calcular el brazo de potencia, al que llamaremos Bp, y el brazo de resistencia, que estará representado por Br.

Si Bp es igual a la distancia de la potencia al fulcro, Bp = 60cm

y si Br es igual a la distancia desde la resistencia al fulcro, entonces

Br = 40 + 60 = 100cm

3- Ahora aplicamos la fórmula de la ley de la palanca. Nosotros

piden que se aplique la fuerza en manos de

en el medio, es decir, la potencia P. La fórmula sería:

Y en el tercer paso, aplicaremos la fórmula de la ley de la palanca, que es:

P = R x Br / Bp

P = 8 x 100/60

P = 13,33 Kgf

Entonces la respuesta final es:

P = 13,33 Kgf

Answer:

Energy

Explanation:

Edge 2021

As part of his special theory of relativity, Einstein saw mass as a form of energy.

The theory of relativity as stated by Einstein stated that mass and energy are both interconvertible. This explains why energy is released when mass is lost.

Thus, as part of his special theory of relativity, Einstein saw mass as a form of energy.

Learn more about  theory of relativity: https://brainly.com/question/364776

#SPJ6

Answer:

The velocity of the wave is 100 m/s.

Explanation:

 The changing the compound inequality x>-3 and x <3 from "and" to "or" change the solution set Yes, if you change the type of compound inequality, the solution set will change. The solution set of the “and” compound inequality contains values for x that satisfy both inequalities, which are values between –3 and 3. The solution set of the “or” compound inequality contains values for x that satisfy either or both inequalities, which includes all real numbers.

An compound  inequality is a statement that has two inequality statements joined by either the word "or" or the word "and." "And" indicates that both statements of the compound sentence are true at the same time. This is the overlap or intersection of the solution sets of the individual sentences.  

There are two types of additive inequality.

These compound inequalities sometimes appear as two simple inequalities separated by the word AND or OR. When solving compound "and/or" inequalities, begin by solving each inequality separately.

To learn more about compound inequality, refer;

https://brainly.com/question/15420527

#SPJ9

Answer:)

Sample Response: Yes, if you change the type of compound inequality, the solution set will change. The solution set of the “and” compound inequality contains values for x that satisfy both inequalities, which are values between –3 and 3. The solution set of the “or” compound inequality contains values for x that satisfy either or both

Explanation:) hope this helps have a great day !:).

Brainliest would be very very appreciated.

In this experiment, marbles were rolled down a ramp to determine the relationship between potential and kinetic energy and how it affects the distance a box will slide.

The potential energy of the marbles differed based on their starting location, with higher locations possessing more potential energy. As the marbles rolled down the ramp, their potential energy decreased while their kinetic energy increased.

When the marble hit the box, it transferred its kinetic energy to the box, causing it to slide backward. The results showed that the higher the marble's potential energy, the further the box slid.

Additionally, the larger the mass of the marble, the greater its kinetic energy and the further the box slid. Overall, the hypotheses for each experiment were confirmed by the data collected.

Read more about experiments here:

https://brainly.com/question/25303029

#SPJ1

A piece of steel sinks in water because steel is denser than water. However, a steel ship is a hollow object made of steel and contains a lot of air in it. Due to presence of a lot of air in it, the average density of the ship becomes less than the density of water. Hence a ship floats in water.

Answer:

Cause its a steel block

Explanation:

thats like putting a brick in the water and expecting it to float

Sunlight appears orange or red near sunset or sunrise due to the scattering of light in the atmosphere. This phenomenon is known as Rayleigh scattering.

When sunlight passes through the Earth's atmosphere, it interacts with particles such as air molecules, dust, and water vapor. During the day, when the sun is high in the sky, sunlight travels a relatively short distance through the atmosphere to reach our eyes. In this case, shorter wavelengths of light, like blue and violet, are scattered more than the longer wavelengths, like red and orange. However, our eyes are more sensitive to blue light, which is why the sky appears blue during the day.

As the sun approaches the horizon during sunset or sunrise, sunlight has to travel a longer distance through the atmosphere before reaching our eyes. This causes more scattering of the shorter wavelengths, like blue and violet light, which are dispersed in different directions and eventually lost from our line of sight. Meanwhile, the longer wavelengths, like red and orange, are scattered less and continue to travel in a more direct path to our eyes. As a result, the sunlight we see near the horizon appears more orange or red, creating the colorful skies we associate with sunrise and sunset.

To know more about the scattering of light, click here;

https://brainly.com/question/13090075

#SPJ11