Consider a beam of light with wavelength 656.3 nm incident on a diffraction grating with many slits separated by a distance 0.00167 mm. At what angle is the second maximum (n=2) transmitted?

Answer:

Both are moving at 30 km/h, so their speed is the same. ... enough fuel for the trip/how long it will take. 4 Weight is a force, and so is a vector. ... c At 10 seconds David's displacement is.

Answer:

thermal energy

Explanation:

Answer:

Explanation:

you can detect the hardness of water collected from different sources by using soap. Soaps can be used to check the hardness of water as it forms insoluble precipitate with hard water.

Answer:

We can detect the hardness of water taken from different sources by adding soap to it.

Explanation:

If the soap does not form micelle in the water then it will be hard water. In simple language if the soap doesnot disslove in water then it will be soft water.

The critical angle of the transparent material is 35.3 degrees.

The critical angle is the angle of incidence at which the angle of refraction is 90 degrees. In this case, the angle of refraction is 32 degrees. Therefore, the critical angle is calculated as follows:

sin(critical angle) = sin(90 degrees) / sin(angle of refraction)

sin(critical angle) = 1 / sin(32 degrees)

sin(critical angle) = 0.574

critical angle = arcsin(0.574)

critical angle = 35.3 degrees

Therefore, the critical angle of the transparent material is 35.3 degrees.

Learn more about angle on

https://brainly.com/question/25716982

#SPJ1

Answer:

Step 1: Choose a problem

Step 2: Come up with a hypothesis

Step 3: Research

Step 4: Experiment to prove, disprove hypothesis

If hypothesis correct, then it becomes "theory"

Explanation:

For the book to move in the direction of the movement arrow, a force in the direction of the desired movement must be applied causing the forces to be unbalanced.

option D is the correct answer.

Newton's first law of motion states that an object at rest or uniform motion in a straight line will continue in that path unless it is acted upon by an external force and it will move in the direction of the applied force.

Also, from Newton's second law of motion, which states that the force applied to an object is directly proportional to the product of mass and acceleration of the object.

Mathematically, Newton's second law of motion is written as;

F (net) = ma

F - Ff = ma

where;

Thus, for the book to move, the force of friction must be overcame by the applied force and this create an unbalanced force acting on the book. Also, the book will move in the direction of the net force acting on it.

Learn more about applied force here: https://brainly.com/question/24255032

#SPJ1

The gravitational force between the two objects, after the mass of both objects was quintupled and the distance between the objects was doubled, is 2.56 units.

The gravitational force between two objects is given by the formula:

F = G * (m1 * m2) / r^2

where;

If the mass of both objects is quintupled, their new masses become 5 times their original masses. If the distance between the objects is doubled, their new distance becomes 2 times their original distance.

Plugging these values into the formula, we get:

New F = G * [(5m) * (5m)] / (2r)^2

New F = G * (25 * m^2) / (4 * r^2)

New F = (25/4) * (G * m^2 / r^2)

Since the original gravitational force was 16 units, we can set up a proportion:

16 / F = 1 / (25/4)

Multiplying both sides by F, we get:

16 = F * (25/4)

Multiplying both sides by 4/25, we get:

F = 16 * (4/25)

F = 2.56 units

Learn more about gravitational force here: https://brainly.com/question/72250

#SPJ1

As stars get bigger and brighter, the closer they are to their end of life.

Because they have already used all the elements they can in nuclear fusion. Iron cannot be fused, its too heavy.

The most accurate graph here would be the third one.

Most of the ten million tonnes of particles known as solar wind that leave the sun each year do so through places known as coronal holes.

The corona is the name given to the outermost part of the Sun's atmosphere. Usually, the Sun's bright surface light makes the corona invisible. It gets difficult to see without using certain instruments.

A halo is a ring or light that develops around the sun or moon as a result of light from the sun or moon reflecting off ice crystals found in a thin layer of cirrus clouds. The halo is typically perceived as a dazzling, white ring, however it occasionally has colour.

To know more about particles visit:-

https://brainly.com/question/1685421

#SPJ1

Answer:

0.000987313 N Im not sure HAHAHAH

Answer:D

Explanation:

:)

Given

A massive light hangs over the table in Jeremy's dining room. The light is supported by four strong chains which make an angle of 72° with the horizontal.

The force in each chain is F=36.4 N.

To find

The mass of the light in kg

Explanation

Let the mass of the light be m

The weight of the light acts downwards.

To balance thisi force the force on the string vertically upward is considered

In equillibrium

Conclusion

The mass of the light is 13.84 kg

Answer: D all of the above

Can I get brainliest since I answered first

Answer:

the third one is incorrect

Explanation:

10 x 10³= 10^1 x 10^3 = 10^4

Hi there!

Part 1:

If the blocks are moving at a constant velocity:

∑F = 0

Begin by summing the forces acting on each block. Let the upward direction be positive.

∑F₁ = Ta - M₁g - Tb

∑F₂ = Tb - M₂g

Sum the forces:

∑F = Ta - M₁g - Tb + Tb - M₂g

∑F = Ta - M₁g - M₂g = 0

Solve for Tension A:

Ta = M₁g + M₂g (Let g = 9.8 m/s²)

Ta = 4.2(9.8) + 2.6(9.8) = 66.64 N

Now, solve for tension B using the summation of ∑F₁:

0 = Tb - M₂g

Tb = (2.6* 9.8) = 25.48 N

Part 2:

We can use the same method, but incorporate the acceleration:

∑F = Ta - M₁g - M₂g

(M₁ + M₂)a = Ta - M₁g - M₂g

(M₁ + M₂)a + M₁g + M₂g = Ta

(4.2 + 2.6)(1.2) + 4.2(9.8) + 2.6(9.8) = 74.8 N

∑F₂ = Tb - M₂g

M₂a + M₂g = Tb  = 28.6 N

Part 3:

Since the top string experiences most of the tension, we can use its equation to calculate the maximum acceleration:

∑F = Ta - M₁g - M₂g

(M₁ + M₂)a = Ta - M₁g - M₂g

a = (90 - M₁g - M₂g)/(M₁ + M₂)

a = 3.435 m/s²

Answer: A, to inform people of when, how, and why to wash their hands.

Explanation: in the poster it shows when you should wash your hands, how you should wash your hands, and why its important to wash your hands! Please give brainliest!

The statement on the CDC  poster is meant to to inform people of when, how, and why to wash their hands.

Hand washing is a very important way of stopping the spread of infectious diseases. We saw this especially during the pandemic when there was a wider call for hand washing.

The statement  “Stop Germs! Wash Your Hands” on the CDC  poster is meant to to inform people of when, how, and why to wash their hands.

Learn more about hand washing: https://brainly.com/question/17756657

Answer:

You should try your best to answer the question.

The range of the shots(projectiles) will be around 131.65 meters when the point of the cannon is set to 20 degrees above level. 

To decide the run of the shots, we have to calculate the horizontal distance that the shots will travel.

Ready to utilize the taking after kinematic condition to fathom for the run:

\(R = (v^2/g) * sin(2θ)\)

Where:

R = run

v = starting speed (25 m/s)

g = increasing speed due to gravity (9.81 m/s²)

θ = point of the cannon (20 degrees)

Substituting the given values into the condition, we get:

\(R = (25^2/9.81) * sin(2*20)\)

R = 131.65 meters

In this manner, the run of the shots will be around 131.65 meters. 

To know more about projectiles refer to this :

https://brainly.com/question/24216590

#SPJ1

There is no induced EMF, and therefore, the current in the loop before it starts moving is zero.

Assuming that the loop moves at constant speed and using the magnetic field lines as a guide, let's determine the following in each case: What is the current in the loop before it starts moving.

Before the loop starts moving, the magnetic flux through the loop is constant because the loop is stationary. According to Faraday's Law of Electromagnetic Induction, a changing magnetic flux induces an electromotive force (EMF) in the loop, which in turn creates a current.

Since the magnetic flux is constant in this case (before the loop starts moving), the rate of change of magnetic flux is zero. As a result, there is no induced EMF, and therefore, the current in the loop before it starts moving is zero.

Learn more about current in the loop: brainly.com/question/29433874

#SPJ11

The magnitude of the braking force is 0

What is acceleration?

velocity changes with time at an accelerating rate in both speed and direction. In the case of simple harmonic motion, the spring's elastic force serves as the restoring force. The application of Hooke's law, F = - kx, allowed for its discovery. Here, k is the spring constant and x is the spring's deformation (change of its length from equilibrium position).

We can see that this force is variable and dependent on the mass-spring system's x displacement. The minus sign indicates that the force's direction is the opposite of the displacement, and as a result, the force causes the mass of the back to return to its equilibrium position.

As with any force, restoring force can be calculated using Newton's second law, F = ma, where m is the body's mass and an is its acceleration.

Now we can write:
The body's displacement x is zero when it reaches equilibrium. Acceleration is therefore 0.

By the way, when the amplitude of the this mass-spring system reaches its maximum, the acceleration will be at its maximum value. The mass-spring pendulum swings in the opposite direction at these points. We refer to those as inflection points.

To know more about acceleration click-

https://brainly.com/question/460763

#SPJ1

Answer:

Explanation:

The force on an electron moving through an electric field is given by:

F = qE

where q is the charge of the electron, and E is the electric field.

The force on an electron moving through a magnetic field is given by:

F = qvB

where v is the speed of the electron, and B is the magnetic field.

Since the electron is experiencing no net force, the electric force must be balanced by the magnetic force. Thus:

qE = qvB

Solving for v, we get:

v = E/B

Substituting the given values, we get:

v = 400 N/C / 0.15 T

v = 2666.67 m/s

Therefore, the speed of the electron is 2666.67 m/s.

Answer:

The immune system is made up of a network of cells, tissues, and organs that work together to protect the body against infection and maintain overall health. The human body is an optimal environment for pathogens, such as bacteria, viruses, fungi, and parasites to thrive. Your immune system isn't tricked by cancer, it tries to fight off the infection, as the infections gets bigger, your healthy blood cells are not able to fight off the cancer cells.

Explanation: I hope this helps, if not let me know and I will give you a different answer, though this came from my textbook.

MTTF or Mean Time to Failure can be calculated using the given data. The term MTTF is often used to describe the expected lifetime of electronic devices and other items.

Here is how to calculate MTTF when given data:(c) Life testing was made on six non-replaceable) electrical lamps and the following results were obtained.

Calculate MTTF.The following data has been given:Number of lamps, n = 6Total time, T = 10000 hoursFailures, f = 2MTTF formula is given as:MTTF = T / n * fWhere, T = total time during which the test was conducted.n = the number of items tested.f = the number of items failed.Using the given data, we can calculate the value of MTTF as follows:MTTF = T / n * f = 10000 / 6 * 2= 1666.67 hoursTherefore, the MTTF of the six non-replaceable electrical lamps is 1666.67 hours.

To know  more about Failure visit:

https://brainly.com/question/32870226

#SPJ11

Answer:

increases your heart rate

Explanation:

Warming up increases your heart rate and therefore your blood flow which enables more oxygen to reach your muscles.

Explanation:

work done is equals to force into displacement in the direction of force

Ans: D

Answer:

I think its the second law..

Explanation:

Answer:

its the second law.

hope this helps! :)

The correct option is A) deviations in the motion of the planet Uranus in the sky

In the late 18th and early 19th centuries, astronomers noticed irregularities in the motion of the planet Uranus as predicted by Newton's theory of gravity. Uranus was observed to deviate from its expected path, which suggested that there might be some gravitational influence from an unknown celestial body. These deviations could not be explained solely by the gravitational pull from the known planets in the solar system.

This led astronomers to hypothesize the existence of an additional planet beyond Uranus that was affecting its motion. Eventually, based on these observations, the planet Neptune was discovered in 1846. The discovery of Neptune validated the notion that there were limitations to Newton's theory of gravity, as it could not fully account for the observed deviations in Uranus' orbit.

This observation of the discrepancies in Uranus' motion served as one of the first indications that there might be some incomplete understanding or missing factor in Newton's theory of gravity. It played a significant role in motivating further investigations and advancements in the field of physics, eventually leading to the development of Albert Einstein's general theory of relativity, which provided a more comprehensive explanation of gravity.

To know more about gravity refer here

https://brainly.com/question/31321801#

#SPJ11

Answer:

2-3-1-4

Explanation:

First you will need an energy source so 2 is the first step.

Then the lead and lead oxide are reformed during re-charge so 3 is the second step.

The battery is back in operation when Lead dissolves in acid so 1 is the third step.

Battery produces electrons so 4 is the final step.