when you look at a single slit diffraction pattern produced on a screen by light of a single wavelength, you see a bright central maximum and a number of maxima on either side, their intensity decreasing with distance from the central maximum. if the wavelength of the light is increased:_____.

The object that will take the greatest amount of force to change its direction is the object having a mass of 162 kg and moving with a velocity of 124 m/sec.

Option D is correct

A force is described as an influence that can change the motion of an object causing an object with mass to change its velocity, i.e., to accelerate.

If the object has to come to a stop, the final velocity must be zero.

If we have the time to be constant, the amount of force only depends on the mass and the velocity at which the body is moving.

The amount of force on the object depends on the momentum of the body.

The momentum of the body is;

P = mv

Object D will require the greatest amount of force to change its motion. Because the momentum of the body for option D is the greatest.

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Complete question:

Which object will take the greatest amount of force to change its direction

A. A 148 kg object moving 131 m/s

B. A 153 kg object moving 127 m/s

C. A 160 kg object moving 126 m/s

O D. A 162 kg object moving 124 m/s

Answer: 325 meters per minute

Explanation:

300+350=650 meters in 2 minutes.

650/2=325 meters per minute

You travel 300 meters North, then head back 350 meters South in 2

minutes the average speed is 475 meters per second (m/s).

The speed is the rate of change of position of an object in the given time of interval of time or per unit of the time and the unit will be meter per second and it is the ratio of distance traveled by the object to the time.

To calculate the average speed add the total given distance traveled and divide  it by the time here, distances are 300 meters and 350 meters  total time is 2 minutes so, the average speed is,

           average speed = total distance / total time

substituting the value in the formula,

           average speed = 300 meters + 350 meters / 2 minutes

           average speed = 475 meters per second (m/s).

Therefore, the average speed is 475 meters per second (m/s), if You travel 300 meters North, then head back 350 meters South in 2

minutes.

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N-o-t t-h-e y-o-l-k.

Answer:

Explanation:

180mile/hour

Answer:

P = 5880  J

Explanation:

Given that,

The mass of the block, m = 30 kg

The block is sitting at a height of 20 m.

The block will have gravitational potential energy. The formula for gravitational potential energy is given by :

\(P=mgh\\\\=30\times 9.8\times 20\\\\=5880\ J\)

So, the required potential energy is equal to 5880  J.

If a mountain goat starts a rock slide and the rocks crash down the slope 100 m. If the rocks reach the bottom in 5 s, then the acceleration of the rock would be 8 meters/second².

The rate of change of the velocity with respect to time is known as the acceleration of the object.

As given in the problem a mountain goat starts a rock slide and the rocks crash down the slope 100 m. If the rocks reach the bottom in 5 s,

initial velocity of rock = 0 m/s

displacement = 100 meters

time = 5 seconds

s = ut + 0.5at²

100 = 0 + 12.5a

a = 100/12.5

  = 8 meters/second²

Thus, the acceleration of the rock would be 8 meters/second².

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No net force acts on a loop of wire in a magnetic field when the net charge in the loop is zero.

The current in the loop is defined as the flow of electrons in the loop.

The electrons are affected by the magnetic field of a magnet, which causes them to move in a circular path around the magnet.

To comprehend this concept more accurately, one must comprehend the properties of magnets and magnetic fields.

.A magnet is a material that produces a magnetic field around itself. It has two poles, north and south, and the magnetic field travels from the north to the south pole.

Magnetic fields have both strength and direction.

Magnetic fields are represented by magnetic lines of force, which travel from the north pole to the south pole of a magnet or from the south pole to the north pole of a magnet.

The direction of the magnetic field is determined by the direction of the current in the wire coil, according to the right-hand thumb rule.

So, the net force acting on a loop of wire in a magnetic field is zero when the net charge in the loop is zero.

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The maximum height travelled by the ball before returning to the ground is 8.62 m.

The maximum height travelled by the ball before returning to the ground is calculated by applying the following kinematic equation as shown below.

H = (u²sin²θ) / 2g

where;

H = (26² (sin 30)²) / (2 x 9.8)

H = 8.62 m

Thus, the maximum height travelled by a projectile depends on the initial velocity and angle of projection.

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Answer:

Time = 12.27seconds

Explanation:

Given

Speed = 25miles/hour

Distance = 150 yards = 150(0.000568182)miles

Distance (in miles) = 0.0852273miles

Get the time

Speed = Distance/Time

Time = Distance/Speed

Time = 0.0852273/25

Time = 0.0034hours

Time = 0.0034 * 3600secs

Time = 12.27seconds

Answer:

With regards to NASA's ambition to send humans to Mars, is an encouraging idea.  Also, the aim of sending food supply by unmanned spacecraft before the 2030 project though noble is filled with constraints and design problems.

For the constraints,

1. The spacecraft could be lost on the space before it reaches its destination being Mars. This is because, lack of communication between the control unit on earth and the spacecraft signify it being lost forever.

2. The food supply is bound to spoil on Mars since it would be stored unrefrigerated. This is as a result of the actions of the micro organisms acting on them.

For the criteria for the engineering design problem:

1. The distance between earth and Mars is very far

2. Not factoring in the preservation method into the unmanned aircraft.

Explanation:

To find the absolute value of the charge density in the wire, we can use the formula:

The diameter of the wire is given as 1.628 mm, so the radius is half of that:

Next, we can calculate the charge density using the given current value:

The diameter of a circle, in geometry, is the straight line segment that passes through the center and connects any two points on the circle, or, in modern usage, diameter means the length of the line segment. For example, if the radius of a circle is 4 cm, then the diameter is 4 cm x 2, or 8 cm. If the circumference is known, divide by π to get the diameter. The diameter is the unit of measurement on the circle, the diameter itself is the straight line that connects the two outermost points of the circle and passes through the center of the circle.

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Answer:

B. The law of conservation of energy

Explanation:

The law of conservation of energy states that energy can neither be created or destroyed which means that a perpetual motion machine, which creates its own power and energy, cannot be true since energy cannot be created.

Answer:

When a polythene rod is rubbed with a duster, the friction causes electrons to gain energy. Electrons gain enough energy to leave the atom and 'rub off' onto the polythene rod. The polythene rod has gained electrons, giving it a negative charge.

Explanation:

Hope it helps

B. Surface. The term "surface" describes the element that surrounds form. In the context of design and visual arts, form refers to the three-dimensional shape or structure of an object.

It has volume, mass, and occupies space. The surface of an object is the outermost layer or boundary that encloses the form.

While all the options listed are relevant elements in design and visual arts, the term "surface" specifically relates to the outer covering or boundary of an object. It defines the texture, color, pattern, and other visual or tactile characteristics of the object's outer layer.

A. Space refers to the area or volume within or around objects.

C. Pattern relates to the repetition or arrangement of visual elements.

D. Shape refers to the two-dimensional outline or contour of an object.

Therefore, the most appropriate answer is B. Surface.

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Answer:

Explanation:

Given:

F = 300 N

p = 20 N/m²

__________

A - ?

Valid for the area A:

A = F / p

A = 300 / 20 = 15 m²

The average drift velocity of the electrons is  is approximately 6.25 x 10^6 m/s.

To find find the average drift velocity of the electrons, we have to make use of the drift velocity formula. The drift velocity formula is used to relate the average drift velocity of charge carriers in a conductor to the applied electric field. It is used to understand the motion of electrons when an electric current is flowing.

The drift velocity formula is:

\(I = nAvq\)

Where:

I is the current (in Amperes),

n is the density of charge carriers,

A is the cross-sectional area of the wire,

v is the average drift velocity of electrons,

q is the charge of an electron.

In this case, we have been given current as 10A, cross-sectional area of the wire is 1mm². The density of charge carriers in the wire is 1027/m³. So, by substituting all the given identities in the equation and rearranging the equation to find out "v", we get:

\(v = I / (nAq)\)

\(v = (10 A) / ((10^{27} /m^{3} ) * (1 * 10^{-6} m^{2}) * (1.6 * 10^{-19} C))\)

\(v = (10 A) / (1.6 * 10^{-12} A * m^{2} * C * 10^{27} /m^{3} )\)

\(v = 6.25 * 10^{6} m/s\)

Therefore, the average drift velocity of electrons in the wire is approximately 6.25 x 10^6 m/s.

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Answer:

Average drift velocity of the electrons is Approx. 6.25*10^6 m/s.

Given, Current= 10A

Cross sectional area = 1mm^2

Density of charge= 1027/m^3

Formula to find velocity= I/(nAq)

= 10/(1027*1*10^-6*1.6*10^-19)

=6.25*10^6m/s

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If the isotope has a half-life of 1150 years, this means that every 1150 years the amount of the isotope is halved. After one half-life, the amount is reduced to 1/2, after two half-lives it is reduced to 1/4, after three half-lives it is reduced to 1/8, and so on.

To determine how many years are required for the isotope to decay to 25% of its original amount, we need to determine how many half-lives it takes to get from 100% to 25%.

25% is the same as 1/4, so we need to determine how many times we need to halve the original amount to get to 1/4.

1/4 = (1/2)^n, where n is the number of half-lives

Solving for n:

n = log(1/4) / log(1/2)

n = 2

This means that it takes two half-lives for the isotope to decay to 25% of its original amount.

Since the half-life is approximately 1150 years, the time required for two half-lives is approximately:

2 x 1150 years = 2300 years

Therefore, it would take approximately 2300 years for a given amount of this isotope to decay to 25% of that amount.

Answer:

The length of the incline is 3.504 meters.

Explanation:

Let suppose that Julietta's ball decelerates uniformly, then we determine the length of the incline is determined by the following equation of motion:

\(\Delta s = v_{o}\cdot t +\frac{1}{2}\cdot a \cdot t^{2}\) (Eq. 1)

Where:

\(\Delta s\) - Length of the incline, measured in meters.

\(v_{o}\) - Initial speed of the ball, measured in meters per second.

\(a\) - Aceleration of the ball, measured in meters per square second.

\(t\) - Time, measured in second.

If we know that \(v_{o} = 2.95\,\frac{m}{s}\), \(t = 1.54\,s\) and \(a = -0.876\,\frac{m}{s^{2}}\), then the length of the incline is:

\(\Delta s = \left(2.95\,\frac{m}{s} \right)\cdot (1.54\,s)+\frac{1}{2}\cdot \left(-0.876\,\frac{m}{s^{2}} \right) \cdot (1.54\,s)^{2}\)

\(\Delta s = 3.504\,m\)

The length of the incline is 3.504 meters.

Answer:

Light or visible light is electromagnetic radiation within the portion of the electromagnetic spectrum that is perceived by the human eye. Visible light is usually defined as having wavelengths in the range of 400–700 nanometres, between the infrared and the ultraviolet.

Here are the 7 from shortest to longest wavelength.

Violet - shortest wavelength, around 400-420 nanometers with highest frequency.  

Indigo - 420 - 440 nm.

Blue - 440 - 490 nm.

Green - 490 - 570 nm.

Yellow - 570 - 585 nm.

Orange - 585 - 620 nm.

Red - longest wavelength, at around 620 - 780 nanometers with lowest frequency.

Explanation:

The speed at which the driver must drive for the remaining time to complete the trip in the usual time is 61.25 miles per hour.

The total distance the driver should cover is 500 miles and this should be completed in 9 hours.

Based on the information provided, the regular speed is:

However, we know today he has covered 110 miles and he is 20 minutes late. This means, there are 390 miles to cover and the remaining time is 6.7 hours.

Based on this, let's calculate the new speed:

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Select all the cases for which the toy car will increase its instantaneous speed. Here are the options:

1. The velocity of the car is negative and the acceleration of the car is positive.
2. The velocity of the car is negative and the acceleration of the car is negative.
3. The velocity of the car is positive and the acceleration of the car is negative.
4. The velocity of the car is positive and the acceleration of the car is positive.

The toy car will increase its instantaneous speed in the following cases:

1. The velocity of the car is negative and the acceleration of the car is positive: In this case, the car is moving in the negative direction (backward), but the acceleration is acting in the positive direction (forward), which slows down the car's negative movement, ultimately increasing its speed (speed is a scalar quantity and is always positive).

4. The velocity of the car is positive and the acceleration of the car is positive: In this case, both the car's movement (velocity) and the force acting on it (acceleration) are in the same direction, which causes the car to increase its speed in the positive direction.

So, the toy car will increase its instantaneous speed in cases 1 and 4.

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Answer:

c

Explanation:

i think

Answer: B

Explanation:

calcium (ca) is most likely to be shiny

Among all the options, the element which is most likely to be shiny is calcium. Hence, option C is correct.

A pure material made entirely of one species of atoms, or a chemical element, has a specific number of protons in its nucleus. Chemical elements, in contrast to compounds, can indeed be subdivided into less complex molecules through any chemical process.

The distinguishing characteristic of an element is the number of protons in the nucleus, which is known as its atomic number; all atoms with the same atomic number are the same element's atoms.

The majority of the universe's baryons mass is made up of chemical components (among rare exceptions are neutron stars). Atoms are reorganized into new compounds, bound together through chemical bonds during chemical reactions between various elements.

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Answer:

14.6 m (meters)

Explanation:

When working with time, and speed.

Use d = st, since s = d/t (just rearanging the formula for speed). d is for distance, t is for time, and s is for speed (velocity with no direction).

To solve for the distance just multiply the rate of speed by the time to get distance.

Given .73m/s is the speed, and 20s is the time.

d = st

d = .73 m/s × 20s

d = .73m × 20

d = 14.6 m

Answer:

Force is useful to us because it changes or tries to change the positionof a body, it helps to change the direction of a moving object , it helps to change the speedof a moving body etc.

I hope this will help you

Answer:

About 22 hours in flight time.

Explanation:

It wouldn't give me the walking time.

Hope I helped ya.

< Sarah >

Answer:

Hmm idk u was tryna take the trip or sum

Explanation:

The potential energy of the person mass 95 Kg sitting on top of a slid 3 m high is 2795.85 J

The following data were obtained from the question:

The potential energy of the person can be obtained as follow:

PE = mgh

Inputting the given parameters, we have:

= 95 × 9.81 × 3

= 2795.85 J

Thus, the  potential energy of the person is 2795.85 J

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