A proton moving at 3.90 106 m/s through a magnetic field of magnitude 1.72 T experiences a magnetic force of magnitude 8.00 10-13 N. What is the angle between the proton's velocity and the field

A electric motor is a device that uses electricity and magnetisim to create motion

A box is being dragged across the floor at a constant speed by a rope pulling horizontally on it. friction is not negligible. Weight (W), the normal force( N), and the tension force( T )in the string will all be forces operating on the box.

The force transmitted through a rope, string, or wire while opposing forces pull it is referred to as the tension force.

Energy is drawn equally from both ends by the tension force, which is exerted along the entire length of the wire.

A box is being dragged across the floor at a constant speed by a horizontally pulling rope. Friction has a big impact.

As a result, the weight W, normal force N, and tension force T in the string will all be acting on the box.

Your question is incomplete but most probably your full question was

A box is being dragged across the floor at a constant speed by a rope pulling horizontally on it. friction is not negligible. identify all the forces acting on the box.

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Answer:B

Explanation:

The force of gravitation depends on the mass of the object. As the mass increases, the speed of the falling object also increases because it experience more gravitational pull from earth. Thus, option D is correct.

Gravitational force is a kind of force by which an object attracts other objects into its center of mass. We are all standing on the ground because of the gravitational pull of earth.

Gravitational force is directly proportional to the mass of the objects and inversely proportional to the distance from the surface. Therefore, the force exerted by earth on massive body is greater than that on a light body.

Here, the ball with greater  mass hit the ground with less time compared to the one with less mass. Hence, the mass becomes a factor  affecting the speed of a falling object when the object is dropped a great distance from the surface of the earth. Thus, the massive body will be pulled more by earth.

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The resultant displacement of the bullet is  1,418.6 m.

The resultant displacement of the bullet is the total displacement of the bullet obtained by resolving the displacement into x and y component.

the horizontal component of the displacement (x)  = d cosθ

the vertical component of the displacement (y) = d sinθ

where;

For the first displacement;

x = 850 m x cos(0) = 850 m

y = 850 m x sin(0) = 0

For the second displacement;

x = 640 m  x   cos(36) = 517.8 m

y = 640 m  x  sin(36) = 376.2 m

Net horizontal and vertical displacement;

∑x = 850 m  +   517.8 m   = 1,367.8 m

∑y = 376.2 m + 0 = 376.2 m

The resultant displacement of the bullet is calculated as;

d = √(∑x² + ∑y²)

d = √(1,367.8²   +    376.2²)

d = 1,418.6 m

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Answer:

4

Explanation:

because 20/5  is 4, which means that suzie's acceleration is 4. Hope I helped

Answer:

.3m

Explanation:

Apex

0.3 is right i just got it right on the test for A P E X :D

Answer: 5 meters per second (5mps)

Explanation:

Simply take 50 and divide it by 10

\(\frac{50}{10} =5\)

The moment of inertia about the rotation axis for the given playground toy, with two children sitting opposite each other, is approximately 145.35 kg·m².

To determine the moment of inertia about the rotation axis for the given playground toy, we need to consider the contributions from the seats and the two children.

Given:

Mass of each seat = 6.4 kg

Length of the rods (r) = 1.5 m

Mass of the first child (m₁)= 16 kg

Mass of the second child (m₂) = 23 kg

The moment of inertia of each seat can be calculated using the formula for the moment of inertia of a point mass about an axis:

\(I_{seat} = m_{seat times} r^2\)

For each seat, the moment of inertia is:

\(I_{seat} = 6.4 kg times (1.5 m)^2= 14.4 kg\cdot m^2\)

Now, to calculate the moment of inertia contributed by the children, we need to consider that the children are located opposite each other. Assuming the axis of rotation passes through the center of mass of the children-seats system, the moment of inertia for each child is:

\(I_{child} = m_{child times} r^2\)

For the first child (m₁):

\(I_1 = 16 kg times (1.5 m)^2 = 36 kgm^2\)

For the second child (m₂):

\(I_2 = 23 kg times (1.5 m)^2 = 51.75 kgm^2\)

Finally, we can calculate the total moment of inertia by summing the contributions from the seats and the children:

Total moment of inertia =\(4 times I_{seat} + I_1 + I_2\)

= \(4 times (14.4 kgm^2) + 36 kgm^2 + 51.75 kgm^2\)

= \(57.6 kgm^2 + 36 kgm^2 + 51.75 kgm^2\)

= \(145.35 kgm^2\)

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Answer:

No.

Explanation:

No, increasing the frequency of a wave will not increase it's wavelength. Rather it will decrease the wavelength because frequency and wavelength are inversely related.

According to Formula:

v = f(lemda)

If the speed is kept constant to find the relationship between f and wavelength.

=> f is inversely propotional to wavelength.

Hope this helps!

Have a great day!

Answer:

V = ω A sin ω t       can be used to describe SHM

When sin ω t = 1 (the maximum value possible)

V = ω A          at equilibrium sin ω t = 1

Safety symbols, danger symbols, or safety labels are graphical symbols that warn of or indicate hazards linked with an area or object. Images, pictograms, forms, words, phrases, sentences, or statements placed on walls, boards, buildings, doors, entrances, machinery, equipment, tools, transportation, roadways, or any other visible location are examples of safety symbols. The symbol alerts people to the presence of hazardous products or substances, as well as a hazardous environment, and warns them on how to stay safe or the potential repercussions if not avoided.

The given symbol means hammer.

A hammer is a hand tool that consists of a weighted "head" attached to a long handle and swung to produce an impact to a limited region of an item. This may be used to drive nails into wood, shape metal, or crush rock.

While all of these hammers have a round head for driving nails, the claw end may be used for prying, splitting wood, ripping drywall, and other minor demolition chores. A claw hammer's claw is curved, whereas a framing hammer's claw is straight. These hammers are ideal for the following tasks: woodworking

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Answer:

Test multiple times

Explanation:

the more you test the experiment the better and more accurate result you will have also having a good setup or organized data will help with making it easier to execute the experiment.

If both the masses and distances between two planets are doubled, the force between them will be four times as much as the original force. The force of gravitational attraction between two objects depends on the masses of the objects and the distance between them.

The force of gravitational attraction between two objects can be calculated using the formula F = G * (m1 * m2) / r^2, where F is the force, G is the gravitational constant, m1 and m2 are the masses of the two objects, and r is the distance between them.

If both the masses and distances are doubled, the new force can be calculated by substituting the new values into the formula. Doubling the masses will result in a factor of 2 * 2 = 4 in the numerator, while doubling the distance will result in a factor of (1/2) * (1/2) = 1/4 in the denominator.

Combining these factors, the new force will be (4 * F) / (1/4) = 16 * F, which is four times the original force. Therefore, when both the masses and distances between two planets are doubled, the force between them is four times as much as the original force.

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Answer:

It changes from Red to Blue

Blue wavelengths are shorter and more energetic than Red wavelengths.

Visible light ranges from about 400 mu to about 700 mu.

400 millimicrons is in the blue end of the spectrum

700 millimicrons is in the red end of the spectrum

The average velocity of the car traveling south and later returned to the starting point is 0.

Average velocity is defined as the change in displacement per change in the time of motion.

Average velocity is calculated as follows;

\(v = \frac{\Delta x}{\Delta t} = \frac{x_2 - x_1}{t}\)

Let the initial displacement of the car, x₁ = 20 m

Let the final displacement of the car, x₂ = 20 m (since the car returned to the starting point).

The average velocity is calculated as;

\(v = \frac{x_2 - x_1}{t} = \frac{20 - 20}{5} = 0\)

Thus, the average velocity of the car traveling south and later returned to the starting point is 0.

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Answer:

Hiii

The answer should be B)The same matter is recycled over and over.

Answer:

Clockwise

Explanation:

All of the planets rotate the same way around the sun.

The thymocyte developmental checkpoint that tests the functionality of the recombined beta chain of the pre-T cell receptor (pre-TCR) is called Beta selection.

During T cell development in the thymus, thymocytes undergo several checkpoints to ensure proper maturation and functionality. Beta selection is one such checkpoint that occurs at the double-negative stage of thymocyte development. At this stage, the recombined beta chain of the pre-TCR is tested for its functionality.

The pre-TCR, composed of the beta chain and a surrogate alpha chain, plays a crucial role in thymocyte development and selection. Beta selection specifically assesses the ability of the recombined beta chain to pair with the surrogate alpha chain and form a functional pre-TCR complex.

If the recombined beta chain is functional and capable of pairing with the surrogate alpha chain, signaling through the pre-TCR occurs, leading to positive selection. Positive selection allows thymocytes with functional pre-TCRs to survive and progress further in development.

On the other hand, if the recombined beta chain is non-functional or unable to properly pair with the surrogate alpha chain, signaling through the pre-TCR does not occur, resulting in negative selection. Thymocytes that fail the beta selection checkpoint are eliminated through apoptosis.

In summary, the beta selection checkpoint in thymocyte development is responsible for testing the functionality of the recombined beta chain of the pre-TCR. It determines whether thymocytes progress through positive selection or undergo negative selection based on the ability of the recombined beta chain to form a functional pre-TCR complex.

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Explanation:

Sure, I'd be happy to help you come up with ideas for your Alien Project! Here are a few suggestions:

Design your own alien: Draw or create a model of an alien and include details such as its habitat, physical characteristics, and any special abilities or behaviors it may have.

Alien life cycle: Create a diagram or model of an alien's life cycle, including details such as reproduction, growth, and development.

Alien adaptation: Research different adaptations that animals on Earth have to survive in extreme environments, such as the ability to withstand extreme heat or cold. Use this information to design an alien that has adapted to a similar extreme environment.

Communication with aliens: Research different methods that scientists use to communicate with potential alien life and create a hypothetical conversation between humans and aliens.

Alien ecosystem: Imagine an alien planet with its own unique ecosystem. Draw or create a model of the different organisms that would exist in this ecosystem and explain how they interact with each other.

Alien technology: Imagine what kinds of technology an advanced alien civilization might possess. Create a drawing or model of this technology and explain how it works.

These are just a few ideas to get you started! Remember to have fun with your project and let your imagination run wild. Good luck!

The average person's vertical jump on the Moon would be 0.65 m.

The gravitational acceleration near the surface of the Moon is 1.62 m/s2, which is about one sixth the gravitational acceleration on Earth.

As a result, an average person's vertical jump on the Moon would be less than on Earth.

To calculate the vertical jump on the Moon, we need to use the formula h = 1/2 x g x t2.

This equation is used to calculate the height h (in meters) that an object will reach when thrown into the air, given the gravitational acceleration g (in m/s2) and the time t (in seconds) it takes to reach the peak of the jump.

Since the gravitational acceleration on the Moon is 1.62 m/s2, and the time taken to reach the peak of the jump is the same (assume 0.5 s), then h = 0.5 x 1.62 x (0.5)2, which is 0.65 m.

Therefore, an average person's vertical jump on the Moon would be 0.65 m.

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Answer: English

. mathematician

. physicist

. astronomer

. theologian

. author

Explanation:

Take the points, Im leaving Brainly..​ Why?!

\(\huge\bf\maltese{\underline{\red{Thanks}}}\maltese\)

The specific heat capacity of the substance is 444 J/kg.°C.

The specific heat capacity is defined as the quantity of heat (J) absorbed per unit mass (kg) of the material when its temperature increases 1 K (or 1 °C).

To calculate the specific heat capacity of the substance, we use the formula below

Formula:

Where:

From the question,

Given:

Substitute these values into equation 1

Hence, the specific heat capacity is 444 J/kg.°C.

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Answer:

Explanation:

5 C = 278 K

25 C = 298 K

V1 / T1 = V2 / T2

1.5L / 278 K = V2 / 298 K

V2 = (1.5L * 298) / 278

V2 = 1.61 L

The age of the cloth material is obtained from the calculation as  1843 years .

We know that the half life of a radioactive isotope refers to the time that is taken for only half of the number of the original radioactive isotopes that are present to remain in the sample.

We can be able to obtain the age of the cloth by looking at the amount of the radioactive carbon -14 that is still left in the sample. How do we do that? We have to turn to a formula that says;

0.693/\(t_{\frac{1}{2} }\) = 2.303/tlog (Ao/A)

\(t_{\frac{1}{2} }\) = half life of the material

t = age of the material

Ao = amount initially present

A = Amount present at time t

Then we have;

0.693/5730 = 2.303/tlog (Ao/0.8Ao)

1.21 * 10^-4 = 0.223/t

t = 0.223/1.21 * 10^-4

t = 1843 years

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Answer:

Ions are formed by the addition of electrons to, or the removal of electrons from, neutral atoms or molecules or other ions; by combination of ions with other particles; or by rupture of a covalent bond between two atoms in such a way that both of the electrons of the bond are left in association with one of the ..

Answer:

Ions are formed when atoms lose or gain electrons, simply when electrons from the metal transfers electrons from its outermost shell( forming a positively charged metallic ion) to the outermost shell of the non-metallic atom( forming a negatively charged ion)

By using this formula =Diameter = Diameter = Known Field Diameter × (Known Magnification / Unknown Magnification)
, you can calculate the diameter of an unknown microscope field, allowing you to estimate the size of the objects you're observing under different magnification levels.

.To calculate the diameter of an unknown microscope field, you can use the formula:

Unknown Field Diameter = Known Field Diameter × (Known Magnification / Unknown Magnification)

Here's a step-by-step explanation of the formula:

1. Determine the known field diameter: This is the diameter of the field of view under a certain magnification, which is usually provided by the microscope manufacturer or can be measured experimentally.

2. Determine the known magnification: This is the magnification level at which the known field diameter was measured.

3. Determine the unknown magnification: This is the magnification level at which you want to calculate the unknown field diameter.

4. Plug the values into the formula and solve for the unknown field diameter.

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The box accelerates down the incline at 2.4m/s^2.

A mass m particle will slide down a smooth inclined plane if it is released onto it with a friction force F=0. We resolve in the direction of motion to determine the particle's acceleration as it slides. F = ma, mg cos(90) = ma, gg cos(90) = a, gg sin() = a.

By using zigmaFx = max, we will determine the acceleration.

However, we must first determine the friction force Ff.

Because cos 30 degree = 0.866 and Fy = ma y = 0 result in FN - 0.87mg = 0, we may calculate FN as (0.87)(20Kg)(9.81 m/s2) = 171N.

From Ff = mue FN = 0.30)(171 N)= 51N, we can now calculate Ff.

We get Ff - 0.50mg = ma x 51N - (0.50)(20)(9.81)N = (20kg)(ax) from the expression zigmaFx = max, where ax = -2.35 m/s2.

At 2.4 m/s2, the box quickens its descent of the hill.

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The rate of diffusion is directly related to concentration, temperature, and pressure meaning that an increase in concentration, temperature, or pressure results in an increase in the rate of diffusion.

This is because diffusion is a process where particles move from an area of high concentration to an area of low concentration, driven by a concentration gradient. As the concentration gradient increases, more particles move from the high concentration area to the low concentration area, resulting in a faster rate of diffusion.

Temperature also affects the rate of diffusion because it affects the kinetic energy of the particles. At higher temperatures, particles have more kinetic energy and move faster, leading to a higher rate of diffusion.

Pressure affects the rate of diffusion because it affects the concentration gradient. An increase in pressure can compress the gas and increase the concentration gradient, resulting in a higher rate of diffusion.

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