A 4.0-cm-tall object is placed 50.0 cm from a diverging lens having a focal length of magnitude 25.0 cm. What is the nature and location of the image? A real image, 1.3 cm tall, 16.7 cm same side as the object A virtual image. 1.3 cm tall, 16.7 cm same side as the object A real image, 4.0 cm tall, 20 cm other side of the object A virtual image, 4.0 cm tall, 20 cm other side of the object A virtual image, 2.0 cm tall, 10 cm other side of the object

Answer:

homboy it Position

Explanation:

Answer: i think position

Explanation:just thinking

Answer:

The answer is 4

Explanation:

The direction angle—or direction, for short—is the angle the vector forms with the positive direction on the x-axis. The angle θA is measured in the counterclockwise direction from the +x-axis to the vector ((Figure))

Answer:

→ Mass is the lightness or heaviness of a body that is free from any force field.

→ Mass is the volume of a body multiplied by its density.

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The beetle's actual distance beneath the surface is 1.70 cm.

The given information states that the beetle appears to be 1.70 cm within the plastic. This means that the beetle is located at a distance of 1.70 cm from the outer surface of the cube of polystyrene plastic. However, the actual distance of the beetle beneath the surface is also 1.70 cm since it is embedded within the cube.

The phrase "appears to be" suggests that the observation of the beetle's position within the plastic is deceiving. The beetle is not deeper or closer to the surface than the given measurement. Therefore, the beetle's true depth beneath the surface is equivalent to the stated distance of 1.70 cm.

Distances and interpreting spatial relationships within objects like the embedded beetle.

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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:

Answer: B

Explanation:

The y component of the vector is given by the formula:

y component = magnitude of the vector x sin(angle between the vector and the y-axis)

In this case, the magnitude of the vector is 120 N and the angle between the vector and the y-axis is 50 degrees. So we have:

y component = 120 N x sin(50°) ≈ 92 N

Therefore, the answer is (B) 92 N.

Answer i know they both exhibit the doppler effect, so i believe it is this one.

Explanation:

The x-coordinate of the center of mass of the uneaten pizza above the x-axis is -1.5 in.

The x-coordinate of the center of mass of the uneaten pizza above the x-axis (second quadrant) can be found by taking the average of the x-coordinates of the points in that quadrant.

To find the x-coordinate of the center of mass, we need to determine the average x-coordinate of the uneaten pizza in the second quadrant.

In the given scenario, the center of mass of the partially eaten pizza is located at Xcm = -1.5 in. This means that the uneaten pizza in the second quadrant is symmetric with respect to the y-axis.

Since the uneaten pizza is symmetrical, the x-coordinate of the center of mass of the uneaten portion above the x-axis will also be -1.5 in. This is because the uneaten portion is evenly distributed in the second quadrant, resulting in an equal distribution of mass on both sides of the y-axis.

Therefore, the x-coordinate of the center of mass of the uneaten pizza above the x-axis is -1.5 in.

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The complete question is:

The location of the center of mass of the partially eaten, 12-inch diameter pizza shown in the figure (Figure 1) is Xcm = - 1.5 in

and Ycm = -1.5 in . Assuming each quadrant of the pizza to be the same, find the center of mass of the uneaten pizza above the x axis (that is, the portion of the pizza in the second quadrant). Find the x-coordinate.

Answer:

100 meters

Explanation:

the displacement is the distance from which it started, so if it falls 100 meters, then it has a 100 meter displacement

Fusion reactions would be much less likely to occur, and the process of creating energy from fusion would be much more difficult to achieve.

If the maximum distance between two protons (and other nuclei) such that they fuse together were considerably higher than the actually required distances, then fusion reactions would not occur as frequently or efficiently. Fusion occurs when two nuclei come close enough together for the strong nuclear force to overcome the electrostatic repulsion between positively charged protons. If the required distance for fusion was much greater, it would be much more difficult for the nuclei to overcome this repulsion and approach each other close enough to fuse. As a result, fusion reactions would be much less likely to occur, and the process of creating energy from fusion would be much more difficult to achieve.

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What is recycling ?

Recycling is the process of taking materials that are no longer used and converting them into new materials or products. This process helps to reduce waste and conserve resources, as well as reduce the amount of energy needed to create new materials. Recycling is beneficial for the environment because it reduces the need for raw materials, which are often sourced from forests, and helps to reduce greenhouse gas emissions. It also helps to reduce the amount of waste that is sent to landfills, which can be a source of pollution.

Recycling materials include:

• Paper

• Glass

• Plastic

• Aluminum

• Steel

• Cardboard

• Electronics

• Tires

• Batteries

• Organic waste

• Textiles

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Answer:

the kinetic energy lost due to friction is 22.5 J

Explanation:

Given;

mass of the block, m = 0.2 kg

initial velocity of the block, u = 25 m/s

final velocity of the block, v = 20 m/s

The kinetic energy lost due to friction is calculated as;

\(\Delta K.E= K.E_f - K.E_i\\\\\Delta K.E= \frac{1}{2}mv^2 - \frac{1}{2}mu^2\\\\\Delta K.E= \frac{1}{2}m(v^2 -u^2)\\\\\Delta K.E= \frac{1}{2} \times 0.2 (20^2 - 25^2)\\\\\Delta K.E= -22.5 \ J\)

Therefore, the kinetic energy lost due to friction is 22.5 J

Answer:

22.5 J

Explanation:

It loses the difference in kinetic energy between the starting and ending speeds and that is (1/2)(M)(V1)^2 - (1/2)(M)(V2)^2 = (1/2)(M)((V1)^2 -(V2)^2) = (1/2)(0.2 kg)((25)^2 - (20)^2) = 22.5 Joules.

Answer:

12

Explanation:

600/50 is 12 so the answer is twelve

Answer:

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rolling of a ball uses motion his bushy we I his own shaken his known fish of his jus on

Answer:

Joules

Explanation:

The unit for Energy is Joules, which is equal to kg m²/s².

The gravitational potential energy is calculated as:

Where m is mass (kg), g is gravity (m/s²) and h is the height (m). So, the unit of the potential energy is:

Therefore, the answer is joules.

Answer:

F = I L B     describes the perpendicular force on a wire of length L in a uniform field B

B = F / (I L) = 1.2 / (9 * 2.5) = .053 Tesla

Answer:

If the body temperature falls below this temperature then enzymes will work too slowly for body process to occur fast enough the keep the mammal alive.

Explanation:

When the electrons in a certain material have a full band of possible energies, the material is a semiconductor.

A semiconductor is a material with specific electrical properties that allow it to be used as the foundation for computers and other electronic devices. It is typically a solid chemical element or compound that conducts electricity only under certain conditions.

If the valence band is completely full and the conduction band is completely empty, electrons cannot move within the solid because there are no available states, and no current generation occurs because there is no net charge carrier mobility. The semiconducting material is represented by an energy gap of 1.1 eV.

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The magnitude is 17.57N/C

The direction angle of the electric field is 240.24 degrees

V = 5x2y - 8xy2

The electric field is given by a negative gradient of potential=

> E = -(10xy -8y^2)i – (5x^2 – 16xy) j=> Ē = (8y^2 – 10.xy)i + (16xy – 5x^2)j

PART A :x = 2.50 m , y = 0.40 m=>

Ē = (8*(0.4)^2 – 10 * 2.50 * 0.40)i + (16 * 2.50 * 0.40 – 5* (2.5)^2);=> Ē = (-8.72i - 15.25j)

N/CMagnitude :E = \(\sqrt{(-8.72i - 15.25j)^2 }\)

Answer : Value : 17.57Unit: N/C

PART B :

If the counter-clockwise angle that the electric field makes with the positive x-axis is θ,

tanθ= \(\frac{-15.25}{-8.72} = \frac{15.25}{8.72}= 240.24\)

Answer : 240.24 degrees

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Answer:

CL2+H2O----------->2HCL+[0]

Answer:

When one object exerts a force on another object, the second object exerts the same size force on the first object

Explanation:

Answer:

140m 13 degree

Explanation:

yan po thank nalang po sa point

Answer:

28 cm and 32 cm

Explanation:

1. The spring pendulum hangs vertically, oscillates harmonic with amplitude 2cm and angular frequency 20 rad/s. The natural length of

a spring is 30cm. What is the minimum and maximum length of the spring during the oscillation? Take g = 10m/s2.

As the amplitude is 2 cm and the natural length is 30 cm. So, it oscillates between 30 -2 = 28 cm to 30 + 2 = 32 cm.

So, the minimum length is 28 cm and the maximum length is 32 cm.

Answer/Explanation:

In chemistry, concentration is the abundance of a constituent divided by the total volume of a mixture. Several types of mathematical description can be distinguished: mass concentration, molar concentration, number concentration, and volume concentration.

A concentration refers to a subject or study within a specific major. As part of the degree coursework, concentration classes count toward your major requirements as well.

True, the reverberation time of a room can be increased by covering the walls with better reflectors of sound.

Reverberation time is the time it takes for sound to decay by 60 decibels in a closed space. It is influenced by the size of the room, the materials used on the walls, floor, and ceiling, and the objects present in the room. Better reflectors of sound have a higher sound reflection coefficient, meaning they do not absorb sound as effectively and allow it to bounce around the room for a longer period.

To increase the reverberation time, you can cover the walls with materials that have a high sound reflection coefficient, such as glass, tile, or metal. These materials will reflect sound waves more efficiently, allowing them to travel longer distances and bounce off surfaces multiple times before dissipating.

This results in an increased reverberation time, making the room feel more lively and spacious. However, it is essential to find a balance between sound reflection and absorption to ensure optimal acoustics. Too much reverberation can lead to poor sound quality and difficulty in understanding speech, while too little can make a room feel lifeless and dull.

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Answer:

B small positive charge

Explanation:

The force on an electron due to a magnetic field can be calculated using the formula F = qvB, where F is the force, q is the charge of the electron, v is the velocity of the electron, and B is the magnitude of the magnetic field.

Given:

Charge of the electron (q) = 1.60218 x 10^-19 C

Mass of the electron (m) = 9.10939 x 10^-31 kg

Magnitude of the magnetic field (B) = 0.259 T

To find the force on the electron, we need to determine the velocity of the electron after it has been accelerated across the potential difference.

The potential difference (V) is given as 82300 V, which can be used to calculate the final kinetic energy of the electron using the equation:

qV = (1/2)mv^2

Solving for v, we have:

v = sqrt((2qV)/m)

Substituting the given values, we find:

v = sqrt((2 * 1.60218 x 10^-19 C * 82300 V) / (9.10939 x 10^-31 kg))

v ≈ 5.47 x 10^6 m/s

Now, we can calculate the force on the electron due to the magnetic field:

F = qvB

Substituting the values, we get:

F = (1.60218 x 10^-19 C) * (5.47 x 10^6 m/s) * (0.259 T)

F ≈ 2.244 x 10^-15 N

Therefore, the force on the electron due to the magnetic field is approximately 2.244 x 10^-15 N.

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