Identify all the forms of energy in the picture below
identify thermal energy, mechanical energy, radiant energy, electrical energy, sound energy, and chemical energy​

Answer:

100 N left <--

Explanation:

Answer:

100 to the left

Explanation:

Answer:

F = 1.25 N

Explanation:

The equation to calculate Gravitational Force is

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

where G is gravitational constant, m1 and m2 are the mass of the 2 objects.

So, assuming that the G, m1, m2 is constant, the equation will be

F1 . \(r1^{2}\)= F2 . \(r2^{2}\)

Therefore,

F2 = F1 .  \(r1^{2}\) /      \(r2^{2}\)

And finally we just need to find F2 by inserting this value

F1 = 5N

r1 = 10m

r2 = 20m

I hope you can understand, let me know if you need more explanation.

The correct answer is B-elastic potential energy to kinetic energy.

When the spring gun is cocked, it stores elastic potential energy. Upon firing the dart, this stored energy transforms into kinetic energy, propelling the dart towards the target on the ceiling.

Elastic potential energy is energy stored as a result of applying a force to deform an elastic object. The energy is stored until the force is removed and the object springs back to its original shape, doing work in the process.

The deformation could involve compressing, stretching or twisting the object.

Many objects are designed specifically to store elastic potential energy, for example:

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Answer:r other boundary that does not absorb the energy of the radiation and bounces the waves away from the surface. The simplest example of visible light reflection is the surface of a smooth pool of water, where incident light is reflected in an orderly manner to produce a clear image of the scenery surrounding the pool. Throw a rock into the pool (see Figure 1), and the water is perturbed to form waves, which disrupt the reflection by

Explanation:

Activity: Is it the same?!

Reflection of light (and other forms of electromagnetic radiation) occurs when the waves encounter a surface or other boundary that does not absorb the energy of the radiation and bounces the waves away from the surface. The simplest example of visible light reflection is the surface of a smooth pool of water, where incident light is reflected in an orderly manner to produce a clear image of the scenery surrounding the pool. Throw a rock into the pool (see Figure 1), and the water is perturbed to form waves, which disrupt the reflection by scattering the reflected light rays in all directions.

Some of the earliest accounts of light reflection originate from the ancient Greek mathematician Euclid, who conducted a series of experiments around 300 BC, and appears to have had a good understanding of how light is reflected. However, it wasn't until a millennium and a half later that the Arab scientist Alhazen proposed a law describing exactly what happens to a light ray when it strikes a smooth surface and then bounces off into space.

In this activity you will be working as an engineer that is working to modify different kinds of digital cameras and to study the effect of changing incident angle on the reflected angle.

Method

Explain the steps of your experiment and identify the scientific variables:

------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

• Independent Variable

----------------------------------------------------------------------------------------------------------------

• Dependent Variable

--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

if anyone does ib myp 3. pleaseeee helppp im gonnnnaaa fail.

sciences by concept myp 3 formative assesment.

im giving 50 points please just help meeeeeeeeeeee

The symbol "mg/L" in water quality represents milligrams per liter, which is a unit of measurement commonly used to express the concentration of substances in water. Option a is right choice.

The symbol "mg/L" in water quality refers to milligrams per liter, which is a unit of measurement commonly used to express the concentration of substances in water.

This unit represents the number of milligrams of a particular substance that are present in one liter of water.

In the context of water quality, the concentration of various substances is typically measured in parts per million (ppm) or parts per billion (ppb). For example, the concentration of dissolved oxygen in water is typically expressed in milligrams per liter (mg/L), which is equivalent to ppm.

Micrograms per liter (µg/L) is another unit of measurement that is commonly used to express the concentration of substances in water.

However, this unit is typically used for substances that are present in very low concentrations, such as certain pollutants or toxins. In some cases, concentrations may be expressed in parts per trillion (ppt), which is equivalent to µg/L.

Option a is right choice.

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Answer: 20cm

Explanation:

Each point along the track of one solar mass star represents the star's surface temperature and luminosity at one time.

A star having a mass equal to the mass of the Sun is called a one-solar mass star.

Its life track shows the luminous intensity as well as the surface temperature.

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When sound passes from air to the tympanic membrane, the sound's intensity can change, but its velocity remains the same.

The tympanic membrane, also known as the eardrum, separates the outer ear from the middle ear. When sound waves enter the outer ear, they travel down the ear canal and strike the tympanic membrane, causing it to vibrate. This vibration is transmitted to the middle ear, where it is amplified and transmitted to the inner ear.

The intensity of a sound wave is a measure of the amount of energy it carries per unit area, and it can change as the sound passes from one medium to another. When sound waves pass from air to the tympanic membrane, some of the energy is reflected back into the air and some is transmitted into the membrane. The amount of energy that is transmitted depends on the properties of the two media and the angle of incidence of the sound wave.

The velocity of a sound wave, on the other hand, is determined by the properties of the medium it is passing through and is not affected by the interface between two media. Therefore, when sound passes from air to the tympanic membrane, its velocity remains the same.

Overall, the vibration of the tympanic membrane is an important step in the process of converting sound waves into electrical signals that can be interpreted by the brain, and any changes to the sound's intensity that occur during this process can affect our perception of the sound.

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Answer:

Infrared thermometers employ a lens to focus the infrared light emitting from the object onto a detector known as a thermopile. The thermopile is nothing but thermocouples connected in series or parallel. When the infrared radiation falls on the thermopile surface, it gets absorbed and converts into heat.

This question involves the concepts of Newton's Second Law of Motion, Force, and acceleration.

The engineer must design an engine that can produce a force of "3100 N".

According to Newton's Second Law of Motion:

\(F = ma\)

where,

F = Force of engine = ?

m = mass carried by engine = mass of cart + mass of person = 75 kg + 80 kg

m = 155 kg

a = acclereration of the cart = 20 m/s²

Therefore,

\(F = (155\ kg)(20\ m/s^2)\)

F = 3100 N = 3.1 KN

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The attached picture shows Newton's Second Law of Motion.

Answer:

vibrates, and they carry energy from one place to another. Look at the sound wave and the water wave. vibrating electric charges and can travel through space where matter is not present. to particle, electromagnetic waves travel by transferring energy between vibrating electric and magnetic fields.

They do not transmit sufficient energy to kill cancer cells.  Longer wavelengths than visible light define infrared waves (IR), a kind of electromagnetic radiation.

The electromagnetic radiation known as infrared, also referred to as infrared light, has wavelengths that are longer than those of visible light and shorter than those of radio waves. Wavelength range and sources: between 780 nm and 1 mm. Infrared radiation (IR), commonly referred to as heat radiation, is that region of the electromagnetic spectrum with wavelengths above red visible light, between 780 nm and 1 mm. IR can be divided into three groups: IR-A (780 nm-1.4 m), IR-B (1.4-3 m), and IR-C, commonly known as far-IR (3 m-1 mm).

IR wavelengths range from 700 nanometers (frequency 430 THz), which corresponds to the visible spectrum's notional red edge, to 1 millimeter (300 GHz). Long-term IR exposure, according to medical studies, can harm the lens, cornea, and retina, causing cataracts, corneal ulcers, and retinal burns, respectively. Workers can use gear with IR filters or reflective coating to help prevent long-term IR exposure. Electrical warmers, food-cooking appliances, remote controls, optical fibres, security systems, and thermal imaging cameras that can see individuals in the dark all employ infrared (IR) light. whereas, gamma rays, which have the highest energy (and thus the most penetrating), for instance, have higher frequencies than infrared waves.Gamma rays are the electromagnetic waves with the highest energy, highest frequency (300 EHz), and shortest wavelengths (1 pm) (1,24 MeV) and are used in treating cancer.

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The reason you have to keep running your engine when your car is moving at a constant velocity on the highway is to overcome frictional forces.

So, the correct answer is C.

When your car is moving along the highway at a constant velocity, the net force acting on it is zero. However, you still need to keep running your engine to overcome the frictional forces acting on your car.

Frictional forces such as air resistance, rolling resistance, and the resistance caused by the engine and transmission of your car all act against the motion of your car.

Therefore, your engine needs to continue to produce power to counteract these forces and maintain your car's speed.

Additionally, keeping your engine running is important to power essential features of your car, such as your radio and air conditioning, and to prepare for sudden acceleration needs, such as when merging onto a highway or passing another vehicle.

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Answer:

below

Explanation:

Remember     V = IR

  Then    V/R  = I

              10 v / 25 ohm = .4 A

Answer:

gamma rays are super compact

Explanation:

as you move up the electromagnetic spectrum the wave lengths get shorter and shorter (higher and higher energy) gammas being the highest on the spectrum

Radio waves pass through us easily every day with no bad effects. Gamma Rays will kill you in large doses. the difference between these two forms of waves are in their energy.

Wave is is a disturbance in a medium that carries energy as well as momentum . wave is characterized by amplitude, wavelength and phase. Amplitude is the greatest distance that the particles are vibrating. especially a sound or radio wave, moves up and down. Amplitude is a measure of loudness of a sound wave. More amplitude means more loud is the sound wave.

Wavelength is the distance between two points on the wave which are in same phase. Phase is the position of a wave at a point at time t on a waveform.

There are two types of the wave longitudinal wave and transverse wave.

The energy of the electromagnetic photon is given by frequency times plank's constant. Hence energy is directly proportional to the requency. The frequency of the radio waves is far smaller than the gamma rays hence it has low energy. this is the difference, which leads gammas rays  injurious to heath.

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Answer:

humoidity

Explanation:

Answer:

Explanation:

The height of the hill side can be found by using the formula

\(h = \frac{p}{m} \\ \)

p is the potential energy

m is the mass

From the question we have

\(h = \frac{1568}{40} = \frac{196}{5} \\ \)

We have the final answer as

Hope this helps you

Answer: 4.0m

Explanation:

The minimum value of the transmission signal bandwidth in the case of a multi-level PAM signal with 64 levels, using a symbol waveform of a square pulse, is 8 kHz. The symbol rate is also 8 kHz.

In a multi-level PAM (Pulse Amplitude Modulation) signal, the number of levels determines the number of distinct amplitudes that can be transmitted. In this case, there are 64 levels.

To determine the minimum value of the transmission signal bandwidth, we need to consider the Nyquist criterion. According to the Nyquist theorem, the minimum bandwidth required for a signal is twice the highest frequency component of the signal. Here, the highest frequency component of the voice signal is 3.4 kHz.

Since the voice signal is sampled at a frequency of 8 kHz, the Nyquist criterion tells us that the minimum bandwidth required for transmission is 2 * 3.4 kHz = 6.8 kHz. However, in practice, it is common to choose a slightly higher value to account for the practical implementation considerations. Therefore, the minimum value of the transmission signal bandwidth is rounded up to 8 kHz.

The symbol rate is the number of symbols transmitted per second. In this case, since the voice signal is sampled at 8 kHz, the symbol rate is also 8 kHz.

Moving on to the second part of the question, when transmitting the PAM signal into binary data using PCM (Pulse Code Modulation) encoding, we need to consider the bandwidth and bit rate.

To determine the bandwidth of the transmission signal when using PCM encoding with a square wave pulse, we need to apply the Nyquist criterion again. The Nyquist criterion states that the bandwidth is equal to the highest frequency component of the signal. In PCM encoding, the highest frequency component is half the sampling rate, which is 4 kHz (8 kHz / 2).

Therefore, the bandwidth of the transmission signal when using PCM encoding with a square wave pulse is 4 kHz.

The bit rate is the number of bits transmitted per second. In PCM encoding, each sample of the PAM signal is quantized and represented using a fixed number of bits. Since the symbol rate is 8 kHz and each symbol is represented by 6 bits (64 levels), the bit rate is calculated as 8 kHz * 6 bits = 48 kbps.

In summary, the bandwidth of the transmission signal when using a multi-level PAM signal with 64 levels and a square wave pulse is 8 kHz, with a symbol rate of 8 kHz. When using PCM encoding with a square wave pulse, the bandwidth of the transmission signal is 4 kHz, with a bit rate of 48 kbps.

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Answer:

P V = N R T

P1 V1 = P2 V2      assuming N, R, and T remain constant

V1 = (P2 / P1) V2

V1 = (2 kPa / 4 k Pa) 3.5 m3

V1 = 3.5 m^3 / 2 = 1.75 m^3

Answer:

D

Explanation:

Explanation:

You walk 53m to the north, then you turn 60° to your right and walk another 45m. Determine the direction of your displacement vector. Express your answer as an angle relative to east.

The velocity of fragment 2 is equal to 0.88 m/s at 31°.

From the law of conservation of momentum, the sum of the momentum before and after the collision must be equal.

m₁ u₁ + m₂.u₂ = m₁ v₁ + m₂.v₂

where m₁ & m₂ is the mass of the collided objects, u₁ & u₂ are their initial speed while v₁ & v₂ is their final speed.

Given, the mass of the spring, m = 1.2 kg

The speed of the spring, v = 0.50 m/s

The mass of the first fragment, m₁ = 0.4 kg

The initial speed of fragment 1, u₁ = 0.9 m/s

The mass of the fragment, m₂ = 1.2 - 0.4 = 0.8 kg

In x-direction: \(mucos\theta = m_1v_1 cos\theta + m_2 v_2 cos\theta\)

1.2 ×0.5 ×cos(0) = 0 + 0.8× v₂ cosθ

v₂ cosθ = 0.75

In y-direction: 12 (0) = -0.4(0.9) + 0.8  v₂ sinθ

v₂ sinθ = 0.45

Now, \(\displaystyle \frac{v_2sin\theta}{v_2cos\theta} =\frac{0.45}{0.75}\)

tanθ = 0.6

θ  = 31°

The value of the velocity of the fragment can be calculated as;

v₂ sinθ = 0.45

v₂ sin31 = 0.45

v₂ = 0.88 m/s

Thus, the magnitude of the velocity of fragment 2 is 0.88 m/s at 31⁰.

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Answer:

0.6amp or I= 0.6

Explanation:

V=IR

12V=I(20)

12/20=I

0.6=I

Answer:

0.6amp

Explanation:

Total work done is Wnet = 1/2mv₂² - 1/2mv₁²

Let the mass of the sled be m and the magnitude of the net force acting on the sled be Fnet .

The sled starts from rest. Consider an interval of time during which the sled covers a distance s and the speed of the sled increases from v₁ to v₂ . We will use this information to find the relationship between the work done by the net force (otherwise known as the net work) and the change in the kinetic energy of the sled.

Use W = F s cos (theta) to find the net work Wnet done on the sled. Express your answer in terms of some or all of the variables m ,v₁ and v₂.Using the work-energy principle, we can calculate the work done on an object in terms of its change in kinetic energy. Consider the sled being acted upon by a force Fnet.

W = ΔK is used to calculate the work done on the sled as it moves from rest to velocity v₁ and then to velocity v₂ over a distance s.

Considering the sled to be the system under study, we can write the net work done on the sled as Wnet = ΔK.Wnet = 1/2mv₂² - 1/2mv₁² = Fnet s cos θWnet = Fnet s cos θ = 1/2mv₂² - 1/2mv₁²

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The correct definition of precession, and the correct explanation of how does it affect what we see in our sky is the direction in which the earth's rotation axis points in space changes slowly over centuries, and we call this change, precession because of this movement, the celestial poles and therefore the pole star change slowly in time.

Option D is correct.

The north and south celestial poles are described as the two points in the sky where Earth's axis of rotation, indefinitely extended, intersects the celestial sphere.

In conclusion, the celestial poles appear permanently directly overhead to the observers at Earth's North Pole and South Pole, respectively.

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The gauge pressure of the air in the tank is 501 Pa. Option A is correct.

The gauge pressure of air in the tank can be determined using the following formula: ΔP = ρgh

To calculate the height difference, we need to use the fact that the arm of the manometer is inclined at a 45 degree angle from the horizontal.

h = (h2 - h1) * sin(45)

To calculate the heights of the fluid columns, we need to use the fact that the pressures at the bottom of each column must be equal:

P1 + ρwatergh1 = P2 + ρairgh2

Since the manometer is open to the atmosphere, we can assume that P1 and P2 are both equal to atmospheric pressure, which we can take to be 101,325 Pa.

Solving for h1 and h2, we get:

h1 = (P2 - P1) / (ρwaterg) = (0 - 101325) / (1000 * 9.81) = -10.32 m (negative because the water level is lower than atmospheric pressure)

h2 = (P1 - P2) / (ρairg) = (0 - 101325) / (1.225 * 9.81) = -8333.33 Pa

Substituting these values into the equation for h, we get:

h = (h2 - h1) * sin(45) = (-8333.33 + 10.32) * sin(45) = -4145.88 Pa

Finally, substituting h into the equation for ΔP, we get:

ΔP = ρgh = (1.225)(-4145.88) = -5073.53 Pa

|ΔP| = 5073.53 Pa

Therefore, the gauge pressure of the air in the tank is approximately 501 Pa.

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It is most likely that the pressure is measured in atmospheres, the volume in liters, the number of moles in moles, and the temperature in Kelvin.

In the ideal gas law, the gas constant (R) is represented by different values depending on the units used. The value of 0.0821 L·atm/mol·K is one of the commonly used values for R when pressure is measured in atmospheres (atm), volume in liters (L), and temperature in Kelvin (K).
To determine what is most likely true about the variables in the ideal gas law, we need to look at the equation:

PV = nRT

- P represents the pressure of the gas in atmospheres
- V represents the volume of the gas in liters
- n represents the number of moles of gas
- R represents the gas constant
- T represents the temperature of the gas in Kelvin

Since the given value of the gas constant is 0.0821 L·atm/mol·K, it suggests that the variables in the ideal gas law are likely to be measured in the corresponding units (atm, L, mol, and K).

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Normal forces are those that are directed upward force and stop the rider from falling downhill. The normal force is the pressure that surfaces provide to stop solid objects from piercing one another.

In touch, normal force is a force. Two surfaces cannot exert a normal force on one another if they are not in contact.

The Tornado is a roller coaster that features a vertical cylinder that spins quickly around its vertical axis. The rider is pushed against the inside wall of the cylinder by the rotation of the tornado, and the cylinder's floor falls away. Normal forces are those that are directed upward and stop the rider from falling downhill.

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Answer:

 μ= 0.0375,  kinetic

Explanation:

For this exercise we set a reference system with the x axis parallel to the chord

Y axis  

      N - W = 0

      N = W

X axis

      T - fr = 0

the expression for the friction force is

      fr = μ N

we substitute

       T - μ W = 0

       μ = T / W

we calculate

         μ = 1.5 / 40

        μ= 0.0375

coefficient of kinetic friction