The energy of a photon is _____ proportional to its frequency. a high-energy photon has a _____ frequency and a _____ wavelength.

In an inductive circuit with an uncorrected power factor of 40 percent to 60 percent, the power factor can be corrected to within 5 percent of unity by the addition of a(n) capacitor.

A capacitor is a gadget that stores electrical energy in an electric field. It is an inactive electronic part with two terminals. The impact of a capacitor is known as capacitance. A capacitor is a gadget that stores electrical energy in an electric field. It is an uninvolved electronic part with two terminals. The impact of a capacitor is known as capacitance. While some capacitance exists between any two electrical conduits in closeness in a circuit, a capacitor is a part intended to add capacitance to a circuit. The capacitor was initially known as a condenser or compensator. This name and its cognates are still generally utilized in numerous dialects, yet seldom in English, one eminent exemption being condenser mouthpieces, likewise called capacitor receivers.

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b. Momentum is conserved.

c. Objects always stick together after an inelastic collision.

d. One object may be stationary before an inelastic collision.

In an inelastic collision, there are certain conditions that apply to the collision itself and the behavior of the objects involved. Let's examine each option in detail:

a. Energy is conserved: In an inelastic collision, energy is not conserved. Some energy is typically lost in the form of heat, sound, or deformation of the objects involved. This loss of energy is due to the internal forces and interactions within the objects during the collision.

b. Momentum is conserved: Conservation of momentum is a key characteristic of an inelastic collision. In an inelastic collision, the total momentum of the system before the collision is equal to the total momentum after the collision. This means that the sum of the individual momenta of the objects involved remains constant.

c. Kinetic energy is conserved: Kinetic energy is not conserved in an inelastic collision. As mentioned earlier, some of the initial kinetic energy is transformed into other forms of energy, such as heat or deformation. The total kinetic energy after the collision is generally less than the total kinetic energy before the collision.

d. Objects always stick together after an inelastic collision: In an inelastic collision, the objects involved may stick together or deform upon impact. However, it is not a universal rule that objects always stick together after an inelastic collision. The degree of stickiness or deformation depends on the specific properties of the objects and the nature of the collision.

Therefore, the correct conditions for an inelastic collision in a closed system are:

- Momentum is conserved.

- Objects may stick together or deform after the collision.

- One object may be stationary before the collision.

It's important to note that these conditions may vary depending on the specific scenario and the nature of the objects involved in the collision.

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Answer:

Energy is conserved.

Momentum is conserved

One object may be stationary before an inelastic collision.

Explanation:

Answer:

S = 415.64m

Explanation:

Given the following data;

Time, t = 9.21secs

Since it's a free fall, acceleration due to gravity = 9.8m/s²

Initial velocity, u = 0

To find the height of the tower, we would use the second equation of motion;

\( S = ut + \frac {1}{2}at^{2}\)

Where;

Substituting into the equation, we have;

\( S = 0*9.21 + \frac {1}{2}*(9.8)*9.21^{2}\)

\( S = 0 + 4.9*84.8241\)

\( S = 4.9*84.8241 \)

Height, S = 415.64m

Therefore, the tower is 415.64m in height.

Answer:

Option (b).

Explanation:

Mass of an object is defined as the amount of matter contained in it. In this case, the mass of helium gas in a balloon is the amount of matter inside the balloon. It is independent of the outside condition.

Hence, out of 4 options, the correct option is (b).

Answer:

b

Explanation:

Answer:

False. Not everything can turn into a black hole. The formation of a black hole requires a massive object, typically a star, to collapse under its own gravity. This collapse causes the object to become so dense that it creates a singularity, a point of infinite density at the center of the black hole, which is surrounded by an event horizon, the point of no return beyond which nothing, not even light, can escape. So, only objects with sufficient mass and gravity can become black holes.

Explanation:

The accelerations for each problem are:

1. 2.22m/\(s^{2}\)

2. 7m/\(s^{2}\)

3. 1.45m/\(s^{2}\)

4. 20m/\(s^{2}\)

The acceleration which is gained by the object because of gravitational force is called its acceleration due to gravity. Its SI unit is m/\(s^{2}\). Acceleration due to gravity is a vector, which means it has both magnitude and direction. The acceleration due to gravity at the surface of the Earth is represented by letter g. It has standard value defined as 9.80665 m/s2 (32.1740 ft/s2). However, actual acceleration of a body in free fall varies with location.

1. Initial velocity=0 km/h

Final velocity=24 km/h= 6.66m/s

Time=3 seconds

acceleration =\(\frac{6.66-0}{3}\)=2.22m/\(s^{2}\)

2. Initial velocity=0 km/h

Final velocity=35 m/s

Time=5 seconds

acceleration = \(\frac{35-0}{5}\)=7m/\(s^{2}\)

3. Initial velocity=20 km/h=5.55\(m/s^{2}\)

Final velocity=60 km/h= 20m/\(s^{2}\)

Time=10 seconds

acceleration= \(\frac{20-5.55}{10}\)= 1.45m/\(s^{2}\)

4. Initial velocity=50 m/s

Final velocity=150 m/s

Time=5 seconds

acceleration= \(\frac{150-50}{5}\)= 20m/\(s^{2}\)

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A charge of 1.2 μC gains electric potential energy as it moves from the negative terminal to the positive terminal of a 1.5 V battery.

To calculate the electric potential energy gained by the charge, we can use the formula: Electric Potential Energy (PE) = q * V where q is the charge and V is the voltage. Given that the charge is 1.2 μC and the voltage is 1.5 V, we can substitute these values into the formula:

PE = (1.2 μC) * (1.5 V)

To perform the calculation, we need to convert the charge to coulombs (C). Since 1 μC is equal to 1 × 10^-6 C, we can rewrite the charge as 1.2 μC = 1.2 × 10^-6 C. Now we can calculate the electric potential energy:

PE = (1.2 × 10^-6 C) * (1.5 V)

Evaluating this expression gives us the electric potential energy gained by the charge as it moves from the negative terminal to the positive terminal of the battery.

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Answer:  45 kmph, AAAAAAAAAAAAAAAAAAAAAAA

Answer:

he can fall down

Explanation:

he could fall down because of the tomatoes and do notice he has fallen down because of them

Yes, It is better to have low opacity in the atmosphere when using a giant refracting telescope.

1. Opacity refers to the degree to which the atmosphere obstructs or scatters light. In the context of using a refracting telescope, low opacity is desirable because it allows more light to reach the telescope's optics, resulting in better image quality and increased visibility of celestial objects.

2. A refracting telescope uses lenses to collect and focus light from distant objects. When the atmosphere has low opacity, the lenses can gather a greater amount of light, enhancing the telescope's ability to capture detailed images of stars, planets, and other astronomical phenomena.

3. High opacity in the atmosphere, such as due to pollution, dust, or atmospheric conditions, can significantly degrade the performance of a refracting telescope. It scatters and absorbs light, reducing the amount of light reaching the lenses and causing images to appear faint, blurred, or distorted.

4. Therefore, a giant refracting telescope benefits from a transparent atmosphere with low opacity. Astronomical observatories are often situated in remote locations with minimal light pollution and atmospheric disturbances to maximize the telescope's effectiveness.

5. By minimizing opacity, astronomers can obtain clearer and sharper images, enabling them to study celestial objects with greater precision and detail. This enhances our understanding of the universe and facilitates scientific discoveries in the field of astronomy.

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Answer:

\(F_{elect} = \frac{kq_1q_2}{d^2}\)

Explanation:

Consider the given variables:

Felect = Electrostatic Force between charged particles

k = Coulomb's Constant

q₁ = magnitude of first charge

q₂ = magnitude of second charge

d = distance between the charges

The relationship among these variables is given by the Coulomb's Law:

\(F_{elect} = \frac{kq_1q_2}{d^2}\)

This is the relationship that contains k, q₁, q₂, d on the right-hand side and Felect on the left-hand side.

The bullet takes 0.0025 seconds to pass through the wooden plank of 5 cm thickness when it is traveling horizontally with an initial speed of 30 m/s and a final speed of 10 m/s.

The time taken by the bullet to pass through the wooden plank can be determined using the equation of motion for constant acceleration.

Given:
Initial speed (u) = 30 m/s

Final speed (v) = 10 m/s

Distance (s) = 5 cm = 0.05 m

To find the time taken (t), we need to calculate the acceleration (a) first. We can use the equation:

v² = u² + 2as

Rearranging the equation, we have:

a = (v² - u²) / (2s)

Substituting the given values:

a = (10² - 30²) / (2 * 0.05)

Simplifying the expression:

a = (-800) / (0.1)

a = -8000 m/s²

The negative sign indicates that the acceleration is in the opposite direction of the initial velocity.

Next, we can use the equation of motion:

v = u + at

Substituting the values:

10 = 30 + (-8000) * t

Simplifying the equation:

-8000t = -20

Dividing by -8000:

t = 20 / 8000
t = 0.0025 s

Therefore, the time taken by the bullet to pass through the wooden plank of 5 cm thickness is 0.0025 seconds.


To find the time taken by the bullet to pass through the wooden plank, we need to calculate the acceleration first using the equation of motion.

By rearranging the equation and substituting the given values, we can find the acceleration.

Then, using the equation of motion again, we can solve for time.

The negative sign in the acceleration indicates that it is in the opposite direction of the initial velocity.

The resulting time is 0.0025 seconds.

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Answer

The Net force acting on an object is the combination ofall of the individual forces acting on it.

Answer:

Replication is vital to science. It helps make science a self-correcting system. Any time a result is surprising, research­ers will try to replicate it, to see if the phenom­enon is dependable or just a fluke

Explanation:

Answer:

Amp – an ampere a the unit for measuring electricity. The rate at which electricity flows is measured as an electric current. The electric current is measured in Amps.

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If correct, can I please have brainliest?

Thank you.

Answer:

73 neutrons.

Explanation:

Data obtained from the question:

Mass number of Xenon = 127.

Neutron number =...?

We can obtain the number of neutron present as follow:

Atomic number of Xenon = 54

Recall:

Atomic number = proton number = 54

Mass number = proton + neutron

127 = 54 + Neutron

Neutron = 127 – 54

Neutron = 73.

Therefore, 73 neutrons are present in the Xenon atom.

Answer:

B

Explanation:

The Magician pulled a rabbit out of his hat

Answer:

A

Explanation:

A hypothesis is discarded when the results do not work out, and it contradicts.

Answer:

A

Explanation:

The data that contradicts the hypothesis makes more sense or is correct by the conducted experiment

The overall reaction is balanced by the transfer of electrons between the electrodes, leading to a change in the oxidation states of the species involved in the reaction. Gas produced at this electron is hydrogen.

At the negative electrode, electrons are supplied to the electrode. This process is called reduction, as it involves the addition of electrons to a species in the solution. The species that accepts the electrons will be reduced and will have a lower oxidation state. The gas that is produced at the negative electrode depends on the reaction that occurs at the electrode. For example, if the reaction is the reduction of water to hydrogen, then hydrogen gas will be produced at the negative electrode. If the reaction is the reduction of a metal ion, then the metal will be deposited on the electrode and the corresponding gas will not be produced. In general, the reaction at the negative electrode is chosen such that it provides electrons to the overall electrochemical reaction that is taking place, while the reaction at the positive electrode (the anode) consumes electrons. The overall reaction is balanced by the transfer of electrons between the electrodes, leading to a change in the oxidation states of the species involved in the reaction.

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Answer: It causes a neap tide

Explanation:

Based on astronomical records, the reasons why there is main sequence are:

A star can be defined as a giant astronomical or celestial object that comprises a luminous sphere of plasma and it is bounded together by its own gravitational force.

Generally, a star is typically made up of two (2) main hot gases and these include the following:

A main sequence refers to a type of star that fuses hydrogen in its core and it has a stable balance of outward pressure as a result of core nuclear fusion and gravitational forces that are pushing inward.

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Answ

In real world application Ultraviolet is not a color as it it can’t be seen by the human eye. It is a high frequency part of the Suns electromagnetic radiation. Even though UltraViolet sounds like a color, the Ultra in this case signifies that it is beyond Violet and thus beyond the visible part of the electromagnetic spectrum. They are not depicted with a color on spectrum charts, since we can’t see it we can’t truly classify it as a color no more than can we equate the other parts of the spectrum like XRays, Gamma Rays and Radio Waves with colors. These and other non-visible parts of the spectrum are measured instead with wavelengths. So the answer is no they would not be monochromatic, or any color at all.

Red, Orange, Yellow, Green, Blue, Indigo and Violet are the visible colors of the electromagnetic spectrum. They, combined together are called white light and our atmosphere acts like a prism to divide them into separate and apparently distinct colors. Outside the visible Red you have Infrared which is invisible to the human eye and is the heat we feel from the sun. Outside the Violet end of the visible spectrum is where UVA, UVB and UVC are found, and these are the eye and skin damaging rays. UV rays are also invisible to the human eye (but visible to certain birds of prey such as raptors

Explanation:

Answer:

c. natural resources

Explanation:

mercantilism is an economic practice by which governments use their economies

if am ryt

Answer:

C. natural resources

Explanation:

Mercantilism is based on the concept of a nation's power being directly related to its wealth. A nation's goal under mercantilism was to obtain as much gold and silver as possible and to export more goods than it imported from other nations. Gold and Silver are natural resources.

Answer: 0.75 hour(s) or 45 minutes

Explanation:

1 unit of electricity = 1kwh

Amount of energy consumed by 1kw load in one hour

Price per unit = ₹10

Air conditioner rating(power) = 1.2Kw

Given that balance = ₹9

Therefore, supriya's total energy cost = energy balance = ₹9

Total energy cost = power in kilowatt × time of operation (in hour) × cost per unit

₹9 = 1.2kw × time × ₹10

₹9 = 12 × time

Time = 9 / 12

Time = 0.75 hours

0.75 × 60 = 45 minutes

Answer:

CALCIUM IDENINE ADEININE AND PHOSPHATE

Explanation:

The voltage drop across the copper conductor is 0.002598 V with a current of 3A.

In the given scenario, a copper conductor with a diameter of 10 mm and a length of 4 m is used. The goal is to determine the voltage drop and current flowing through the conductor.

To calculate the voltage drop, we can use Ohm's law, which states that the voltage drop (V) is equal to the product of the current (I) and the resistance (R) of the conductor.

The resistance of a copper conductor can be determined using the formula:

R = (ρ * L) / A,

where ρ is the resistivity of copper, L is the length of the conductor, and A is the cross-sectional area of the conductor.

First, we need to calculate the cross-sectional area (A) of the conductor. The diameter (d) of the conductor is 10 mm, so the radius (r) is half of that, which is 5 mm or 0.005 m.

Using the formula for the area of a circle (A = π * r²), we can calculate the cross-sectional area as:

A = 3.14 * (0.005)² = 0.0000785 m².

Next, we can substitute the values into the resistance formula,

\(R = (1.7 * 10^{-8} * 4) / 0.0000785 = 0.000866\)

Finally, we can determine the voltage drop using Ohm's law:

V = I * R = 3 * 0.000866 = 0.002598 V.

Therefore, the voltage drop across the copper conductor is 0.002598 V (or approximately 2.6 mV) with a current of 3A.

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Since the height of the rock after t seconds is given by the formula:

Then, replace t=5 to find the height of the rock after 5 seconds:

The velocity of the rock after t seconds is given by:

Replace t=5 to find the velocity of the rock after 5 seconds:

Therefore, the height of the rock after 5 seconds is equal to 125 ft. The velocity of the rock after 5 seconds is -20 ft/s.

The length of the tube for a closed end is 0.128 meters or 12.8 cm, and for an open end is 0.256 meters or 25.6 cm.

To determine the length of the tube in each case, we can use the formula:
(a) For a tube closed at one end, the wavelength of the fundamental frequency is four times the length of the tube.The length of the tube can be calculated as:
Length = (wavelength/4) = (speed of sound/frequency)/4 = (343/671)/4 = 0.128 meters or 12.8 cm

(b) For a tube open at both ends, the wavelength of the fundamental frequency is twice the length of the tube. Therefore, the length of the tube can be calculated as:
Length = (wavelength/2) = (speed of sound/frequency)/2 = (343/671)/2 = 0.256 meters or 25.6 cm
In summary, the length of the tube for a closed end is 0.128 meters or 12.8 cm, and for an open end is 0.256 meters or 25.6 cm.

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