in a game of billars the cue ball strikes the 8-ball and immediately comes to rest. what happnes to the cue ball's momentum?

Answer:

Hockey

Explanation:

plz mark on brainlist:)

Answer:

To find the volume of a rectangular object, measure the length, width and height. Multiply the length times the width and multiply the result by the height. The result is the volume. Give the result in cubic units, such as cubic centimeters.

Explanation:

Answer:

Kinetic energy is the energy possessed by an object due to its motion. If an object is moving, then it has kinetic energy. The amount of kinetic energy depends on mass and speed.

Explanation:

To find the total current in the AC circuit with parallel RLC elements, we need to calculate the impedance of each branch and then apply the rules for combining parallel impedances.

The impedance of each branch in a parallel RLC circuit can be calculated as follows:

1. For the resistor (R): The impedance (Z_R) of a resistor in an AC circuit is equal to its resistance (R). Therefore, Z_R = R.

2. For the inductor (L): The impedance (Z_L) of an inductor in an AC circuit is given by Z_L = jωL, where j is the imaginary unit, ω is the angular frequency (2πf), and L is the inductance.

3. For the capacitor (C): The impedance (Z_C) of a capacitor in an AC circuit is given by Z_C = 1/(jωC), where C is the capacitance.

The total current (I_total) can be calculated by summing the currents in each branch: I_total = I + I + I (three branches in parallel)

Now, By performing the necessary calculations using the given values, we can determine the specific values of R, L, and C for the parallel RLC circuit.

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Answer:

ntensive properties: A physical property that will be the same regardless of the amount of matter.

Explanation:

Answer:

C

Explanation:

you cannot any other thing if you don't even know what you are designing.

The first step in the technological design process is to define a need or problem, therefore the correct answer is option C.

There are mainly five stages of technological design,

Identifying the issue that needs to be solved is the first step in every problem-solving process.

The second stage is to imagine; during this phase,

The chosen product from the imaging stage is planned in the third stage.

Testing, evaluating, and modifying the product are the fourth stage.

The sharing of your solution is the fifth step. To gather comments, discuss your ideas with others, and enhance your product,

Technological designing is a lengthy process that involves a number of steps but identifying the problem we are going to is the most important step among all of the steps because a wrong approach to the problem would lead to faulty design in the later stages.

Thus, the first step in the technological design process is to define a need or problem, therefore the correct answer is option C.

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False. The statement that astronomers proved the presence of a supermassive black hole in quasar 2c 856 by observing its center to be completely dark is false.

Astronomers do not prove the presence of a supermassive black hole in a quasar by observing that its center is completely dark. In fact, quasars themselves are powered by supermassive black holes at their centers, which emit intense radiation as matter falls into them. Quasars are extremely bright and energetic objects located at the centers of galaxies. They emit enormous amounts of radiation across the electromagnetic spectrum, including visible light and beyond. The intense emission is due to the superheated matter falling into the black hole and the powerful jets of particles and energy it generates. Observations of a quasar typically reveal a bright and active center, not a completely dark one.

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Starting from rest, the disc completes \(\theta\) revolutions after \(t\) seconds according to

\(\theta=\dfrac\alpha2t^2\)

with angular acceleration \(\alpha\). It completes 10 rev in 2 s, which means

\(10\,\mathrm{rev}=\dfrac\alpha2(2\,\mathrm s)^2\implies\alpha=5\dfrac{\rm rev}{\mathrm s^2}\)

Find the time it takes to complete 20 rev with this acceleration:

\(20\,\mathrm{rev}=\dfrac12\left(5\dfrac{\rm rev}{\mathrm s^2}\right)t^2\implies t=\sqrt8\,\mathrm s\approx2.83\,\mathrm s\)

so it takes approximately 0.83 s to complete 10 more rev.

Answer:

Yes you are using energy to carry that thing.(Force is applied)

Explanation:

Answer:

The answer is

Explanation:

The velocity or speed of an object can be found by using the formula

\(velocity \: = \frac{distance}{time} \)

From the question

time taken to travel = 10 hours

distance covered = 550 miles

Substitute the values into the above formula and solve for the velocity

That's

\(velocity = \frac{550}{10} \)

We have the final answer as

Hope this helps you

According to Kepler's first law, the orbit is circular with the star at the center of the circle.

A planet is a celestial frame that (a) is in orbit across the sun, (b) has sufficient mass for its self-gravity to triumph over inflexible body forces so that it assumes a hydrostatic equilibrium (almost spherical) shape, and (c) has cleared the community around its orbit.

Neptune is an exquisite 3 billion miles far from the solar. but, the coldest planet isn't always Neptune, but Uranus – despite the fact that Uranus is a billion miles closer to the sun than Neptune. Uranus holds the file for the coldest temperature ever measured inside the solar device: a completely chilly -224℃.

The order of the planets within the solar system, starting nearest the solar and working outward is the following: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and then the viable Planet 9.

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According to Kepler's first law the orbit of the planet around the star is elliptical, with the star at one focus of the ellipse.

According to Kepler's first law, the orbit of the planet around the star is elliptical, with the star at one focus of the ellipse. This means that the planet's distance from the star varies over the course of its orbit, with the point at which it is closest to the star called the "perihelion" and the point at which it is farthest from the star called the "aphelion." The shape of the orbit is determined by the mass of the star and the planet, as well as the distance between them and the velocity of the planet as it orbits. The other answer choices are not correct.

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Answer:

gas

................

Explanation:

hope it helps u

Answer:

440

Explanation:

1 mile =1760 yards

0.25 miles =?

\( \frac{0.25 \times 1760}{1} \)

=440 yards

The 2D lift coefficient for the given airfoil with chord c = 0.8m, velocity v = 19m/s, and circulation γ = 6.7m²/s is approximately 1.68.


The lift coefficient (CL) for a 2D airfoil is given by the equation: CL = 2πγ/ (vc), where γ is the circulation, v is the velocity, and c is the chord length. Plugging in the given values, we get CL = (2π x 6.7) / (19 x 0.8) = 1.68 (approx.). The lift coefficient is a dimensionless quantity that gives an idea of the lift produced by the airfoil for a given angle of attack.

A higher lift coefficient indicates a higher lift produced for the same angle of attack. The lift coefficient varies with angle of attack, and it is important for determining the lift and drag of the airfoil. The lift and drag properties of airfoils are crucial in aircraft design and performance.

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The wavelength of light necessary for the reaction, given an energy requirement of 310 kJ/mol, is approximately 385 nanometers.

To determine the wavelength of light necessary for a reaction that requires 310 kJ/mol of energy, we can use the equation:

E = hc/λ

Where:

E is the energy in joules,

h is Planck's constant (6.626 × 10⁻³⁴ J·s),

c is the speed of light (2.998 × 10⁸ m/s),

λ is the wavelength of light.

First, let's convert the energy requirement to joules per molecule:

Energy per molecule = (310 kJ/mol) / (6.022 × 10²³ molecules/mol)

                                   = 5.14 × 10⁻¹⁹ J/molecule

Now, we can rearrange the equation to solve for the wavelength:

λ = hc/E

Substituting the known values, we get:

λ = (6.626 × 10⁻³⁴ J·s * 2.998 × 10⁸ m/s) / (5.14 × 10⁻¹⁹ J)

= 3.85 × 10⁻⁷ m

= 385 nm

Therefore, the wavelength of light necessary for the reaction, given an energy requirement of 310 kJ/mol, is approximately 385 nanometers.

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Answer:

सं देश भर भर में नौ महिना अघिदेखि महिना अघिदेखि नै जातीय आधारमा प्रान्त पुगें र नेपाली जनताको लागि फरक छ तर त्यो पनि पाँचै वर्षमा धरासायी भयो पाँचै वर्षमा धरासायी भयो भने हेर्न त्यो पनि हो र स्वार्थी हुन्छ भन्थे यो मेरो पहिलो मृत्यु भएको हो। छ। यो म भने त्यो प्रेम कति

Harrison is incorrect because particles can force each other to vibrate more easily in elastic materials where particles are closer together. So, option A.

Vibration is a periodic back-and-forth motion of the particles in an elastic body or medium.

Here,

Vibrations occurs when practically any physical system is moved out of its equilibrium condition and is left to react to forces that work to bring it back into equilibrium.

A periodic shift in time is referred to as a vibration. A wave is a regular oscillation in both space and time. The waves propagate from one point to another in a medium.

Most waves travel through different media, and this affects how fast they move.

In general, waves go through solids the quickest and gases the slowest. The reason for this is that while particles in a gas are farthest to one another, those in a solid are closer to one another.

Hence,

Harrison is incorrect because particles can force each other to vibrate more easily in elastic materials where particles are closer together. So, option A.

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Answer:

Fossil fuels store energy from the sun as

Explanation:

It is not possible to determine the time required for consolidation to reach 40% with only partial drainage information.

The time required for consolidation to reach 40% cannot be determined with only partial drainage information. The consolidation process depends on various factors such as soil type, initial void ratio, and drainage conditions. Partial drainage at the bottom only will result in a longer consolidation time compared to full drainage at the top and bottom. The degree of consolidation achieved will depend on the time factor, hydraulic gradient, and soil parameters. Therefore, without knowing these parameters, it is not possible to calculate the time required for consolidation to reach 40%. A comprehensive soil analysis and laboratory testing are necessary to determine the appropriate time factor for consolidation of a specific soil type under different drainage conditions.

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Answer:

Density= 2.78 g/cm³

Relative density=2.8

Explanation:

To calculate the density of the cube we have to use the formula ρ=mass/volume

ρ stands for density.

So now we don't have the volume of the cube and to find the volume of the cube we have to use the formula a³

3³= 9 cm³

Now plug in the values. ρ= 25 g/9 cm³

ρ= 2.78 g/cm³

To find the relative density, we have to use the formula ρsample/ρH20

The sample means the density of the substance earlier. We do not know the density of water but it is constant at 997 kg/m³.

Now we have to make the units same so you change the unit of the density of cube to kg/m³

So, 25/1000= 0.025 kg

9/100×100×100 (because cm³ which means that there should be 3 meters to change the unit and to conver cm to meter we need to divide by 100 so 9cm/100, 9cm²/100×100, 9cm³/100×100×100)

=0.000009 m³

The new density= 0.025 kg/ 0.000009 m³

= 2777.78 kg/m³

Now plug the values into the formula:

relative density= 2.777.78 kg/m³ / 997 kg/m³

=2.8

There is no unit since kg/m³ and kg/m³ cancels

Answer:

22500 Ns

Explanation:

Given,

Mass ( m ) = 1500 kg

Velocity ( v ) = 15 m/s

Formula : -

Impulse = mv

Impulse

= 1500 x 15

= 22500 Ns

Therefore,

22500 Ns is the impulse experienced by the car.

Note : -

Ns is the unit of impulse.

Answer:

They are provided with keen senses of sight, smell and hearing.

Answer:

Terrestrial animals

Everything falls at the same rate.

The correct option is d. All of the above. All the options are correct and satisfy the conditions mentioned below.

a. A is easier to solve with mental math. This condition is correct because the problem A involves smaller numbers which are easier to manipulate mentally compared to the large numbers involved in B.

b. There is more work to be done for B, for both man and machine. This condition is correct because problem B involves larger numbers which are difficult to handle manually as well as through machines compared to A.

c. Both problems are of similar difficulty if computational thinking is applied. This condition is correct because computational thinking involves breaking down a complex problem into small and manageable parts. Both problems A and B can be solved using computational thinking by breaking down the large numbers into small parts. This makes both the problems of similar difficulty when computational thinking is applied.

Therefore, the correct answer is d. All of the above.

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Answer:

A. 2.0

Explanation:

2.0 is right i got it right for the test for A P E X

Answer:

theyll accelerate towards the floor :)

Answer:

In adding up charges, you can ignore the neutrons ... they have no charge

either way.  They're NEUTRal, which is why they're called NEUTRons.

That leaves us with 3 positive protons and 3 negative electrons.

                      +3  -3  =  0 .

The atom as a whole is neutral ... its net charge is zero.

Explanation:if this isn’t right I am sorry

Hydroelectric dams generate electricity makings use of run-of-the-river systems, in which turbines are placed into the natural water flow.

Generally, Hydroelectric dams produce electricity by making use of turbines and generators, in a process where mechanical energy is produced when moving water turns the rotors of a turbine.

In conclusion, Hydroelectric dams use run-of-the-river systems, in which turbines are placed into the natural water flow.

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Answer: 2,200 feet

Explanation:

Use the following conversions: 1 mile = 5280 feet, 1 hour = 60 minutes

\(\dfrac{5\ miles}{1\ hour}\times \dfrac{5280\ ft}{1\ mile}\times \dfrac{1\ hour}{60\ min}\times 5\ min=\dfrac{132,000}{60}ft=\large\boxed{2,200\ ft}\)

I believe friction is what it's called?

When an object reaches terminal velocity its acceleration becomes zero.

Terminal velocity is also called constant velocity. When there is no acceleration in the moving object. We can take the example of sedimentation.

Sedimentation is the process of settling down the soil particles at the bottom of the water. When soil particles comes down in water there are three forces which act on the particles. Downward force is weight of the particle. Upward force buoyant force of the water, and drag force. When upward forces become equal to the downward force then particles begins to settle down with a constant velocity. which is called terminal velocity.  

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