1. Leaves of a tree may get detached if we vigorously shake its branch. Explain.
Answers
Answer:
When the tree is at rest, its leaves are also at rest. But when we bring the tree in motion by means of shaking it, due to the inertia of leaves they still tend to be in rest. Thus, force is acting on leaves vigorously with changing direction rapidly. This results in detaching of leaves from the tree.
Explanation:
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Related Questions
After a storm, a hospital may have to rely on backup generators to power some equipment. Which is the energy conversion provided by the generators?.
Answers
After a storm, a hospital may have to rely on backup generators to power some equipment.Energy conversion provided by the generators is mechanical energy to electrical energy.
ABOUT ENERGYEnergy is the ability to do work (effort). Energy is basically available in nature, everything that is available in nature and contains energy is called an energy source.
, Energy is abstract and difficult to prove but its existence can be felt. Energy cannot be created or destroyed, but can change form (conversion) from one form of energy to another. This is also known as the law of the conservation of energy. This energy needs to be converted so that it can be used according to human needs. For example, the most important source of energy on earth, the sun. Since ancient times, humans have used solar cells from the sun to produce electricity.
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Module 3 Discussion!
After reading Ch.12 and 13 of the text (The essentials of Finance and Accounting for nonfinancial managers/ Third Edition) on Strategy and Financial Forecasting, watching the SWOT video based on Paley’s Products from the Ratio Analysis in Module 2 and the additional narrative information in Appendix C, Phase
Create a SWOT analysis that will reflect the TOWS analysis as described in Ch. 12 of the text. The purpose of the SWOT analysis is to lay out several issues and possibilities to be considered in Paley’s strategic planning. The strengths and weaknesses are internal issues, whereas the opportunities and threats are external.
The second part of the analysis is to create actions based on the SWOTs. This is sometimes called a TOWS analysis and is done by comparing the boxes, two at a time:
Offensive actions come from strengths that link to opportunities, so a specific strength can be applied to exploit an opportunity.
Adjusting actions come from addressing weaknesses, which then can be used to exploit opportunities that previously had not been possible.
Turnaround actions come from weaknesses that link to threats. These are high-risk issues where a priority needs to be given to addressing the weakness to minimize the vulnerability.
Defensive actions come from threats that link to strengths. These are latent issues because if the threat materializes, an already-existing strength is available to counter it.
Additional actions can be included to address other issues not directly identified in the SWOTs.
3. From the actions identified in part 2, pick 3-5 strategic actions that you feel Paley must achieve or at least start in the upcoming year and state your reasons for including them.
Attach your completed SWOT form and list of strategic actions with supporting logic and facts from the case as your answer for this discussion question. These actions are the foundation for the strategic plan
Answers
SWOT Analysis Strengths- Paley’s Products has a low overhead cost with the company operating at a high level of efficiency, resulting in competitive pricing.- They have a team of experienced employees who have worked in the industry for several years.- They have a variety of products in the portfolio that can satisfy customers from different sectors.- They are reputable and have a loyal customer base.Weaknesses- They have been slow to adopt new technology, and this may be a disadvantage to the company.- Limited marketing and sales promotion are affecting their sales revenue.-
They depend on a few key customers for the bulk of their sales revenue, leaving them vulnerable to market changes.Opportunities- Expansion of the product line to include unique products.- The establishment of strategic partnerships with other businesses in the industry.- Exploration of new markets, such as international markets.- Improvement of marketing techniques to increase brand awareness.Threats- Changes in consumer preferences towards environmentally friendly products.- Increase in competition from other businesses in the industry.- Fluctuating market prices for raw materials that may lead to price increases.
Strategic Actions to be taken by Paley Products1. Development of an E-commerce platform to allow online transactions with customers. The E-commerce platform will enable Paley to reach a wider customer base, expand its reach, and increase sales revenue.2. Investment in the research and development of new environmentally friendly products. Paley will remain competitive and cater to the needs of consumers who prefer green products.3. Establishment of strategic partnerships with other businesses in the industry to leverage the strength of other companies in the industry and to develop new products or increase market share.4. Improvement of marketing techniques to increase brand awareness and improve visibility. A marketing strategy that incorporates social media and other digital channels can help promote the brand to potential customers.5. Expansion into international markets. This will enable Paley to diversify its customer base and generate more revenue. Paley can start by targeting nearby countries, then expand globally as they gain more experience and financial stability.
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in what direction would a positive charge be deflected if travelling from left to right, if the magnetic field is acting into the page?
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A positive charge travelling from left to right would be deflected in an upward direction if the magnetic field is acting into the page. This is because a positive charge is affected by the magnetic field in the same direction as the right-hand rule. The right-hand rule states that if your thumb points in the direction of the magnetic field, your fingers curl in the direction of the deflection of the positive charge.
A positive charge traveling from left to right would be deflected upwards if a magnetic field is acting into the page. A magnetic field is a force that surrounds a magnet and other magnetic materials. The magnetic field's direction depends on the magnet's polarity. The magnetic field exerts a force on a moving charged particle. This force is known as the Lorentz force. The direction of the Lorentz force is perpendicular to both the magnetic field and the direction of the charged particle's motion.
As a result, a positively charged particle moving from left to right will be deflected upwards if the magnetic field is acting into the page. This is due to the right-hand rule of the magnetic force on a charged particle. The right-hand rule states that if the thumb of the right hand points in the direction of the charged particle's velocity and the fingers curl in the direction of the magnetic field, the palm points in the direction of the force on the charged particle.
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What does Boyle's law state about pressure and volume at a constant temperature and a constant pressure
Answers
Answer: Boyle's law states that when the pressure of a given mass of an ideal gas is inversely proportional to its volume at a constant temperature.
Explanation:
Answer: Provided temperature remains constant, the volume and pressure of a gas are inversely related.
Explanation: Robert Boyle discovered that as long as the temperature of a gas remains constant, the relationship between the volume and the pressure of the gas is inverse. Basically, as the volume of a gas increases, its pressure decreases. As the pressure of the gas increases, its volume decreases.
A turntable turning at rotational speed 33 rpm stops in 50 s when turned off. The turntable's rotational inertia is 1.0 X 10^-2 kg - m^2. How large is the resistive torque that slows the turntable?
Answers
The resistive torque that slows the turntable is 6.92 × 10^−1 Nm.
We can use the equation:
torque = (final angular velocity - initial angular velocity) / time / rotational inertia
Where:
final angular velocity = 0 rad/s (since the turntable stops)
initial angular velocity = (33 rpm) x (2π/60) rad/s = 3.46 rad/s (convert rpm to rad/s)
time = 50 s
rotational inertia = 1.0 × 10^−2 kg m^2
Plugging in the values:
torque = (0 - 3.46) / 50 / 1.0 × 10^−2 = -6.92 × 10^−1 Nm
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As a freely falling object picks up downward speed, what happens to the power supplied by the gravitational force?.
Answers
The power supplied by the gravitational force will increase because (Power=work/time).
What happens to a freely falling object's speed as it descends?A falling object gains momentum as it descends.
An increase in air resistance is caused by a speed increase.
At some point, the force of air resistance grows strong enough to counteract the pull of gravity.
Since there is no net force at this point, the object will stop accelerating.
Although the direction and magnitude of velocity fluctuate, the acceleration caused by gravity remains constant and downward.
The ball has zero velocity at the highest point in its trajectory, and it picks up speed as it descends back toward the earth.
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light striking a metal surface causes electrons to be emitted from the metal via the photoelectric effect. part a in a particular experiment to study the photoelectric effect, the frequency of the incident light and the temperature of the metal are held constant. assuming that the light incident on the metal surface causes electrons to be ejected from the metal, what happens if the intensity of the incident light is increased?
Answers
The number of electrons emitted from the metal per second increases.
when the intensity of the incident light is extended, even as its frequency is held regular, extra photons will hit the metal consistent with unit time and a larger number of electrons can be emitted in step with unit time. Experimentally, this corresponds to better maximum currents discovered between the anode and cathode.
The photoelectric effect is the emission of electrons while electromagnetic radiation, including light, hits a fabric. Electrons emitted in this way are referred to as photoelectrons. The phenomenon is studied in condensed rely on physics, solid nation, and quantum chemistry to attract inferences approximately the houses of atoms, molecules, and solids. The effect has been discovered in use in digital devices specialized for light detection and precisely timed electron emission.
The experimental results disagree with classical electromagnetism, which predicts that continuous mild waves switch power to electrons, which could then be emitted after they collect sufficient strength. An alteration inside the depth of mild would theoretically trade the kinetic strength of the emitted electrons, with sufficiently dim light ensuing in a behind-schedule emission.
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what is a strength of a magnetic field for a current loop with 5 a current and diameter of 1.0 m from an electric wire?
Answers
0.80tesla is a strength of a magnetic field.
how strong is the magnetic field, exactly?At a distance r from the wire, a current I flowing through a long, straight wire generates a magnetic field with intensity H=I/2r. In other words, the field's strength is inversely proportional to the distance from the wire.
How is field strength determined?Newtons per coulomb (N/C) or volts per meter (V/m) are the SI units for measuring electric field strength. E = F/q, where F is the force felt by a very small test charge q placed in a field E in a vacuum, gives the force felt by the charge.
given,
I = 5A , r = 1.0m
H=I/2πr
H = 5 / 2*3.14*1.0
H = 0.80tesla
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A large volume of oxygen can be put into a small tank because oxygen is a gas and gasses can be what?
Answers
Answer:
compress
Explanation:
A student performed an investigation into the refraction of light in a transparent material.
The results are shown below:
The angle of refraction of the refracted ray through the material shown is 32o .
Use this information to calculate the critical angle of the transparent material
Answers
The critical angle of the transparent material is 35.3 degrees.
What is the critical angle?The critical angle is the angle of incidence at which the angle of refraction is 90 degrees. In this case, the angle of refraction is 32 degrees. Therefore, the critical angle is calculated as follows:
sin(critical angle) = sin(90 degrees) / sin(angle of refraction)
sin(critical angle) = 1 / sin(32 degrees)
sin(critical angle) = 0.574
critical angle = arcsin(0.574)
critical angle = 35.3 degrees
Therefore, the critical angle of the transparent material is 35.3 degrees.
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To which category does galaxy #2 belong? Why does it belong in this category?
Answers
Galaxy #2 belongs to spiral. This is because it has a bulge at the centre, a disk as well as the curved arms. Contains both Young and Old stars - contains gas and dust - contains more red giants and red supergiant's than disk - some regular rotation about centre.
What Is Dark Matter?Dark matter is a form of matter thought to account for approximately 85% of the matter in the world. Dark matter consists of particles that do not absorb, reflect or emit light, so they cannot be detected by observing electromagnetic radiation. Dark matter is material that cannot be directly seen. We know dark matter exists because it affects objects we can directly observe.
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A certain vector A, of magnitude 4.68 units, points in a direction 30.7° to the left of the negative y-axis. Find Ax and Ay.
Answers
The x-component of A vector is - 2.39 unit.
The y-component of A vector is - 4.02 unit.
What is vector?Vector is a colloquial term that refers to some quantities that cannot be expressed by a single number (a scalar) or to elements of some vector spaces.
The magnitude of A vector is 4.68 unit.
The direction of A vector is 30.7° to the left of the negative y-axis.
So, A vector is in 3rd co-ordinate.
Hence, the x-component of A vector is = - Asin30.7°
= - 4.68 × sin30.7°
= - 2.39 unit.
Hence, the y-component of A vector is = - Acos30.7°
= - 4.68 × cos30.7°
= - 4.02 unit.
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If energy cannot be created or destroyed, where does it go?
Answers
Answer:
it transfers from one place to another.
Explanation:
let's take our example as money:
Money is neither created nor destroyed but it is transferred.
true or false: destructive interference is the result of superposition of waves in phase.
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False. Destructive interference is not the result of the superposition of waves in phase. Superposition is a term used to describe the phenomenon that occurs when two waves meet and combine to form a new wave.
The waveforms add together to create the new waveform, which has characteristics that are determined by the properties of the original waves.What is destructive interference?When waves meet and their waveforms are out of phase, destructive interference occurs. The amplitude of the resulting waveform is decreased, and the resulting waveform has a different shape than either of the original waveforms. Destructive interference, also known as out-of-phase interference, occurs when two waves meet and cancel each other out. When the waves are in phase, they combine to form a larger waveform with greater amplitude than either of the original waveforms. This is known as constructive interference.To conclude, destructive interference is not the result of the superposition of waves in phase. It occurs when two waves are out of phase and combine to create a new waveform that has a smaller amplitude than either of the original waveforms.
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Little kids at Newton's preschool are always dropping their lunch boxes on the floor,
causing the boxes to either break or pop open and spill lunches everywhere. Mrs.
Suki wants to get a new mat to put on the floor under the preschooler's cubbies that
will keep the lunch boxes from breaking when the kids drop them.
Mrs. Suki tested 2 different materials and this is what she found:
.
• The bare floor causes the lunch box momentum to decrease to 0 in 3 seconds.
• Material #1 causes the lunch box momentum to decrease to 0 in 1 second.
• Material #2 causes the lunch box momentum to decrease to 0 in 2 seconds.
Answers
Mrs. Suki is looking for a material to place on the floor under the preschooler's cubbies that will reduce the momentum of a dropped lunch box and prevent it from breaking.
What is preschooler's cubbies?A preschooler's cubby is a small, personal storage space designed for children to store their belongings at school, daycare, or a similar educational setting. It is typically an open shelf or cabinet with multiple compartments for each child to store their items.
Based on her testing, she found that Material #1 is the best option because it causes the lunch box momentum to decrease to 0 in the shortest amount of time, 1 second. Material #2 is a good option too, but it takes 2 seconds for the momentum to decrease to 0, which is slightly longer than Material #1. Therefore, Material #1 is the best choice for reducing the momentum of a dropped lunch box and keeping it from breaking.
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The mass of Pluto is 1.27 X 1022 kg. The radius of Pluto is 1,136,000 m. What would
be my weight on pluto if I have a mass of 85 kg?
Answers
The weight of a person on the planet Pluto with mass 85 kg is 52.36 N.
What is Pluto?
Pluto is a dwarf planet in the Kuiper belt, a ring of planets beyond Neptune's orbit. The ninth-largest and tenth-most massive object known to exist, it orbits the Sun directly. The largest trans-Neptunian object by volume, it is only slightly larger in mass than Eris. Like other Kuiper belt objects, Pluto is substantially smaller than the inner planets and is primarily made of ice and rock. The moon of Earth is only one-sixth the mass and one-third the volume of Pluto.
At first, lets calculate the acceleration due to gravity at Pluto:
The formula to calculate the acceleration due to gravity is:
\(a_g = G \times \frac{m}{r^2}\)
where, a = acceleration due to gravity, m = mass, r = radius, G = gravitational constant
The mass is 1.303 x 10^22 kg
The radius is 1.1883 x 10^6 m
G is 6.67408 x 10^-11 m^3/kg•s²
So
a = 6.67408 x 10^-11 m^3/kg•s^2 • 1.303 x 10^22 kg / (1.1883 x 10^6 m)^2
a = 8.69632624 x 10^11 m^3/s^2 / 1.41205689 x 10^12 m^2
a = 6.1586 x 10^-1 m/s² or 0.616 m/s²
Now, lets calculate the weight:
w = ma
where, w = weight, m = mass
putting the values in question, we get,
w = 85 (0.616)
w = 52.36 N
Note: Some correction in the value of mass and radius needs to be done in the question.
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Help me I need this now
Answers
Answer:
If the height of the ramp is changed at a different height then the speed of the car will change.
What is the frequency of a wave that has a period of 50 seconds?
Answers
Answer:
0.02 Hertz
Explanation:
Answer:
other answer is correct it is 0.02 Hz
Explanation:
all about Henry Mosléy?
Answers
Answer:
henry moseley was an english physicist, whose contribution to the science of physics was the justification from physical laws of the previous chemical concept of the atomic number. one of his developments were of moseley's law in x-ray spectra.
Explanation:
Calculate the answer to the correct
number of significant digits.
15.3 + 1.285
Answers
The coefficient of kinetic friction between a suitcase and the floor is 0.272. If the suitcase has a mass of 71.5 kg, how far can it be pushed across the level floor with 642 J of work? How much work is needed for a 73 kg runner to accelerate from rest to 7.7 m/s?
Answers
A suitcase's kinetic frictiοn cοefficient with the grοund is 0.272. the required wοrk is 2164 J.
What is Kinetic frictiοn?A fοrce acting between surfaces that are mοving is knοwn as kinetic frictiοn. A fοrce is applied in the οppοsite directiοn οf a bοdy's mοvement οn the surface. The kinetic frictiοn cοefficient between the twο materials will determine the fοrce's magnitude.
The relative speed at which the surfaces in cοntact are mοving is nοt a factοr in determining the amοunt οf kinetic frictiοn. Kinetic frictiοn is different frοm οther frictiοn-like phenοmena like air resistance and viscοus fοrce in this way.
Evaluating:
let the distance is d
Using wοrk energy theοrem:
wοrk dοne = u × m × g ×h
642 = 0.272 × 71.5 × 9.8 × d
d = 3.37 m
the suitcase can be pushed a distance οf 3.37 m fοr the wοrk dοne
wοrk needed = change in kinetic energy
wοrk needed = 0.5 × 73 × 7.7²
wοrk needed = 2164 J
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What is a specific example of a vector quantity? Why would this type of quantity be used to describe this event?
Answers
Answer:
Vector Quantities Increase/Decrease in Temperature - The measurement of the medium's temperature is a scalar quantity; the measurement of the increase or decrease in the medium's temperature is a vector quantity. Velocity - The measurement of the rate at which an object changes position is a vector quantity.
Answered by TurttlePrincess
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if light strikes the air/glass interface at an angle 32.0 degrees to the normal, what is the angle of reflection, θr ?
Answers
When light strikes the interface between air and glass at an angle of 32.0 degrees to the normal, we can determine the angle of reflection, θr, by applying the law of reflection. According to this law, the angle of incidence (θi) is equal to the angle of reflection (θr) when light travels from one medium to another.
Given that the incident angle (θi) is 32.0 degrees, we can conclude that the angle of reflection (θr) will also be 32.0 degrees. This is because the law of reflection states that the angle of incidence is equal to the angle of reflection.
The law of reflection holds true for any angle of incidence, as long as the light passes from one medium to another. It is a fundamental principle in optics that describes the behavior of light when it interacts with different surfaces.
In this case, since the light is traveling from air to glass, it will undergo reflection at the air/glass interface. The incident angle of 32.0 degrees will be preserved as the reflected angle.
Therefore, the angle of reflection, θr, in this scenario is 32.0 degrees.
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The question is “Which direction will the airplane move” plz help :,)
Answers
~PLUTO100
From the information in the picture, it's not possible to select any of the choices on the list.
-- Knowing the horizontal and vertical forces on the plane, we can't tell what direction it will move. We can only tell what direction it will accelerate.
The net horizontal force is (200N right) - (50N left).
. . . That's 150N to the right, so the plane accelerates to the right.
The net vertical force is (175N up) - (75N down).
. . . That's 100N upward, so the plane accelerates upward.
-- We can't tell the compass direction of the net force, because the picture doesn't tell us the compass direction of the horizontal forces.
Ionizing radiation is radiation of sufficient energy to produce charged atoms. All of these describe ionizing radiation. is radiation of sufficient energy to produce ions. is radiation of sufficient energy to remove electrons from atoms.
Answers
Answer:
Is radiation of sufficient energy to produce ions.
Is radiation of sufficient energy to remove electrons from atoms.
Explanation:
Ionization radiation is a radiation that travels at a high speed, and possesses sufficient speed to knock electrons off of an atom or a molecule, ionizing the atom. Ionization radiation can be made of travelling subatomic particles, or an electromagnetic wave with high energy, usually the types found at the end of the electromagnetic spectrum. Some subatomic particles that produce ionization are alpha particle, beta particles, and neutron. The electromagnetic waves with ionization abilities includes Gamma rays. -rays, and high energy ultraviolet rays.
The earth is compressed to keep one third of radius .Calculate the acceleration of the new earth.(acceleration due to gravity of the earth before it is compressed is 9.8m/s^2.
Answers
Answer: read your text book
Explanation:
1. Find the Work and the Power done to increase the velocity of a 9 kg ball from 14
m/s to 30 m/s in 4 s.
Answers
Answer:
65
Explanation:
because everyday my birthday
an electric bulb has power 500 watt. what does it means
Answers
Answer:
The bulb consumes electrical energy at the rate of 500 Watts
1 Watt = 1 Joule/sec where the joule is the unit of energy
Electric energy is often expressed in kw-hrs
This means that 1 kilowatt of power is used for 1 hour
1 kw-hr = 1000 joules/sec * 3600 sec = 3.6E6 joules of energy
During construction, a crane lifts a 2,000-newton weight to the top of a 50-meter-tall building. How much power must the crane have to perform this task in 5 seconds? Use commas where appropriate and round to the nearest tenth.
watts:
kilowatts:
horsepower:
Answers
Answer:
Work is defined as force thru a distance: W = F * S
Power is defined as Work per unit time P = W / t
So we an write: P = F * S / t = 2000 N * 50 m / 5 s = 20,000 N-m/s
Since a Joule/sec is equivalent to a Watt
The power required is 20,000 Watts or 20 Kw
Also, you can convert to Hp since 1 Hp = 746 Watts
What is the SI (metric) unit of FORCE?
A. meter
B. newton
Answers
What is the SI (metric) unit of FORCE?
B. newtonwith symbol ( N )
All the best !
Answer:
B, Newton,
Explanation:
B. Newton defined as the Force which when applied to 1 Kg mass produces an acceleration of 1 m/s/s.
F = m * a.