Ahmed fills a basket with shopping weighing 10 kg. How much work is being done on the shopping basket when he lifts it vertically by 1.5 m? (g= 9.8 m/s²)

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(b) comb induces a net dipole moment opposite to the direction of field.

When a comb rubbed with dry hair it's attracts pieces of piece of paper. This is because the comb that induces of the dipole net that of the moment thatopposite of the field. And, This happens the field dueing to charge of the comb induces of the dipole moment in the paper of the molecules in the dielectric.

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Answer:

Option B

Explanation:

When a comb is rubbed with dry hair it induces some charge or its get charged either positive or negative

As paper remains in neutral hence it attracts the paper

Hence option B is correct

The ideal mechanical advantage is 5.

Here, we have value larger radius , R = 20 cm and smaller radius = 4 cm

So, as per the problem, mechanical advantage will be 20/4 = 5.

A wheel and axle must be permanently joined in order to be considered a simple machine, and the wheel must by definition have a bigger radius than the axle. A point on the wheel moves a distance of 2 R whereas a point on the axle moves a distance of 2 r when you turn the wheel through a full revolution, which likewise causes the axle to turn through a full revolution.

The force you apply F R times the distance the point moves equals the effort W required to move a point on the wheel through one full revolution. Work is energy, and since energy must be conserved, a point on the axle must be subjected to a larger force F r because it moves a shorter distance.

The mathematical relationship is:

W = Fr (subscript) ×2πr/θ =F r(subscript) ×2πR/θ

Where ​θ​ is the angle that the wheel is turned.

And therefore:

Fr(r in subscript) / FR(R in subscript) = R/r

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The kangaroo's horizontal speed will be 9.7 m/s and its departure speed will indeed be 10.65 m/s.

By observing the pace at which this compressed region moves through the medium, we may determine the sound speed. The sound wave travels at a speed of around 343 meters per second in low humidity at 20 degrees Celsius.

The following equation relates the distance to the direction and initial velocity:

d = [v₀²sin2θ]/g, where θ – the angle of the jump.

Thus, v₀² = gd / (sin2θ) = (9.8×8)/0.69 = 113.62

v₀ = 10.65 m/s ( the take off speed).

The horizontal velocity equals:

vₓ = v₀cos 22° = 10.65 m/s × 0.92 = 9.7 m/s

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The time constant (in ms) of the RC circuit is 3.75 ms. Hence, the correct option is  (d) 3.75 ms.

The rate of decay of the current in a charging capacitor is proportional to the current in the circuit at that time. Therefore, it takes longer for a larger current to decay than for a smaller current to decay in a charging capacitor.A capacitor is discharged through a 20.0 Ω resistor.

The discharge current decreases to 22.0% of its initial value in 1.50 ms. We can obtain the time constant of the RC circuit using the following formula:$$I=I_{o} e^{-t / \tau}$$Where, I = instantaneous current Io = initial current t = time constant R = resistance of the circuit C = capacitance of the circuit

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The time constant of the RC circuit is approximately 0.674 m s.

To determine the time constant (τ) of an RC circuit, we can use the formula:

τ = RC

Given that the discharge current decreases to 22.0% of its initial value in 1.50 m s, we can calculate the time constant as follows:

The percentage of the initial current remaining after time t is given by the equation:

I(t) =\(I_oe^{(-t/\tau)\)

Where:

I(t) = current at time t

I₀ = initial current

e = Euler's number (approximately 2.71828)

t = time

τ = time constant

We are given that the discharge current decreases to 22.0% of its initial value. Therefore, we can set up the following equation:

0.22 =\(e^{(-1.50/\tau)\)

To solve for τ, we can take the natural logarithm (ln) of both sides:

ln(0.22) = \(\frac{-1.50}{\tau}\)

Rearranging the equation to solve for τ:

τ = \(\frac{-1.50 }{ ln(0.22)}\)

Calculating this expression:

τ ≈ 0.674 m s

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A structural deficit is a budgetary deficit that results from a fundamental mismatch between a government's expenses and its revenues in the long term. A structural deficit is distinguished from the cyclical deficit, which arises from fluctuations in economic growth.

The structural deficit acts as an automatic stabilizer and increases during recessions. The automatic stabilizer refers to any action or mechanism that assists to reduce the swings in an economy without any intervention from policymakers. One instance of an automatic stabilizer is unemployment compensation. This is because, in an economic downturn, unemployment compensation is increased automatically, which, in turn, improves consumer spending. Structural deficits occur when government spending exceeds revenue collections, which is frequently the result of increased spending or decreased income. In certain cases, the structural deficit is the consequence of a tax system that does not generate sufficient revenue to cover government expenditures. A structural deficit remains the same at full employment and is not the same as a cyclical deficit.

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Answer i dont even know im just putting this cus id ont care

Explanation:

Answer:

The shape is that of an ellipse with the center of rotation of the planet at one focus of the ellipse.

The Earth about the Sun is very nearly circular (around 91-93 million miles) and the eccentricity of the ellipse is very small.

The form was of an ellipse, with the planet's center of rotation at one of its loci. The eccentricity of the ellipse that the Earth forms around the Sun are incredibly small (between 91 and 93 million miles).

A huge, spherical celestial object that is neither a star it nor remnant is called a planet. The nebular hypothesis, which holds how an interstellar cloud collapses out of a nebula to produce a young protoplanetary disc encircled by a planetary system, is the best theory currently available for explaining planet formation.

The slow accumulation of matter propelled by gravity—a process known as accretion—leads to the formation of planets in this disk. The rocky planets Mercury, Venus, Earth, and Mars, as well as the gigantic planets Jupiter, Saturn, Uranus, and Neptune, make up the Solar System's required amount of eight planets.

Each of these planets revolves around an axis that is inclined with regard to its orbit pole.

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Answer:

in order to know the length of something

The coefficient of kinetic friction between the block and the horizontal surface is 0.051.

The given parameters;

The acceleration of the block is calculated as follows;

\(v^2 = u^2 + 2(-a)s\\\\v^2 = u^2 - 2as\\\\a = \frac{u^2 - v^2}{2s} \\\\a = \frac{3^2 - 0^2}{2\times 9} \\\\a =0.5 \ m/s^2\)

The coefficient of kinetic friction between the block and the horizontal surface is calculated as follows;

\(\mu_k mg = ma\\\\\mu_k = \frac{a}{g} \\\\\mu_k = \frac{0.5}{9.8} \\\\\mu_k = 0.051\)

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Answer:

The charges developed due to friction​ is discussed below in detailed explanation.

Explanation:

The triboelectric charging method (also identified as, charging by friction) appears in a variation of electrons among the two articles that are rubbed collectively. ... As an outcome, the atoms of rubber extract electrons from the atoms of the creature coat, leaving both articles with an asymmetry of charge.

For the first question, when contact is made with the battery, the voltage across the capacitor is initially zero because it has not yet had time to charge. So the correct answer is (d) zero.
For the second question, the voltage across the resistor in a series circuit is the same as the battery's terminal voltage. So the correct answer is (c) equal to the battery's terminal voltage.
For the third question, based on the given information that the electron experiences a magnetic deflection in the -y direction, we can apply the right-hand rule for the direction of the magnetic force on a moving charged particle. If the force is in the -y direction, then the magnetic field must point in the direction opposite to the force, which is the (e) -y-axis.
For the fourth question regarding the current direction in the loop, since the current in a wire produces a magnetic field, and the bar magnet and the loop repel each other, the current must be arranged in a way that creates a magnetic field that opposes the magnet's field. This is achieved by having the current flow in at the top and out at the bottom of the loop, so the correct answer is (b) in at the top, out at the bottom.

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Deposition is when a gaseous state changes to solid state by escaping liquid state. So I think it is 3. Liquid glass cools and hardens

Answer:

d

Explanation:

radiation

Answer:

I would say option D is the answer

The potential difference between A and B is -586.02 V, when the potential energy increases by 0.218 J.

The potential difference between A and B is determined as follows;

W = qΔV

where;

The potential difference between A and B is calculated as follows;

ΔV = W/q            

(U = -W) and U = 0.218 J

ΔV = -0.218/(3.72 x 10⁻⁴)

ΔV = -586.02 V

Thus, the potential difference between A and B is -586.02 V, when the potential energy increases by 0.218 J.

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Answer:

-586.02

Explanation:

Acellus

Answer:

The formula for potential energy depends on the force acting on the two objects. For the gravitational force the formula is P.E. = mgh, where m is the mass in kilograms, g is the acceleration due to gravity (9.8 m / s2 at the surface of the earth) and h is the height in meters.

Answer:

Explanation:

0.1

Answer:true

Explanation:

Answer: False

Explanation: An easy way to think of independent and dependent variables is, when you're conducting an experiment, the independent variable is what you change, and the dependent variable is what changes because of that.

Answer:

They are temperature, atmospheric pressure, wind, humidity, precipitation, and cloudiness. Together, these components describe the weather at any given time.

Answer:

the SI unit of work or energy, equal to the work done by a force of one newton when its point of application moves one meter in the direction of action of the force, equivalent to one 3600th of a watt-hour.

Explanation:

Joule, unit of work or energy in the International System of Units (SI); it is equal to the work done by a force of one newton acting through one metre. Named in honour of the English physicist James Prescott Joule, it equals 107 ergs, or approximately 0.7377 foot-pounds.

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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Approximately 1377.46 N of force is required on the input piston to lift the car weighing 1.80 × \(10^{4}\) N.

The force required on the input piston of the hydraulic jack can be calculated using the principle of Pascal's law, which states that the pressure exerted in a fluid is transmitted equally in all directions.

The ratio of the output force to the input force is equal to the ratio of the output piston area to the input piston area:

Force (output) ÷ Force (input) = Area (output) ÷ Area (input)

We can rearrange this equation to solve for the input force:

Force (input) = Force (output) × (Area (input) ÷ Area (output))

Given that the weight of the car is 1.80 × \(10^{4}\) N, the output force is 1.80 × \(10^{4}\) N. The input piston area is 0.0540 \(m^{2}\), and the output piston area is 0.710 \(m^{2}\).

Plugging these values into the equation, we have:

Force (input) = (1.80 × \(10^{4}\) N) × (0.0540 \(m^{2}\) ÷ 0.710 \(m^{2}\))

Simplifying the expression gives us:

Force (input) ≈ 1377.46 N

Therefore, approximately 1377.46 N of force is required on the input piston to lift the car weighing 1.80 × \(10^{4}\) N.

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Thevenin's and Norton's equivalent circuits are two methods of representing a resistor network with an equivalent circuit that has a single voltage source and a single impedance.

The Thevenin equivalent circuit consists of a voltage source and a resistor in series, where the voltage source represents the open-circuit voltage of the network and the resistor represents the total impedance seen looking back into the network from the load terminals.

The Norton equivalent circuit consists of a current source and a resistor in parallel, where the current source represents the short-circuit current of the network and the resistor represents the impedance of the network.

Both equivalent circuits provide the same information about the network's behavior and can be used interchangeably in analysis, but the Thevenin equivalent circuit is often more useful for determining the behavior of a network under different load conditions, while the Norton equivalent circuit is often more useful for analyzing the behavior of a network in terms of its internal characteristics.

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A)

The moon orbiting the Earth

Answer:

C- 96 m

Explanation:

d= st

d= 8 m/s x 12 seconds

d= 96 metres

Answer:

I = 1.62 w/m^2

Explanation:

wavelength = 625 nm

position of screen = 3.00 m past the slit

Determine the intensity of the light

I = \(I_{0} ( sin\frac{\beta }{2 } /\frac{\beta }{2} )^2\)  

β = 2π*Dsin∅ / л

\(I_{0}\)  = 2

Attached below is the remaining part of the solution

Answer:

Mechanical energy :)

Explanation:

In order for energy to be conserved, the energy released must be equal to heat energy lost in the process.

The principle of conservation of energy states that, the total energy in a system is always conserved.

M = P.E + K.E

where;

Thus, in order for energy to be conserved, the energy released must be equal to heat energy lost in the process.

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Answer:

The momentum of the van before the collision can be calculated as:

momentum = mass x velocity

momentum = 1200 kg x 8 m/s

momentum = 9600 kg⋅m/s

Therefore, the momentum of the van before the collision was 9600 kg⋅m/s.

After the collision, the van came to a stop, which means its final velocity was 0 m/s. The momentum of the van after the collision is:

momentum = mass x velocity

momentum = 1200 kg x 0 m/s

momentum = 0 kg⋅m/s

Therefore, the momentum of the van after the collision was 0 kg⋅m/s.

The change in momentum of the van can be calculated as:

change in momentum = final momentum - initial momentum

change in momentum = 0 kg⋅m/s - 9600 kg⋅m/s

change in momentum = -9600 kg⋅m/s

Therefore, the change in momentum of the van was -9600 kg⋅m/s.

The force that acted on each driver can be calculated using the formula:

force = change in momentum/time

force = (-9600 kg⋅m/s) / (0.3 s)

force = -32000 N

The negative sign indicates that the force acted in the opposite direction to the motion of the van.

Therefore, the force that acted on each driver was 32000 N.

Explanation: