One degree of longitude at the equator is approximately 111 km. As we move north or south the size of a degree changes. What is the distance that each degree of longitude has at the poles?

Dawn® dishwashing liquid, original scent, comes in a 75 oz bottle. Dawn is a popular brand of dishwashing liquid that is known for its effectiveness in cutting through grease and cleaning dishes. The original scent refers to the fragrance of the dishwashing liquid. The 75 oz bottle is the size of the product.

To use the Dawn dishwashing liquid, follow these steps:
1. Fill the sink or a basin with warm water.
2. Squeeze a small amount of Dawn dishwashing liquid into the water. A little goes a long way, so you don't need to use too much.
3. Agitate the water with your hands or a sponge to create a soapy solution.
4. Place your dishes, utensils, or cookware into the soapy water.
5. Use a sponge or dish brush to scrub the items, making sure to remove any food particles or grease.
6. Rinse the dishes thoroughly with clean water to remove any soap residue.
7. Dry the dishes with a towel or allow them to air dry.
Remember to always follow the instructions on the bottle and use the dishwashing liquid as directed.

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The given statement "swinging a tennis racket against a ball is an example of a third-class lever" is TRUE.

A third-class lever is a class of lever where the input force is located between the fulcrum and the load. The fulcrum is the pivot point of the lever. The load is the weight or resistance that is being moved, lifted, or carried.The following are some examples of third-class levers: Sweeping with a broom. Tennis racket. Field hockey stick. Butter knife, etc. Thus, we can say that swinging a tennis racket against a ball is an example of a third-class lever.

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The correct statements are: "Total mechanical energy - kinetic plus potential -- (of A and B combined) is conserved" and "The reaction force between A and B is a conservative force."

When we ignore all friction forces, the only forces acting on the blocks are gravity, normal force, and the reaction force between the two blocks. In this case, the total mechanical energy, which includes both kinetic and potential energy, is conserved for the system of blocks A and B. This means that the sum of kinetic and potential energy remains constant throughout the motion of the blocks.

The reaction force between A and B is a conservative force. Conservative forces are those that do not depend on the path taken by an object, and their work is recoverable as mechanical energy. Since friction is ignored in this scenario, the reaction force between the two blocks does not dissipate any energy, which allows the total mechanical energy of the system to be conserved.

The reaction forces from A to B and B to A do not perform work in this case, as they act perpendicular to the direction of motion of the blocks. The reaction force from the ground on A also does not perform work, because it acts perpendicular to the motion of block A.

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Answer: wrong (kind of)

Explanation:

for a), the number of hydrogens are not balanced, and the type is a combustion

b is right

The estimated digit in each of the following measurements is the last digit that is uncertain or estimated.

1.5 cm - The main answer is 5, the last digit, is estimated.
0.0782 m - The main answer is 2, the last digit, is estimated.
4500 mi - The main answer is 0, there are no estimated digits.
42.50 g - The main answer is 0, the last digit, is estimated.
0.1 cm - The main answer is 1, the last digit, is estimated.
13.5 cm - The main answer is 5, the last digit, is estimated.
27.0 cm - The main answer is 0, there are no estimated digits.
164.5 cm - The main answer is 5, the last digit, is estimated.

Hence, the estimated digit in a measurement is the last digit that is uncertain or estimated. It is important to recognize the estimated digit when working with measurements to ensure accurate calculations.

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Answer:

soi nuevo

Explanation:me  regalan puntos

Answer:

15,200J

Explanation:

The equation is 1/2 x m x v², where m= mass and v= velocity.

Therefore, the correct option is D, where their path length differences are odd integer multiples of λ/2.

The correct answer to the given question is option D, where their path length differences are odd integer multiples of λ/2.In interference, two waves meet with each other, and the amplitude of the resultant wave depends on the phase difference between the two waves.

In the case of constructive interference, the phase difference between the two waves is a multiple of 2π, and in destructive interference, the phase difference is a multiple of π. For electromagnetic waves, destructive interference occurs when the path length difference between two waves is an odd integer multiple of half of the wavelength.

The expression for destructive interference can be written as follows:Δx = (2n + 1)λ/2Here, Δx represents the path length difference, n represents an integer, and λ represents the wavelength of the wave.Therefore, the correct option is D, where their path length differences are odd integer multiples of λ/2.

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The law of definite proportion states that any sample of the compound will always have the same percentage of each element by weight or mass.

There are four elements that made up matter: air, water earth, and fire is not the main idea of dalton's atomic theory.

The Law of Definite Proportion defines that the elements that composed a chemical compound are generally arranged in a definite mass ratio regardless of preparation.

The composition of compounds will always be the same by mass using the law of definite proportions. Chemical compounds are made of elements that are present at fixed ratios in terms of their mass.

In the nitrogen dioxide molecule (NO₂), Nitrogen and oxygen atoms are always present in a 1:2 ratio.

According to Dalton's atomic theory, all matter consists of atoms. The atoms of the same element have the same mass and the atoms of different have different masses and compounds are made of atoms of more than one element.

Therefore, for question (1) option (C) and for (2) option (C) is correct.

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The distance between two point charges of 70.0 nc and 9.50 n force is 48.0 mm.

Electricity force exists between two charged objects, as per Coulomb's law. It can be stated that the two charged particles attract or repel one another depending upon their charge. The force between two point charges can be calculated as F = k (q1q2)/r² Where F is the force in newtons, k is the Coulomb constant, q1 and q2 are the magnitudes of the charges, and r is the distance between the charges.

The distance between the two point charges can be calculated by substituting all the given values in the above formula. So, r² = k(q1q2)/F where k is the Coulomb constant whose value is 9 × 10^9 N·m²/C², q1 = q2 = 70.0 nC = 70 × 10^-9 C and F = 9.50 N. Substituting the values in the above formula, r² = 9 × 10^9 × (70 × 10^-9)^2 / 9.50 mm²r² = 34.01 mm²r = 5.83 mm. Therefore, the distance between two point charges of 70.0 nc and 9.50 n force is 48.0 mm.

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When a 20-cm-long stick of m = 0. 600 kg is lifted by a rope tied the magnitude of the normal reaction from the floor on the stick is 0.9055 N.

a force that applies perpendicularly to two surfaces that are in touch. It represents the force that is squeezing the two surfaces together. The value of limiting friction increases with the magnitude of the typical response force. The normal response force is equal in size to the weight but acts in the opposite direction if weight is the sole vertical force acting on an item that is laying or moving on a horizontal surface. Therefore, raising the weight causes more friction.

Substitute the required values to find the value of R.

R = 3/13(0.400)(9.81m/s²)

R = 0.9055 N.

Therefore, the normal reaction from the floor on the stick is 0.9055 N.

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Answer:

2.82 m/s²

Explanation:

\(v = u + at \\ 24 = 0 + a(8.5) \\ a = 2.82 \: ms {}^{ - 2} \)

The acceleration of a motorcycle is 2.82 m/s^2.

Acceleration is the rate at which speed and direction of velocity vary over time. A point or object going straight ahead is accelerated when it accelerates or decelerates.

Even if the speed is constant, motion on a circle accelerates because the direction is always shifting. Both effects contribute to the acceleration for all other motions.

Given that:

Initial velocity of the motor cycle: u = 0 m/s.

Final velocity of the motorcycle = 24 meter/second.

Time taken to reach this velocity = 8.5 second.

Hence, acceleration of the motor cycle = change in velocity/time interval

= ( final velocity - initial velocity)/time interval

= ( 24 m/s  - 0 m/s)/8.5 s

= 2.82 m/s^2.

Its acceleration is 2.82 m/s^2.

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Explanation:

Because they evolved rapidly, and moulted like other arthropods,trilobites serve as excellent index fossils, enabling geologists to date the age of the rock in which they are found

Hi there!

Since the string is light and there is no friction in the pulley, the acceleration of the system is equal to the acceleration of both blocks.

We can begin by summing the forces of each block:

Block on incline:

- Force of gravity (in the negative direction away from the acceleration)

- Force of Tension

∑F = -M₁gsinФ + T

Block hanging:

- Force of gravity (Positive, in direction of acceleration)

- Force of Tension (Negative, opposite from acceleration)

∑F = M₂g - T

Sum both of these net forces for each block:

∑Fт = -M₁gsinФ + T - T + M₂g

∑Fт = -M₁gsinФ + M₂g

Divide by the mass to solve for acceleration:

\(a = \frac{-M_1gsin\theta+M_2g}{M_1+M_2}\)

Plug in the given values:

\(a = \frac{-(15)(9.81)(sin20)+19(9.81)}{15+19} = 4.002 m/s^2\)

The magnitude of the acceleration of the 19-kg block is 4.0 m/\(s^{2}\).

The 15-kg block is accelerating down the ramp, and the 19-kg block is accelerating up. The string connecting the two blocks is taut, so it must be applying a force to both blocks. The force of the string on the 15-kg block is equal to the force of the string on the 19-kg block.

Let's call the force of the string on the 15-kg block T. We can use Newton's second law to write two equations for the acceleration of the two blocks:

For the 15-kg block: T - mg sin(θ) = 15a

For the 19-kg block: T = 19a

where:

m is the mass of the block

g is the acceleration due to gravity

θ is the angle of the ramp

a is the acceleration of the block

Plugging the second equation into the first equation, we get:

19a - mg sin(θ) = 15a

Solving for a, we get:

a = (mg sin(θ)) / (4m)

= (15 kg * 9.8  m/\(s^{2}\) * sin(20°)) / (4 * 15 kg)

= 4.0 m/\(s^{2}\)

Therefore, the magnitude of the acceleration of the 19-kg block is 4.0  m/\(s^{2}\).

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Answer:

Work is directly proportional to energy.

Explanation:

Work is said to be done when a body is displaced from one position to another. A force is required to make this displacement. This force applied is a kind of energy that is kinetic in nature. So when we displace an object by applying force, we are changing its kinetic energy to do the work.

Work Done = Change in Kinetic Energy.

Answer:

Explanation:

For this one I'd say D. Placing data into tables, charts, and graphs is the easiest way for scientists to quickly sort their dat...

The displacement is calculated to be a magnitude of 2,691.33 in a direction of 5.32.

The term "displacement" refers to a shift in an object's location. It is a vector quantity with a magnitude and direction. The symbol for it is an arrow pointing from the initial location to the ending place.

Distance is the length of any path connecting any two places. When measured along the shortest path between any two places, displacement is the direct distance between them.

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In practice, the concept of an infinitely long conductor is used as an approximation when the length of the conductor is much larger compared to other relevant distances in the system.

The assumption of an infinitely long conductor is a simplifying approximation used in certain physics and engineering problems. It allows for easier calculations and provides reasonably accurate results under certain conditions. However, in reality, no physical object can have infinite length.

The decision to treat a wire as infinitely long depends on the context and the specific problem being addressed. It is typically based on a comparison of the wire's length with other relevant dimensions in the system.

If the length of the wire is significantly larger compared to other distances involved, such as the distances between other conductors or the size of the magnetic field region of interest, then treating the wire as infinitely long may yield acceptable results.

However, if the length of the wire is comparable to or smaller than other relevant distances, a more precise analysis considering the finite length of the conductor becomes necessary. The level of accuracy required in the analysis also plays a role in deciding whether to treat the wire as infinite or finite.

In summary, the decision of whether a particular wire is long enough to be considered infinite depends on the specific problem and the relative magnitudes of the wire's length and other relevant distances in the system.

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Answer:

B. Tomatos reflect red light

Explanation:

The only reason colors exist is because the objects with color reflect all other light except for what they are portrayed as. White reflects all colors, and black absorbs all colors.

If you have any questions feel free to ask :)

Answer:

Explanation: the pigment atoms in the skin absorb photons of all energies except those that correspond to red wavelengths of light, which they reflect back to your eye.

B is more likely the answer

The second harmonic of a plucked guitar string is likely to be stronger than the first harmonic or fundamental when the string is plucked in the usual position because of the way the string vibrates. When the string is plucked, it vibrates not only as a whole but also in segments.

The second harmonic occurs when the string vibrates in two equal segments, which produces a higher frequency and a higher pitch.

In contrast, the fundamental frequency occurs when the string vibrates as a whole, which produces a lower frequency and a lower pitch. Because the string vibrates in segments more strongly than as a whole, the second harmonic is usually stronger than the fundamental frequency.

The second harmonic of a plucked guitar string is stronger than the first harmonic or fundamental when the string is plucked in the usual position because the string vibrates more strongly in segments than as a whole. When the string is plucked, it vibrates in segments and as a whole. The second harmonic occurs when the string vibrates in two equal segments, which produces a higher frequency and a higher pitch. In contrast, the fundamental frequency occurs when the string vibrates as a whole, which produces a lower frequency and a lower pitch. As the string vibrates in segments more strongly, the second harmonic is usually stronger than the fundamental frequency.

In conclusion, the second harmonic of a plucked guitar string is usually stronger than the fundamental frequency when the string is plucked in the usual position because the string vibrates more strongly in segments than as a whole. This occurs because the string vibrates in segments and as a whole when it is plucked, and the second harmonic occurs when the string vibrates in two equal segments, producing a higher frequency and a higher pitch.

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(A) The Flix takes 1.5 seconds to reach his top speed of 4 m/s. (B) Flix moved a distance of 3.75 meters while he was accelerating.

To solve this problem, we can use the equations of motion to calculate the time and distance traveled by Flix the cat.

To determine the time it takes for Flix to accelerate, we can use the equation;

v = u + at

Where;

v = final velocity (4 m/s)

u = initial velocity (1 m/s)

a = acceleration (2 m/s²)

t = time

Rearranging the equation, we have;

t = (v - u) / a

Substituting the given values;

t = (4 m/s - 1 m/s) / 2 m/s²

t = 3 m/s / 2 m/s²

t = 1.5 s

Therefore, Flix takes 1.5 seconds to reach his top speed of 4 m/s.

To determine the distance traveled while accelerating, we can use the equation;

s = ut + (1/2)at²

Where;

s = distance traveled

u = initial velocity (1 m/s)

t = time (1.5 s)

a = acceleration (2 m/s²)

Substituting the given values:

s = (1 m/s)(1.5 s) + (1/2)(2 m/s²)(1.5 s)²

s = 1.5 m + (1/2)(2 m/s²)(2.25 s²)

s = 1.5 m + (2 m/s²)(1.125 s²)

s = 1.5 m + 2.25 m

s = 3.75 m

Therefore, Flix moved a distance of 3.75 meters while he was accelerating.

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All three bulbs burn dimmer than the original two bulbs because the resistance increases and the brightness decreases. Therefore, option (A) is correct.

In a series combination of bulbs or resistors, the resistors are connected end-to-end. Consider two resistors, R₁ and R₂ which are connected with each other in a series combination then their effective resistance will be given by:

Total Resistance of the circuit, R =  R₁ + R₂

In a series combination, the current will flow through one bulb and then through another bulb. The same current flows through each bulb in one direction. The total voltage of the circuit is equal to the sum of all the voltage drops across the bulbs.

Potential difference, V  = V₁ + V₂

The voltage increases when we add a third bulb in a series, the All three bulbs will burn dimmer than the original two bulbs as the resistance increases.

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Answer:

Distance : 0.06533 meters or 65.33 mm

Explanation:

To solve this problem we can make the forces equal when the system is at equilibrium.

mass \(*\) gravity ( constant ) = spring constant

where l = the length at which the rubber band is stretched

0.2 kg \(*\) 9.8 m / s² = 30 N/m

1.96 kg \(*\) m / s² = 30 N/m

l = 1.96 kg \(*\) m / s² / 30 N/m = 0.06533 meters / 65.33 mm

The rubber band is stretched a distance of 0.06533 meters, or 65.33 mm.

Answer:

0.065

Explanation:

Apex i just got it right

Answer:

1. 4

2.0.625HZ

3.500

4. 428274940000000 or 4.2*10^14

5. 2

Explanation:

omnicalculator.com/physics/wavelength

Answer:

ans is 420ml

Explanation:

0.42L×1000ml

420ml

Explanation:

PE = KE

mgh = ½ mv²

v = √(2gh)

v = √(2 × 9.8 m/s² × 0.75 m)

v = 3.83 m/s

Answer:

Kelvin

Explanation:

Kelvin is the universal and scientific unit for temperature as Celsius and Fahrenheit temperatures we use in everyday situations

Answer:

hydrogen bonding between H atoms.

Explanation:

The force constant of the spring is 200.696 N/m & The height the object achieves when the spring releases its energy is 2.5087 m

The spring constant is the force needed to stretch or compress a spring, divided by the compressive or expansive distance. It's used to determine stability or instability in the spring, and therefore the system it's intended for. we know,

F = kx

Therefore,

k = F/x

We also know that the force being exerted on the spring is equal to the mass of the object. Hence, F = mg = 5.13 * 9.8 N = 50.174 N and we know compression due to the mass is 0.25m. Therefore,

K = 50.174/0.25 N/m

K = 200.696 N/m

Therefore, The Spring Constant is 200.696 N/m

On release, the spring potential energy gets converted to kinetic energy. Hence, on release, the height attained by the object is given by:

h = \(1/2 kx^{2}\)

We know that k=200.696 N/m and x=0.25 m. Therefore the height is:

h = \(1/2 (200.696 N/m)(0.25 m)^{2}\)

h = 2.5087 m

Therefore, the force constant of the spring is 200.696 N/m & The height the object achieves when the spring releases its energy is 2.5087 m

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Answer:

e.g. means "for example" but is physics is also stands for gravitational potential energy