How far will a 50 N crate be moved if 500 J of work are accomplished?

The approximate diameter of the circle with a circumference of 26 5/7 ft is 59 11/22 ft.

To find the approximate diameter of the circle, we can use the formula:

Circumference = π * diameter

Given that the circumference of the circle is 26 5/7 ft, we can substitute the value of π as 22/7:

26 5/7 = (22/7) * diameter

To solve for the diameter, we need to isolate it. Let's convert the mixed number 26 5/7 to an improper fraction:

26 5/7 = (7 * 26 + 5) / 7 = (182 + 5) / 7 = 187 / 7

Now, we can rewrite the equation:

187 / 7 = (22/7) * diameter

To solve for the diameter, we can cross-multiply:

187 * 7 = 22 * diameter

1309 = 22 * diameter

Dividing both sides by 22:

diameter = 1309 / 22

Simplifying the fraction:

diameter = 59 11/22 ft

Therefore, the approximate diameter of the circle is 59 11/22 ft.

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Answer:

1) when an acid and a base react to form water and a salt and involves the combination of H+ ions and OH- ions to generate water

2) sulfur dioxide and nitrogen oxides

3)mixtures of sodium bicarbonate,magnesium hydroxide, calcium carbonate

4)

A) sulfuric acid

B) calcium ammonium nitrate

C) calcimine, kalsomine, calsomine, or lime paint

D) ammonium hydroxide

5)

A) Na2SO4 + H2O

B) NaCl + H2O + CO2

6) I can't find anything to help with the answers

7)

A) Can't find any thing

B) copper oxide

Answer:

B. Increase in proportion to the wavelength of a wave.

Explanation:

An electromagnetic spectrum refers to a range of frequency and wavelength that an electromagnetic wave is distributed or extends. The electromagnetic spectrum comprises of gamma rays, visible light, ultraviolet radiation, x-rays, radio waves, and infrared radiation.

Electromagnetic waves is a propagating medium used in all communications device to transmit data (messages) from the device of the sender to the device of the receiver.

Generally, the most commonly used electromagnetic wave technology in telecommunications is radio waves.

Radio waves can be defined as an electromagnetic wave that has its frequency ranging from 30 GHz to 300 GHz and its wavelength between 1mm and 3000m. Therefore, radio waves are a series of repetitive valleys and peaks that are typically characterized of having the longest wavelength in the electromagnetic spectrum.

Wavelength is simply the distance from one peak of an electromagnetic wave to the next peak. This distance is also equal to the distance from one trough of a wave to another.

Mathematically, wavelength is calculated using this formula;

\( Wavelength = \frac {speed}{frequency} \)

Hence, the waves in the electromagnetic spectrum have a speed that increase in proportion to the wavelength of a wave.

Answer:

Science of Genetics..

Explanation:

Through his careful breeding of garden peas, Gregor Mendel discovered the basic principles of heredity and laid the mathematical foundation of the "science of genetics".

Gregor Johann Mendel related to the science of genetics.

Gregor Johann Mendel was an Austrian monk and scientist born on July 20, 1822, and died on January 6, 1884. Mendel is known for his groundbreaking work on pea plants, which led him to discover the fundamental laws of inheritance, known as Mendelian genetics.

He conducted a series of experiments on pea plants in the mid-19th century, observing the transmission of traits from one generation to the next and discovering the principles of dominant and recessive inheritance. Mendel's work was largely unrecognized during his lifetime but later became the foundation of modern genetics and greatly influenced the development of the field of biology.

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A weight known as a counterweight is one that stabilizes and balances a mechanical system by exerting an opposing force.

A counterweight's function is to speed up and improve the efficiency of lifting the load, which conserves energy and reduces wear and tear on the lifting apparatus. A weight known as a counterweight is one that stabilizes and balances a mechanical system by exerting an opposing force.

To lift loads up to 120 tons, tower cranes are utilized at large building sites. In a tower crane, a fixed and a moveable counterweight are held by two arms that extend from the center of the structure. For the purpose of balancing the load, the operator moves the mobile counterweight.

For the purpose of providing offset forces in the flight controls, counter weights are used. With less pressure needed to move the controls, this gives them better "feel" and "feedback" forces.

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A counterweight should  be moveable so as to make lifting the load in a faster and more efficient manner.

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Answer:

Average speed = 2.5 mph

Distance = 22.352 meters

Explanation:

Calculate speed, distance or time using the formula d = st, distance equals speed times time.

Calculate speed, distance or time using the formula d = st, distance equals speed times time.

You can use this formula for any question like this

Answer:

Wave speed and wavelength

Explanation:

Answer:

Explanation:

Given:

V = 15 m/s

a = 2 m/s²

__________

A) t - ?

B) D - ?

С) V₁ - ?

   V₂ - ?

A) Willy equation of motion:

X₁ = V·t

Wheeler's equation of motion:

X₂ = a·t² / 2

X₁ = X₂

V·t = a·t² / 2

V = a·t / 2

Time:

t = 2·V / a = 2·15 / 2 = 15 s

B)

Distance:

D = a·t² / 2 = 2·15² / 2 = 225 m

C)

Speed Willy:

V₁ = 15 m/s

Speed Wheeler:

V₂ = a·t = 2·15 = 30 v/s

V₂ > V₁

Tube 2 and tube 3 contain amylase, starch, and pH 7.0 buffer. The reason why they appear to have the same amount of starch digested may be due to the fact that the pH of the buffer is maintained at 7.0 in both tubes.

The optimal pH for amylase is around 6.7-7.0, which means that the enzyme works best in a slightly basic environment. As both tubes have the same pH, the amylase enzyme in both tubes is able to effectively hydrolyze the starch substrate into simpler sugars, resulting in similar levels of starch digestion.

It is also possible that the amylase concentration or reaction time is controlled and standardized in both tubes, which would result in similar levels of starch digestion. In any case, further testing and analysis would be required to confirm the exact reason why tube 2 and tube 3 appear to have the same amount of starch digested.

The complete question is:
tube 2 (amylase, starch, pH 7.0 buffer) appears to have the same amount of starch digested as tube 3 (amylase, starch, pH 7.0 buffer) because

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Yes, the forced oscillations of a system will depend on their natural frequency.

This is because the natural frequency represents the frequency at which the system will oscillate with maximum amplitude when subjected to a disturbance. When a system is subjected to a forcing function, such as an external periodic force, the amplitude of the system's oscillations will depend on the frequency of the forcing function relative to the system's natural frequency.

If the frequency of the forcing function is close to the natural frequency of the system, the amplitude of the oscillations will be large, and the system will experience resonance. On the other hand, if the frequency of the forcing function is significantly different from the natural frequency of the system, the amplitude of the oscillations will be smaller.

Therefore, the forced oscillations of a system are highly dependent on their natural frequency.

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Answer:

3 m/s

Explanation:

First, find the time it takes to land.

Given in the y direction:

Δy = 0.8 m

v₀ = 0 m/s

a = 10 m/s²

Find: t

Δy = v₀ t + ½ at²

0.8 m = (0 m/s) t + ½ (10 m/s²) t²

t = 0.4 s

Next, find the velocity needed to travel 1.2 m in that time.

Given in the x direction:

Δx = 1.2 m

a = 0 m/s²

t = 0.4 s

Find: v₀

Δx = v₀ t + ½ at²

1.2 m = v₀ (0.4 s) + ½ (0 m/s²) (0.4 s)²

v₀ = 3 m/s

The horizontal displacement from the firing position to the point of impact is approximately 2,425 meters. The projectile hits the ground with a speed of approximately 230.4 meters/second.

To calculate the horizontal displacement of the projectile, we need to find the time of flight and then multiply it by the horizontal component of the initial velocity.

Step 1: Find the time of flight

Using the given initial muzzle speed and launch angle, we can find the time of flight. The vertical component of the initial velocity can be determined by multiplying the initial speed by the sine of the launch angle. Since the projectile is launched from a height of 4 meters, the time it takes for the projectile to reach the ground can be calculated using the equation h = ut + (1/2)gt^2, where h is the height, u is the initial vertical velocity, g is the acceleration due to gravity, and t is the time of flight. Plugging in the known values, we get 4 = (370 * sin(40))t - (1/2)(9.8)t^2. Solving this equation yields t ≈ 7.28 seconds.

Step 2: Calculate the horizontal displacement

The horizontal component of the initial velocity can be found by multiplying the initial speed by the cosine of the launch angle. The horizontal displacement is then given by multiplying the horizontal component of the initial velocity by the time of flight. Therefore, the horizontal displacement is approximately 370 * cos(40) * 7.28 ≈ 2,425 meters.

Step 3: Determine the speed at impact

To find the speed at which the projectile hits the ground, we need to calculate the vertical component of the velocity at the time of impact. The vertical component of the velocity can be determined by multiplying the initial speed by the sine of the launch angle and subtracting the product of the acceleration due to gravity and the time of flight.

Thus, the vertical component of the velocity at impact is given by 370 * sin(40) - 9.8 * 7.28 ≈ -230.4 meters/second. The negative sign indicates that the velocity is directed downwards. Therefore, the speed at which the projectile hits the ground is approximately 230.4 meters/second.

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Answer:

1754.3 m

Explanation:

331*5.3=1754.3

Answer: The authors had to completely rewrite this chapter on planetary system formation because scientific knowledge and understanding of the topic have advanced significantly since the first edition of the textbook came out in 1993. For example, we now have a better understanding of how different planets form and the role of collisions in the formation of a solar system.

Why have the authors had to completely rewrite this chapter on planetary system formation?

The authors have had to completely rewrite this chapter on planetary system formation because of the new discoveries made in the field of astronomy. Over the years, several discoveries have been made, which have changed our understanding of how planets form.

There are various methods by which planets can form, and new discoveries have been made in this area, which are in conflict with the previously accepted theories.

As a result, the authors had to rewrite the chapter to incorporate these new discoveries and theories. This ensures that the textbook remains up-to-date and accurate.

A textbook on planetary system formation was published in 1993. Since then, several discoveries have been made in the field of astronomy. As a result, the authors have had to completely rewrite this chapter on planetary system formation.

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Answer:

repetitions of a certain exercise

Explanation:

Answer:

concepts of inertia and gravity

Answer: Flexibility allows people to do everyday activities independently

Explanation:

hope this helps

Answer:

I think the correct answer from the choices listed above is option A. The correct arrangement of the substances according to the most to the least ordered particle arrangement should be wood, water and neon gas. Wood should be the first since it is solid which has the most ordered structure as compared to the liquid and a gas. The neon gas is the last since as a gas it has the least ordered structure.

Answer:

A) wood, water, neon gas

Explanation:

wood, water, neon gas.

The particles of solids have an arrangement that is highly ordered and regular. Liquids have an arrangement that is less ordered, and the particle arrangement in gases is the least ordered and regular of the three states of matter.

tell me if im wrong .... hope this helps :)

cause there's no gravity therefore they appear weightless

The force needed to stretch a wire depends on its properties, specifically its Young's modulus, cross-sectional area, and the amount of stretch applied.

Assuming that the wires have the same Young's modulus and are stretched by the same amount, we can use the following formula to calculate the force needed:

F = (Y * A * delta_L) / L

where F is the force needed, Y is the Young's modulus, A is the cross-sectional area, delta_L is the amount of stretch applied, and L is the original length of the wire.

Since the second wire is twice as long and has twice the diameter of the first wire, its cross-sectional area is four times greater than the first wire. Therefore, we can calculate the force needed for the second wire as follows:

F_2 = (Y * 4A * delta_L) / (2L)

F_2 = (2Y * A * delta_L) / L

where F_2 is the force needed for the second wire.

Since the second wire has the same material and Young's modulus as the first wire, we can simplify the equation further:

F_2 = 2F_1

where F_1 is the force needed to stretch the first wire by the same amount.

Therefore, the force needed to stretch the second wire by 1.0 mm is twice the force needed to stretch the first wire by the same amount.

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Answer:

you add

Explanation:

you should add the forces since they act in the same direction as that you'll resolve the two forces

C) the visible light from planets will be blocked by interstellar dust along our line of sight while the IR radiation will not

The essential reason why it is way better to rummage around for extrasolar planets straightforwardly utilizing infrared radiation instead of obvious radiation is that interstellar tidy can square obvious light, but not infrared radiation.

As light voyages through space, it can experience tidy particles that scramble and assimilate the light.

This could make it troublesome to identify planets that are found behind interstellar clean clouds. In differentiation, infrared radiation can enter through tidy clouds, permitting us to watch planets that would be imperceptible in unmistakable light.

Additionally, a few planets emit more infrared radiation than they reflect in obvious light, making them simpler to identify within the infrared spectrum.

Usually particularly true for gas monster planets, which are exceptionally hot and radiate a parcel of infrared radiation.

In any case, this can be not the essential reason why it is way better to rummage around for extrasolar planets utilizing infrared radiation.

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In relation to line locators, conductive refers to a direct connection between the pipe and transmitter. Conductive locating involves connecting a transmitter to a metallic pipe or cable and then using a receiver to detect the signal transmitted through the pipe or cable.

The transmitter sends an electrical signal through the conductive material, which is then picked up by the receiver. This technique is particularly useful when locating pipes or cables that are buried underground or hidden behind walls. By using conductive locating, line locators can accurately determine the location, depth, and direction of the pipe or cable. In contrast, an indirect connection with radio waves, as in option B, is referred to as inductive locating, which involves detecting the electromagnetic field around the pipe or cable. While inductive locating can be useful in some situations, such as locating non-conductive pipes or cables, it is less accurate than conductive locating. Overall, conductive locating is a key technique used by line locators to accurately and efficiently locate buried or hidden pipes and cables.

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Explanation:

Veins carry deoxygenated blood from different parts of the body to our heart. ... Since a larger volume of blood is collected in the right auricle than that of the left auricle, right auricle is larger than the left auricle.

Answer:

Weight of the pile of boxes as I think

Answer:

Explanation:

Reactants

BaSO4 has 4 oxygens and only 1 sulfur. That's a good thing to notice.

H2SO4 has 4 oxygens and only 1 sulfur.

The reactants have 4 + 4 oxygens = 8 oxygens.

Products

It is right, but you might struggle a bit with the answer.

Notice that HSO4 is in brackets followed by a two

(HSO4)2        

When the 2 is outside the brackets, everything inside the brackets get's doubled.

There are 2 Hs

There are 2 Ss

There are 4 * 2 Oxygens = 8 oxygens, some as the reactants.

Break the product into simplified form

\(\\ \sf\longmapsto Ba(HSO_4)_2\)

\(\\ \sf\longmapsto BaH_2S_2O_8\)

Oxygen on products side=8

#2.

Oxygen on reactant side=4+4=8atoms

The diffusion length can be calculated using the formula Ld = √(Dτ), where D is the diffusion coefficient and τ is the carrier lifetime. Once the diffusion length is calculated, we can check if W/L < Ld to determine if the device is in the diffusion-limited regime.

The diffusion length is a measure of how far carriers can diffuse through a material before recombining. If the device is in the diffusion-limited regime, the diffusion length will be shorter than the device dimensions. In this case, we can calculate the diffusion length using the formula:

Ld = √(Dτ), where D is the diffusion coefficient and τ is the carrier lifetime. Once we have calculated the diffusion length, we can compare it to the device dimensions by calculating the aspect ratio W/L. If W/L is less than the diffusion length, the device is in the diffusion-limited regime.

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ANSWER:

15.38°

STEP-BY-STEP EXPLANATION:

Just before the sculpture begins to fall, the sculpture's net torque must be zero since the sculpture is in static equilibrium at that instant. Take the torque about point D (at the point where one side of the square base is attached to the surface) and solve:

The angle is 15.38°

Answer:

10

Explanation:

Sana tama po yan hahaha

Answer:

\(\boxed {\boxed {\sf 7500 \ Newtons }}\)

Explanation:

Force is the product of mass and acceleration.

\(F=ma\)

The mass of the sports car is 1500 kilograms and the acceleration is 5.0 meters per square second.

\(m=1500 \ kg \\a= 5 \ m/s^2\)

Substitute the values into the formula.

\(F= 1500 \ kg * 5 \ m/s^2\)

Multiply.

\(F= 7500 \ kg*m/s^2\)

\(F= 7500 \ N\)

The force acting on the sports car is 7500 Newtons.

Answer:

You pull on the oars. By the third law, the oars push back on your hands, but that’s irrelevant to the motion of the boat. The other end of each oar (the blade) pushes against the water. By the third law, the water pushes back on the oars, pushing the boat forward.