The temperature scale which starts at absolute zero is the _____.Centigrade scale
Celsius scale
Fahrenheit scale
Kelvin scale

Answers

Answer 1

Answer: The temperature scale which starts at absolute zero is the Kelvin scale. The correct option in respect to the given question is the last option. William Thompson was the British scientist and inventor that invented the Kelvin scale. William Thompson was also popularly known as Lord Kelvin.His discovery of the Kelvin scale is considered one among the three best scales in use for measuring temperatures.Each measuring unit of this scale is never called a degree but a Kelvin. This specialized scale gives the option of measuring temperature in both centigrade and Fahrenheit.

Answer 2

Answer: the temperature that the scale starts at absolute zero is called the Kelvin scale

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In which type of wave do the particles in a medium move perpendicular to the direction that the wave moves? A.transverse waves

B.ocean waves

C.surface waves

D.longitudinal waves

Answers

This type of wave is a transverse wave. Transverse waves are always characterized by particle motion being perpendicular to wave motion. A longitudinal wave is a wave in which particles of the medium move in a direction parallel to the direction that the wave moves.

A pickup truck is carrying a toolbox, but the rear gate of the truck is missing. The toolbox will slide out if it is set moving. The coefficient of static and kinetic friction between the box and the level bed of the truck are 0.300 and 0.200, respectively. What is the greatest acceleration that the truck can have before the toolbox slides out?

Answers

Final answer:

The greatest acceleration that the truck can have before the toolbox slides out can be calculated by understanding the balance between the inertia force experienced by the toolbox due to acceleration (F = ma) and the maximum static friction force (fs(max) = μsN) opposing this motion. The truck can accelerate up to the point at which these two forces are equal.

Explanation:

The question relates to a concept in Physics known as Friction. In this scenario, the toolbox on the truck experiences static friction which keeps it from sliding. The maximum force of static friction can be calculated using the equation fs(max) = μsN, where μs is the coefficient of static friction and N is the normal force. In this case, μs is given as 0.300 and the normal force N equals the weight of the toolbox. The truck can accelerate up to the point where the frictional force equals the force caused by acceleration, which is calculated using the equation F = ma, where m is mass and a is acceleration.

When the truck accelerates, an inertia force acts on the toolbox in the opposite direction. This inertia force, F = ma, should not exceed the maximum static friction force, fs(max), otherwise, the toolbox will slide. Hence, with given values of static friction coefficient and mass of the toolbox, the greatest acceleration of the truck to prevent slipping can be calculated by equating the frictional force and inertia force.

Learn more about Friction here:

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Final answer:

The greatest acceleration that the truck can have before the toolbox slides out is 5.00 m/s².

Explanation:

The greatest acceleration that the truck can have before the toolbox slides out can be found by comparing the force of static friction to the force pushing the toolbox forward. In this case, the force of static friction must be equal to or greater than the force pushing the toolbox, which is the product of the mass of the toolbox and its acceleration. Given the coefficient of static friction of 0.300, the maximum force of static friction can be calculated. Using the equation fs <= μsN, where fs is the force of static friction, μs is the coefficient of static friction, and N is the normal force, we can substitute the values and solve for the maximum force of static friction which is 196 N. The maximum force of static friction is equal to the product of the mass of the toolbox and its acceleration, which gives us the equation fs = max = (50.0 kg)(5.00 m/s²) = 250 N. Therefore, the greatest acceleration that the truck can have before the toolbox slides out is 5.00 m/s².

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Which of these types of images is not possible with a diverging mirror? A) an image that is smaller than the object b)a inverted image c)a virtual image d)an image

Answers

Taking a shot in the dark here as i mostly deal with atomic structure and the fact i haven't handled a diverging mirror ut would it be a virtual image because that needs parallel normal lines which cannot occur

Which weather technology is used to gather pressure, wind speed, and other first-hand observations of hurricanes that are out at sea?

Answers

A weather technology is used to gather pressure, wind speed, and other first-hand observations of hurricanes that are out at sea is a weather station. A weather station is used on land and at sea to measure the different weather elements at various points or regions. They are equipped with a wide array of instruments that can either manually or automatically measure data.

Answer:

Recon-Aircraft

Explanation: It gathers Info firsthand.

what environmental conditions might cause damage to the alveolar sacs, and what would be the consequences of that damage?

Answers

Following are the major environmental conditions that might cause a damage to the alveolar sacs:

1. Air pollution
2. Dust storms
3. Smog
4. Smoke

The aforementioned conditions can cause temporary or permanent damage to alveolar sacs. Damages may include: building up fluid in the sacs and accumulation of dust particles in the sacs. The consequences of that may include coughing or preventation of oxygen (air supply) into the lungs.

Which of the following statements is true about the nature of light?A. Light behaves entirely as a particle
B. Light has properties of both particles and waves
C. Light behaves entirely as a wave
D. Light travels as a wave but does not carry energy ...?

Answers

Answer: The correct answer is "Light has properties of both particles and waves".

Explanation:

Light shows dual nature. It behaves as particle as well as waves.

Photoelectric effect is the phenomenon in which there is an emission of the electrons when the light of the particular frequency is incident on the surface of the metal.

The particle nature of the light is shown by photoelectric effect.

Reflection: Reflection is the phenomenon in which the light wave gets reflected from the surface without getting transmitted. It bounces back from the surface.

The wave nature of the light is shown by reflection.

Therefore, the correct option is (B).

If you build an experiment that responds to particles and shine light
into it, the light behaves like a stream of particles.

If you build an experiment that responds to waves and shine light
into it, the light behaves like a stream of waves.

B. Light has properties of both particles and waves

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A thin spherical glass shell in air is filled with an unknown liquid. A horizontal parallel light beam is incident on the shell and it is observed that the light is brought to focus on the surface of the shell directly opposite of the incoming beam. What is the refractive index of the liquid?ie. the answer is 2- I just don't know how they got there

An experiment is set up to measure the effect of a gasoline additive on fuel consumption rate (miles per gallon, or MPG). What would be the control in this experiment?

A carousel is spinning at a speed of 100 cm/s, with the outermost horse at a distance 5 m from the center.Calculate the inward force on the outermost horse, if it weighs 1.5 kg. A) 3 x 10-3 N B) 3 x 10-2 N C) 3 x 10-1 N D) 3 x 10 N

When discussing discordant and harmonious sound waves, which statement is false? A. Both types of waves are the result of component waves with different frequencies. B. Knowing the frequencies of the original waves is useful in determining if the result will be discordant or harmonious. C. Low ratios of the frequencies of the original and resultant waves indicate discordant waves. D. If the original waves combine to form irregular displacements of air, the sound will be discordant.