the working end of an explorer is a that is circular in cross section and tapers to a fine sharp point.
False. The working end of an explorer is not circular in cross-section and does not taper to a fine sharp point.
An explorer is a dental instrument commonly used by dentists and hygienists for examining teeth and detecting dental caries or cavities. The working end of an explorer typically has a thin, flexible metal tip that is not circular in cross-section. Instead, it usually has a pointed or hook-shaped design. The tip is specifically designed to allow the dentist or hygienist to feel for any irregularities on the tooth surface, such as roughness or areas of decay.
The pointed or hook-shaped tip allows for better tactile sensitivity and enhances the ability to detect subtle changes in the tooth structure. The thinness of the explorer tip helps in accessing narrow spaces and tight areas between teeth. Therefore, the working end of an explorer is not circular in cross-section and does not taper to a fine sharp point; rather, it has a specialized shape designed for dental examinations and caries detection.
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what has to increase in order for an object to accelerate?
Answer:
Answer: B. Explanation: For an object to accelerate the force on it must be increased. According to Newton's second law of motion.
Explanation:
I do Accelerate to good luck
An unknown sample has a mass of 38.00 g and a volume of 56.39 ml. Calculate the density in g/ml. Provide your answer with 2 decimals. Show your work
The density of the unknown sample is 0.67 g/ml.
To calculate the density, we use the formula:
Density = Mass / Volume
Mass = 38.00 g
Volume = 56.39 ml
Substituting the values into the formula:
Density = 38.00 g / 56.39 ml
Dividing the mass by the volume, we find:
Density = 0.674 g/ml
Rounding to two decimal places, the density of the unknown sample is 0.67 g/ml.
Density is a measure of how much mass is contained within a given volume. In this case, we are given the mass of the unknown sample as 38.00 g and its volume as 56.39 ml. To find the density, we divide the mass by the volume. By performing the calculation, we obtain a density of 0.674 g/ml.
When rounding the value to two decimal places, the density of the unknown sample is 0.67 g/ml. This means that for every milliliter of the sample, there is 0.67 grams of mass. Density is an important property in chemistry and materials science as it can help identify substances and determine their behavior in various applications.
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what restriction applies to a large, turbine-powered airplane operating to or from a primary airport in class b airspace?
When a large, turbine-powered airplane is operating to or from a primary airport in Class B airspace, it is subject to certain restrictions.What restriction applies to a large, turbine-powered airplane operating to or from a primary airport in class b airspace?Restrictions on air traffic operating within Class B airspace,
which is generally the airspace surrounding the busiest airports in the United States, apply to large, turbine-powered aircraft operating to or from a primary airport. To ensure separation between airplanes, ATC will issue pilots of large turbine-powered aircraft a specific time to start descent.ATC clearance is required for all aircraft, including helicopters, to enter, depart, or transit the airspace. Two-way radio communication should be established with the ATC controller and maintained until the aircraft leaves the Class B airspace.
Additionally, equipment requirements are often more stringent for Class B airspace than for other types of airspace.Air traffic control is provided with radar. ATC assigns transponder codes, provides aircraft with speed restrictions, and directs aircraft to fly certain headings.
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he noisy estabrook stifling team recently adopted a law to reduce the allowed sound level from leaf blowers from the current level of 96 db to 68 db. part description answer save status a. what is the ratio of the new allowed intensity to the previously allowed intensity?
The ratio of the newly allowed intensity to the previously allowed intensity is 3.1623 x 10⁻³.
Banks says a leaf blower makes 64 to 78 decibels at 50 feet. To the operator's ear, the noise is 95-115 decibels. According to Dangerous Decibels, a public-private partnership aimed at reducing hearing loss, typical speech is around 60 decibels, washing machines 75 decibels, and chainsaws 115 decibels.
Performance that fits your needs. Setting the motor to a low speed makes less noise. According to the American Green Zone Alliance, an organization dedicated to zero-emission landscaping, the average fan produces about 65 dB of noise. Compare this to the average noise level of a traditional gas backpack blower.
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80 N and 60 N force act concurrently on a point. find magnitude of the vector sum if the forces pull
-in the same direction
-in opposite direct.
-at right angles to each other
Answer:
140N20N100NExplanation:
In the same direction (add them)80 + 60 = 140N
In the opposite direction (subtract them)80 - 60 = 20N
At right angles to each other (pythagoren theorem)80^2 + 60^2 = c^2
6400 + 3600 = c^2
10000 = c^2
100 = c
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why temperature increases, the effect of interparticle interactions on gas behavior is decreased
When the temperature of a gas increases, the effect of interparticle interactions on gas behavior is decreased. This is because higher temperatures result in increased kinetic energy of the gas particles, leading to more vigorous motion and collisions between particles.
Interparticle interactions in gases are primarily governed by attractive and repulsive forces between the gas molecules. At lower temperatures, these interparticle forces play a significant role in determining gas behavior, such as particle clustering, condensation, and deviations from ideal gas behavior.
However, as temperature increases, the kinetic energy of the gas particles overcomes the interparticle forces more effectively. The increased thermal energy causes the gas particles to move with greater speed and collide more frequently and forcefully. These collisions disrupt the influence of interparticle forces, leading to decreased interactions and a reduced impact on gas behavior.
At high temperatures, the gas molecules possess sufficient kinetic energy to overcome or weaken the intermolecular forces, allowing the gas to behave more closely to an ideal gas. The gas becomes more likely to exhibit properties such as uniformity, random motion, and adherence to gas laws, as the effects of interparticle interactions diminish.
In summary, as temperature increases, the increased kinetic energy of gas particles weakens the influence of interparticle interactions, resulting in a decreased impact on gas behavior.
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The wires in a piano vibrate, but fractions of the wire also vibrate at different frequencies than the whole wire. What is the term
for the softer notes produced by these different frequencies? (1 point)
O interference
O pitch
O resonance
Oharmonics
the answer to the question is pitch
you pull a friend up a 50 m rocky slope with tension force in the rope of 490 N the slope is very steep what work will you need to do in order to pull up your friend
Explanation:
F x d = work
490 N * 50 m = 24 500 J of work
1. Given that an audio signal is sampled at a rate of 1024 Hz,
find the file size of such audio file of stereo type but radio
quality with a duration of 1 minute.
The formula to calculate the file size of an audio file is: File size = sample rate x bit depth x number of channels x duration in seconds.
Given that an audio signal is sampled at a rate of 1024 Hz, we can calculate the file size of such an audio file with the formula above. For a stereo type audio file, we have 2 channels. Radio quality audio files typically have a bit depth of 16 bits.
To calculate the duration in seconds for a 1 minute audio file, we have to multiply 1 minute by 60 seconds, which is equal to 60 x 1 = 60 seconds. File size = 1024 x 16 x 2 x 60 = 1,572,864 bits or 196,608 bytesTherefore, the file size of a stereo type but radio quality audio file with a duration of 1 minute and sampled at a rate of 1024 Hz is 1,572,864 bits or 196,608 bytes.
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what type of quantity is frequency
Margy is trying to improve her cardio endurance by performing an exercise in which she alternates walking and running 100.0 m each. If Margy is walking at 1.4 m/s and accelerates at 0.20 m/s2 during one of the running portions, what is her final velocity at the end of the 100.0 m
She moves at 6.5 m/s as her final speed after running 100 meters.
Acceleration or velocity, according to m/s 2?The velocity change of an object per unit of time is known as acceleration. Amounts of acceleration are measured in meters per second squared (m/s2), the SI unit of acceleration. For instance, due to Earth's gravity, a falling object accelerates at a rate of 9.8 m/s2.
A straight-line motion issue looks something like this. These formulas are used to determine the final velocity:
s = Vo*t + (1/2)*a*at2, and Vf = Vo + at
Where:
Vf = = final speed =?
1.4 m/s is the initial velocity, and 0.20 m/s is the acceleration.
100m displacement in 2 seconds.
the first equation is changed by:
100 = 1.4t + (1/2)*0.2*t^2\st = 25.388s
Vf = 1.4 + 0.2 can be used as a replacement in the second equation.
Vf = 6.5m/s
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What reason might the Greeks have had not to
question the evidence that heavier objects fall
faster than lighter objects?
Answer:
The reason that the Greeks might not have had any questions to the evidence that heavier objects fall faster than light objects is because they would be questioning statistics which is that heavier objects and lighter objects do not fall at different rates but at the same its just the pending on the weight ex. a brick and a feather you drop a brick it falls quick because of its weight and a feather because of it's weight it falls a lot slower but at the measurement of the objects falling quicker than the other they don't its irrelevant.
While riding a chairlift, a 55-kilogram skier is raised a vertical distance of 370 meters. What is the total change in the skier's gravitational potential energy
The change in the skier's gravitational potential energy is 199430 J.
Gravitational potential energy:This is the energy of a body due to its position in a gravitational field. The S.I unit of gravitational potential energy is Joules (J)
The Change in the skier's gravitational potential energy can be calculated using the formula below.
Formula:
ΔP.E = mg(Δh)............... Equation 1Where:
ΔP.E = Change in the skier's potential energym = mass of the skierΔh = change in height to which it was raisedg = acceleration due to gravity.From the question,
Given:
m = 55 kgΔh = 370 mg = 9.8 m/s²Substitute these values into equation 1
ΔP.E = 55×370×9.8ΔP.E = 199430 J.Hence, The change in the skier's gravitational potential energy is 199430 J.
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In complete sentences describe the energy flow between the Sun, the Earth, and space
Why is climate change important?
PLEASE HELP! GIVING BRAINLIEST!
Answer:
Because if we do nothing the artic will melt, ocean levels will rise and cause flooding, the earth will be extremely hotter, there will be more blackouts.
Explanation:
Why do we experience centripetal force and acceleration on a carousel?
The carousel is moving in a circular path. An outside force is acting on it which make the system accelerate and the force exerted by the railing of carousel cause the centripetal force.
What is centripetal force?The force which make an object moves through a curvature path is called centripetal force. Similar to other forces, centripetal force also assciated with an acceleration.
The centripetal force in terms of mass and velocity for a moving body is given as:
Fc = Mv²/r
where r is the radius of curvature.
According to the second law of motion, a force is made by the mass and acceleration in the body.
A carousel is moving through a circular path. The force acting on the rails of carousel make its movement through the curved path and the motion is associated with an acceleration.
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A stomp rocket takes 2.8 seconds to reach its maximum height (g = -9.8 m/s?).Part A:What was the total time in the air?Part B:What was the final landing velocity?
As you hold a book at rest in your hand two forces are being exerted on the book
Answer:
a. gravity & hand on book
b. yes - 3rd law
c. no, the are acting on the same object
Hope this helped!
Answer:
The first force is your hand holding the book up, and the other one is gravity pulling the book down. Hope i helped :D
Explanation:
The ability of a metal to react with air and water is a
property.
O chemical, physical, respectively
O physical, chemical, respectively
o physical, physical, respectively
O chemical, chemical, respectively
\(\bold{{Answer}}\)
O physical, chemical, respectively
please buddy correct me if im wrong
The ability of a metal to react with air and water is a chemical, chemical, respectively property
What is a chemical change?A chemical change occur when the substance's composition is changed or when bonds are broken and new ones are forms a chemical change occur .
When a metal burn in air or react with air it form metal oxide and when metal react with water it forms oxides or hydroxides and release hydrogen gas . In both the cases change in composition is taking place . hence , bot are chemical reactions
correct answer is O chemical, chemical, respectively
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What is the deceleration of a truck that takes 8.5 seconds to decrease its velocity from 35 m/s to 5 m/s?
plsssssss i need help Which source of law is most like common law: statutes, case law, or administrative law? Explain
Answer:
The answer is "case law".
Explanation:
This law is not based on law, but on legislatures, statutes, or legislation, on judgments. Its also used as a different term with common law, which is the collection of precedents as well as power on a specific subject established in previous judicial decisions that are a part of Common law, which is also recognized as case law to establish by the court system based on legal case law.
Describe the similarities and difference between the equipotentials for the "point" electrodes and those for the line electrodes
Equipotential lines are used to visualize the electric field in a given space. The similarities between point and line electrodes are that they both create equipotential lines that are perpendicular to them.
In other words, the electric field is radial for both types of electrodes. However, the difference lies in the shape of the equipotential lines. For point electrodes, the equipotential lines form a series of circles that surround the point,
whereas for line electrodes, the equipotential lines form a series of parallel lines that are perpendicular to the line. This is because the electric field produced by a line electrode is symmetrical around the line,
whereas for a point electrode, the electric field is symmetrical around a single point. Additionally, the strength of the electric field varies more rapidly for point electrodes compared to line electrodes.
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How does convection play a role in tornadoes?
Answer: The mesocyclone
Explanation: The unsaturated air, if moved upward, will be cooler than the surrounding air and it will sink. ... This convective action (that is, the circulation of air as a result of heat transfer) produces the huge clouds commonly associated with thunderstorms and tornadoes.
Hopes this help um pls mark me as brainliest
If a car travels 216 kilometers in 4 hours, calculate its speed.
Answer:
15 m/s
Explanation:
Speed(m/s) = distance(m)/time(s)
distance = 216 km = 216,000 m
time = 4 hours = 14,400 s
speed = 216000/14400 = 15 m/s
Answer:
V=S/T
V=216km/4hr
V=54km/hr
Explanation:
1km/hr = 5/18 m/s
54km/hr= X
X=5/18m/s * 54km/hr
1km/hr
X=15m/s(approximately)
Compare and contrast aerobic physical activity with anaerobic physical activity.
simple, please :)
Answer: ompare and contrast aerobic physical activity with anaerobic physical activity. ... Aerobic physical activity is better for the cardiovascular system than it is for strength endurance, while anaerobic physical activity is better at building strength endurance than it is at increasing cardiorespiratory fitness.
Explanation: hopefully this helped ;)
Answer:
Aerobic physical activity is actvity with motion. Anaerobic activity is the opposite. This means that it is an activity without motion.
A foam square has a mass of 62 g and a volume of 72 cm'. What is the density?
Which of the following correctly describes the relationship between current and voltage as the voltage of a battery increases. Remember that Ohm's Law
states: I = x
As voltage increases, current decreases because current and voltage are inversely proportional.
o As voltage increases, current decreases because current and voltage are directly proportional
As voltage increases, current increases because current and voltage are directly proportional
Answer:_COC1\/2+_H\/2O>_HC1+CO\/2
Explanation:
Need help asap
How is speed calculated?multiply velocity by displacementdivide velocity by displacementmultiply distance by timedivide distance by time.
Speed is calculated by dividing distance by time.
Speed is a measure of how fast an object is moving, and is typically measured in units such as meters per second (m/s) or miles per hour (mph). It is calculated by taking the distance an object has traveled and dividing it by the amount of time it took to travel that distance. This is known as the "average speed" of an object.
Speed can also be represented as velocity, which is the rate of change of an object's position, and is a vector quantity, meaning it has both a magnitude and a direction. To calculate velocity, the displacement (change in position) is divided by the time elapsed. Both speed and velocity are fundamental concepts in physics and are used in many areas of study, including mechanics, thermodynamics, and astronomy.
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Your question seems incomplete, but I suppose the question was:
"How is speed calculated?
multiply velocity by displacement
divide velocity by displacement
multiply distance by time
divide distance by time."
Answer: D.) divide distance by time.
Explanation:
Correct on edge;)
6. How much time is needed to produce 456 J. of work if 76 W. of power is used?
The time needed to generate an energy of 456 J using a power of 76 W is 6.0 seconds.
What is the time need to produce the energy?Power is the quantity of energy transferred per unit time. It can be expressed as;
Power = energy / time
Given the data in the question;
Energy = 456J = 456kgm²/s²Power = 76W = 76kgm²/s³Time t = ?To determine the required time, plug the given values into the formula above and solve for t.
Power = energy / time
Time = energy / power
Time = 456kgm²/s² / 76kgm²/s³
Time = 6.0s
Therefore, the required time is 6.0 seconds.
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