at 11 °c, the kinetic energy per molecule in a room is kave.

There is always a potential that an abrasive power tool's wheel wasn't sound and may burst or disintegrate, thus neither the operator nor anyone else should ever stand in front of the wheel as it accelerates to full operational speed. So, C is the best choice.

Before mounting, all abrasive wheels must undergo a thorough inspection and ring test to make sure there are no fractures or other flaws. The spindle's grinding wheels must easily fit on it without being pressed in.

The spindle nut should only be tightened enough to secure the wheel. The following are a few recommendations for using abrasive wheels: The spindle end, nut, and flange projection guards on abrasive wheel tools must be covered. Keep the wheel in the right alignment. Never use more force than the fastenings can handle.

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Answer:

Energy implies as the object’s capability to perform work. It is something that cannot be created or destroyed but can only be transformed. An object loses its energy, when it performs work, whereas it gains energy when the work is performed on it. Energy is broadly classified as kinetic energy and potential energy. While kinetic energy is the energy which an object contains because of a particular motion.

On the other hand, potential energy is the stored energy, because of its state of rest. As both the two forms of energy are measured in joules, people get easily confused between these two. So, take a read of the article which will help you to understand the differences between kinetic and potential energy.

Explanation:

Hope this helps - Good luck ^w

Answer:

Energy stored in an object due to its position is Potential Energy. · Energy that a moving object has due to its motion is Kinetic Energy.

Explanation:

Answer:

3,200 ounces

Explanation:

1 pound (lb) is equal to 16 ounces (oz):

i.e 1 lb = 16 oz

Given:

200 pounds

To find:

2,000 pounds as ounces.

Steps:

200 (mass) * 16 = 3,200 ounces.

Thank you!

- EE

Answer:

3200 ounces

Explanation:

There are 16 ounces in one pound ( lb ), so you'd multiply 16 by the amount of pounds or lbs.

200 · 16 = 3200

So the answer would be 3200 ounces.

I hope it helps! Have a great day!

The minimum position of the particle is at a point where its potential energy is a minimum (greater than -7 J), and the maximum position of the particle is at a point where its potential energy is a maximum (-7 J).

We need to use the conservation of mechanical energy, which states that the total mechanical energy of a particle remains constant throughout its motion. The total mechanical energy (E) of a particle is the sum of its kinetic energy (K) and potential energy (U):

\(E = K + U\)

Since the problem states that the total mechanical energy of the particle is -7 J, we can write:

\(-7 J = K + U\)

The minimum and maximum positions of the particle correspond to the points where its kinetic energy is zero (since the particle briefly stops at these points) and its potential energy is at a maximum or minimum.

At the maximum position, the potential energy is at a maximum, and the kinetic energy is zero. Therefore, we have:

\(U_max = -7 J and K_max = 0\)

At the minimum position, the potential energy is at a minimum (which is greater than -7 J), and the kinetic energy is again zero. Therefore, we have:

\(U_min > -7 J and K_min = 0\)

We cannot determine the exact value of \(U_min\) from the given information, but we know that it must be greater than -7 J.

So, the minimum position of the particle is the point where its potential energy is at a minimum, and its kinetic energy is zero. The maximum position of the particle is the point where its potential energy is at a maximum, and its kinetic energy is zero.

Therefore, we can say that the minimum position of the particle is at a point where its potential energy is a minimum (greater than -7 J), and the maximum position of the particle is at a point where its potential energy is a maximum (-7 J).

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The wave interaction that can cause a spoon to appear broken in a glass of water is called refraction.

Refraction occurs when a wave, such as light, passes from one medium to another with a different density or refractive index. When light waves travel from air into water, for example, they undergo a change in direction due to the change in speed caused by the difference in optical properties between the two mediums.

In the case of the spoon in a glass of water, the light waves coming from the spoon encounter the air-water interface. As they pass from air into water, they undergo refraction, causing a change in their direction. This change in direction can create an optical illusion where the spoon appears to be bent or broken at the water's surface.

This phenomenon is a result of the bending of light rays as they pass through different mediums with different refractive indices, and it is a common example of how refraction can distort the perception of objects when viewed through different mediums.

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The kinetic energy of the car is: transformed into other forms of energy, some into internal energy of the tires and brakes, and some transferred away by mechanical waves. The correct option is (B).

According to the law of conservation of energy, energy cannot be created or destroyed; it can only be transferred or transformed from one form to another. Therefore, the kinetic energy that the car once had is not destroyed but transformed into other forms of energy.

When the car is moving with a velocity of 65 mi/h, it has kinetic energy due to its motion. When the driver applies brakes and the car comes to a stop, the kinetic energy is not destroyed, but it is transformed into other forms of energy.

Some of the kinetic energy is transformed into internal energy of the tires and brakes, causing them to heat up. This is because the brakes and tires experience friction, which opposes the motion of the car and converts some of the kinetic energy into thermal energy.

Additionally, when the tires of the car come into contact with the road, they produce mechanical waves due to friction. Some of the kinetic energy is also transferred away from the car in the form of these mechanical waves. The mechanical waves produced due to the skid of the car are sound waves, and they carry some of the kinetic energy of the car away from it.

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Explanation:

i hope this is the right way to solve it

Answer:

yes/nope

Explanation:

............... :)

Answer:

Scissors

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Explanation:

An object's momentum is a measure of its motion, defined as the product of its mass and its velocity. This means that an object with a large mass moving at a high velocity will have greater momentum than an object with a smaller mass moving at a slower velocity.

The momentum of an object is a vector quantity, which means it has both magnitude and direction. The direction of an object's momentum is the same as the direction of its velocity. This means that if an object is moving north, its momentum is also northward. Momentum is an important concept in physics, particularly in the study of collisions and interactions between objects.

In these situations, the total momentum of a system is conserved, meaning that the sum of the momenta of all objects involved remains constant before and after the interaction. This principle is known as the law of conservation of momentum and is crucial for understanding the behavior of objects in motion.

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Answer:

ok so first ur not a failure and its okay don't be so hard on ur self

Answer:

Light is made up of different wavelengths, or colors, and white light is a combination of all of them. When a ray of white sunlight hits a patch of beach ball, the paint absorbs most of the wavelengths. It reflects the rest. For example, if the patch is blue, it reflects the blue wavelengths and absorbs all the others.

We see different wavelengths of light as different colors because they are associated to different wavelength, which activates different cells in the retina.

A diode is a two terminal device that passes and blocks the current.

A diode is a semiconductor gadget that essentially switches current in a single direction.

However, it substantially inhibits current flow in the opposite direction. It permits an easy flow of current in one direction.

Due to the fact that they convert alternating electricity into pulsing direct current, diodes are sometimes referred to as rectifiers. Type, voltage, and current capability are used to rate diodes.

The anode and cathode determine the polarity of diodes. The majority of diodes only permit current to flow when the anode is subjected to positive voltage.

A diode is forward-biased when it permits current flow. Reverse-biased diodes function as insulators.

The arrow of the diode symbol points away from the direction of electron flow. The symbol was created by engineers, whose current flowed in a positive direction.

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The system is open, because there is a net force exerted on the block.

An individual strolling, a taking off baseball, a piece tumbling from a table and a charged molecule in an electric field are instances of dynamic energy at work. An item that isn't moving has zero motor energy.

The energy an item has as a result of motion is known as kinetic energy. A force must be applied to an item in order to accelerate it. We must put forth effort in order to apply a force. After the job is finished, energy is transferred to the item, which then moves at a new, constant speed.

According to question:

On graphing free body diagram of the problem

There is a force = mgsin(37°)

So, the it is a open system.

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Answer: A radio wave is generated by a transmitter and then detected by a receiver. An antenna allows a radio transmitter to send energy into space and a receiver to pick up energy from space. Transmitters and receivers are typically designed to operate over a limited range of frequencies.

Explanation:

Answer:

a)  ΔV₁ = 21.9 V, b) U₀ = 99.2 10⁻¹² J, c) U_f = 249.9 10⁻¹² J,  d)  W = 150 10⁻¹² J

Explanation:

Let's find the capacitance of the capacitor

         C = \(\epsilon_o \frac{A}{d}\)

         C = 8.85 10⁻¹² (8.00 10⁻⁴) /2.70 10⁻³

         C = 2.62 10⁻¹² F

for the initial data let's look for the accumulated charge on the plates

          C = \(\frac{Q}{\Delta V}\)

          Q₀ = C ΔV

           Q₀ = 2.62 10⁻¹² 8.70

           Q₀ = 22.8 10⁻¹² C

a) we look for the capacity for the new distance

          C₁ = 8.85 10⁻¹² (8.00 10⁻⁴) /6⁴.80 10⁻³

          C₁ = 1.04 10⁻¹² F

          C₁ = Q₀ / ΔV₁

          ΔV₁ = Q₀ / C₁

          ΔV₁ = 22.8 10⁻¹² /1.04 10⁻¹²

          ΔV₁ = 21.9 V

b) initial stored energy

          U₀ = \(\frac{Q_o}{ 2C}\)

          U₀ = (22.8 10⁻¹²)²/(2  2.62 10⁻¹²)

          U₀ = 99.2 10⁻¹² J

c) final stored energy

          U_f = (22.8 10⁻¹²) ² /(2  1.04 10⁻⁻¹²)

          U_f = 249.9 10⁻¹² J

d) the work of separating the plates

as energy is conserved work must be equal to energy change

          W = U_f - U₀

          W = (249.2 - 99.2) 10⁻¹²

          W = 150 10⁻¹² J

note that as the energy increases the work must be supplied to the system

The maximum value of a short circuit current from line-to-neutral grounded will depend on various factors such as the voltage level of the electrical system.

The impedance of the circuit, the available fault current, and the protective devices that are in place to limit the current.In a typical residential or commercial electrical system in the United States, the maximum short circuit current from line-to-neutral grounded is typically around 10,000 to 20,000 amps for a 120/240 volt system. However, in larger industrial or utility systems with higher voltage levels, the short circuit current can be much higher and can exceed several hundred thousand amps.It is important to note that short circuit currents can cause significant damage to electrical equipment and can pose a serious safety hazard to people who come into contact with the electrical system.

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Explanation:

The correct order of charges depends on their sign as follows:

If Q1 and Q3 are opposite in sign, they will attract each other, and the direction of the force between them will be from Q1 to Q3.

If Q2 and Q3 are the same in sign, they will repel each other, and the direction of the force between them will be away from Q2 and towards Q3.

The magnitude of the force between two charges depends on the distance between them and the value of the charges. The force is stronger if the charges are larger and closer together, and weaker if they are smaller and farther apart.

When 70 Newton dog ran across the yard. we know The dog's weight. Hence option B is correct.

Force(F) applied on the body is mass(m) times its acceleration(a). i.e. F=ma according to this equation we get acceleration as a = this equation says that when we apply more force to the body, more acceleration it gets. When more is the mass of the body, greater force is needed to accelerate with same amount to that less mass.

70N dog means it is his weight, from which we can calculate its mass, by relation F = mg where g is acceleration due to gravity.

Hence for objective option B is correct, and for MSQ Both B and C is correct.

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Since the frequency from Part 1 is estimated from a heat energy that experiences some energy loss, it is predicted that it will be faster than the measured velocity.

Is the term "velocity" a vector term?

In essence, velocity is a vector quantity. It is the speed at which distance changes. It is the displacement change rate. A moving item can never move at a negative speed. A moving item can have zero velocity. Speed is a key indicator of an object's speed.

What are the values of time and velocity?

The speed and duration are 1.5 m/s and 100 seconds, respectively. Determine the displacement value. Remember that velocity equals displacement times time

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Answer:

The answer is A. Fluid and white blood cells move into the tissue from nearby blood  vessels.

Explanation:

Answer:

A is the Answer

Explanation:

I took the test

Answer:  B- Two children pulling apart a wishbone

Explanation:  I took the test :)

B. Two children pulling apart a wishbone best describes two counteracting forces on an object

Counteracting force or to counteract is to act in opposition to or against some force in order to neutralize the force ,

in option a) it can be observed that the box is being pushed to another location which means no opposite force is acting on the box , only one force in one direction is being acting , due to which neutralization can't take place and box 's position is being changed hence , there is no  counteracting forces .

similarly in option d) two people pushing a broken-down car up the road , in this also no counter force is acting , only one force is being acted on the car  hence , there is no  counteracting forces .

in option c) only pulling is taking place , no counter force is being acted hence , there is no  counteracting forces .

correct option b)  two children pulling apart a wishbone , pulling apart that means two forces are acting , in opposite direction to each other , hence it is a example of a counteracting force .

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Answer: 216000

Explanation:

60 seconds in 1 hour

24 hours in a day = 1440

148 hours in 7 days

Answer:

Explanation:

To calculate the gradient we can use the equation for it, which is:

change in field value / distance = gradient

Since we already know the values, we can directly go with the calculation. The change in field value is 55 m - 15 m = 40 m, and we will need to convert the 20 km into meters, so we will have 20,000 m.

40 / 20,000 = 0.002

So the gradient of the suggest slope will be only symbolic 0.002 degrees.

Answer:

2.At the end of meiosis, there are four cells each with 23 chromosomes, for a total of 92 chromosomes split between the four cells.

Answer:

I think its A

Explanation:

if its every 3 seconds wouldnt it be 3.0 Hz

More force is exerted by the table against her finger than she exerts against the surface.

Active power is the force behind motion or change that is exerted or brought to bear. the elements of nature

The term "force" has a clear definition in science. It is quite acceptable to refer to a force of this level as a push or a pull. An object does not "have in it" or "contain" a force. One thing is subject to a force from another. There is no distinction between living and non-living things in the concept of a force.

The newton  is the SI unit of force. As they relate to force, the base units are: The symbol for the length measurement known as the meter is m. The symbol for the kilogram, a unit of mass the sign s represents the second, a unit of time.

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Answer:

Convergent boundaries. When two plates collide and one is pushed over the other, forming a mountain.

Answer:

The graph would increase constantly as shown above until it reached 50m/s. At 10s, the graph would be flat at 50m/s until 20s.

Explanation:

Answer:

DMs are not accessible anymore. I assume Zuka is a staff member? the only way to talk to a staff member anymore is to report something, but even then, the probably won't even look at what they're deleting :/

May I have brainliest please? :)