Which two examples of levers are mentioned in the video?

Category I of electric meter is intended only for measurement inside an appliance.

Voltage measurements from specially protected secondary circuits fall under the Category I. Signal levels, specialized equipment, equipment with limited energy, circuits powered by controlled low voltage sources, and electronics all use these voltage measurements.

Actually, electrical test and measurement tools are designed for specific applications and conditions. Excessive or erroneous application parameter deviation can result in inaccurate measurements or injury. As a result, there are four primary electrical tool measurement categories: Category I, Category II, Category III, and Category IV.

Measurement Categories are used to rate test instruments based on their ability to withstand a voltage spike applied via a specific resistance. The higher the category, the greater the danger of a high voltage overloading a circuit and causing electrical and physical damage. Generally, the higher the CAT (category) rating, the higher the safety rating.

Find more on electric meter at : brainly.com/question/1106963

#SPJ4

Answer:

B

Explanation:

Remark

If, when it reaches its maximum height where the PE is the greatest, that the maximum energy is when the ball is first kicked. That would mean its starting energy is 10 Joules.

Formula

KE = 1/2 m v^2

Givens

KE = 10 J

m = 0.2 kg

v = ?

Solution

10 = 1/2 * 0.2 * v^2

10 * 2 = 0.2 * v^2

20 = 0.2 * v^2

20/0.2 = v^2

100 = v^2

v = 10 m/s

Answer:

0.0217 m

Explanation:

Ftom the question,

Applying Coulomb's law

F = kqq'/r²............... Equation 1

Where F = Electric Force, q and q' = First and second charge respectively, r = distance between the charges, k = coulomb's constant.

make r the subeject of the equation

r = √[(kqq')/F]............. Equation 2

Given: q = +3.6×10⁻⁸ C, q' = -3.2×10⁻⁸ C, F = -2.2×10⁻² N

Constant: k = 8.98×10⁹ Nm²/C²

Substitute these values into equation

r = √(+3.6×10⁻⁸×-3.2×10⁻⁸×8.98×10⁹/-2.2×10⁻²)

r = √(-103.4489×10⁻⁷/-2.2×10⁻²)

r = √(47.02×10⁻⁵)

r = 21.68×10⁻³

r ≈ 21.7×10⁻³ m.

r ≈ 0.0217 m

Hence the seperation between the two balloons is 0.0217 m

For a comprehensive analysis of surface characteristics, other parameters such as Ra (average roughness) and Rz (maximum height of the roughness profile) may also be required.

a. White light interferometry is a technique used to measure the surface profile and characteristics of an object with high precision. It is based on the principle of interference between two beams of light, one reflected from the reference surface and the other reflected from the object's surface.

In white light interferometry, a white light source is split into two beams. One beam is directed towards the reference surface and the other towards the object's surface. The reflected beams are recombined and interference occurs, resulting in a pattern of bright and dark fringes called an interferogram. By analyzing the interferogram, the surface profile can be determined.

b. The maximum height of a surface, Rt, refers to the maximum distance between the highest peak and the lowest valley on the surface profile. It represents the overall roughness or irregularity of the surface.

c. Rt is primarily used to evaluate surface roughness and waviness. It provides a quantitative measure of the surface irregularities. However, Rt has limitations. It only considers the extreme points on the surface and does not provide information about the distribution or spatial frequency of the irregularities. Additionally, Rt does not capture the detailed features of the surface, such as localized defects or fine structures. Therefore, for a comprehensive analysis of surface characteristics, other parameters such as Ra (average roughness) and Rz (maximum height of the roughness profile) may also be required.

Learn more about parameters from the link

https://brainly.com/question/30395943

#SPJ11

Answer: im not sire

Explanation: very sorry im not sure

Answer:

A peptic ulcer is a sore on the lining of your stomach or the first part of your small intestine (duodenum). If the ulcer is in your stomach, it is called a gastric ulcer. If the ulcer is in your duodenum, it is called a duodenal ulcer

The work required to lift the elevator 10 ft by winding the cable onto a winch is 28,195ft*lb

Define work done.

The result of a force's displacement and its component of force exerted by the object in the direction of displacement is what is known as the force's work. When we push a block with some force, the body moves quickly and work is completed.

3000lb * (9ft)=27000ft*lb of labour is required to lift the elevator.

A piece of rope is being lifted by the winch over a distance of 12-y  from 0 to 9. The weight of each part is 14dy.

W = int0-9[14(12-y)]dy

= 15int0-1[0(12-y)]dy

W = 15[12y-.5y^2]^0-9

W = 1195 ft*lb

Total work = 27000+1195 = 28,195ft*lb

To know more about work use link below:

https://brainly.com/question/25573309

#SPJ1

Answer:

The correct answer is "64 J".

Explanation:

The given values are:

Mass,

m = 52 kg

Velocity,

v = 6 m/s

Mechanical energy,

= 1000 J

Now,

The gravitational potential energy will be:

⇒ \(P.E=1000-\frac{1}{2}mv^2\)

           \(=1000-\frac{1}{2}\times 52\times (6)^2\)

           \(=1000-26\times 36\)

           \(=1000-936\)

           \(=64 \ J\)

International space station is the mission of NASA. It has launched 134 successful space missions.

International space station is a huge place in the space but in the close orbit with all possible facilities for astronauts , scientists and others

The National Aeronautics and Space Administration (NASA) is an acronym for the National Aeronautics as well as Space Administration. NASA was established as a division of the United States government on October 1, 1958. NASA is just in charge of all research and technology related to aviation and space in the United States.

To know more about NASA and  International space station.

https://brainly.com/question/13033832

#SPJ2

Answer:

it would be loud

Explanation:

it would be loud

When two objects with equal masses are in motion, the object with the greater velocity will have more kinetic energy.

This is because the kinetic energy of an object is directly proportional to the square of its velocity. Kinetic energy is the energy an object possesses due to its motion. It is a scalar quantity, which means it has only magnitude and no direction.

The formula for calculating the kinetic energy of an object is given by:

K = 1/2 mv²

Where ,K = kinetic energy, m = mass of the object, v = velocity of the object. As you can see from the formula, the kinetic energy of an object increases with an increase in its velocity, while its mass remains constant.

Therefore, in the given scenario, the object with the greater velocity will have more kinetic energy.

To know more about kinetic energy:

https://brainly.com/question/15764612

#SPJ11

Answer:The answer is C: any fundamental force

Explanation:

A P E X

Answer:

radius=4.77cm

Explanation:

given

r=? ,h=14 , v=1000

then using the formula

\(r = \sqrt{ \frac{v}{\pi \: h} } \)

= √1000/π•14

=4.77cm

When an object is focused by a convex lens, a virtual, upright, and larger image of the original thing is produced.

As long as the object is not in the focal point, the image is real and inverted. A converging lens produced a virtual image when the object is placed in front of the focal point.

When an object is positioned at infinity, a virtual image is produced at the focus. The size of the image has been considerably decreased.

To know more about convex lens visit:-

https://brainly.com/question/29414869

#SPJ1

Answer:

The  value  is  \(C =  21.07 ppm\)

Explanation:

From the question we are told that

 The volume of the first  aliquot is \(V_a1  =  25.0 \  mL\)

 The  volume after dilution is  \(V_A =  50.0mL\)

 The  Absorbance of the first solution  is  \(A_1 =  0.656\)

 The  wavelength at which the absorbance occurred is   \(\lambda _1 =  348 nm  =  348*10^{-9} \  m\)

    The  length of the cell \(l  = 2.50 \  cm\)

    The volume the second  aliquot is \(V_{a2}  =  25.0 \  mL\)

     The  volume of the solution it was mixed with is  \(V_s  =  10.00mL\)

     The  concentration of quinine in the 10 mL solution  \(Z =  25.7ppm\)

    The volume of the second solution after dilution is \(V_d = 50.0 mL\)

      The  absorbance of the second solution is \(A_2 =  0.976\)

Generally the concentration of quinine is mathematically represented as

         \(C =  \frac{A_1 *Z *  V_s  }{(A_2 -A_1) V_{a2}}\)

=>    \(C =  \frac{ 0.656  *  25.7 *  10.0}{ (0.976 -  0.656) *  25}\)

=>   \(C =  21.07 ppm\)

another answer for acellus is 143 m/s it worked for me

The speed of the charge is approximately 2.857 m/s.

To find the speed of the charge, we can use the formula for the magnetic force on a charged particle moving through a magnetic field:

Force (F) = q * v * B * sin(θ)

Where:

F is the force on the charge (given as 2.14 x \(10^-8\)  N),

q is the charge of the particle (given as 2.99  x \(10^-6\)C),

v is the speed of the charge (what we want to find),

B is the magnitude of the magnetic field (given as 5.00 x \(10^-5\) T),

θ is the angle between the direction of motion and the magnetic field (given as 10.0°).

First, we need to convert the angle from degrees to radians:

θ (in radians) = 10.0° * (π / 180°) ≈ 0.174532925 radians

Now, we can rearrange the formula to solve for the speed (v):

v = F / (q * B * sin(θ))

Substitute the given values into the equation:

v = 2.14 x \(10^-8\) N / (2.99 x \(10^-6\) C * 5.00  x \(10^-5\)  T * sin(0.174532925))

v ≈ 2.857143 m/s

Therefore, the speed of the charge is approximately 2.857 m/s.

To know more about speed here

https://brainly.com/question/17661499

#SPJ2

The moment of inertia about the rotation axis for the given playground toy, with two children sitting opposite each other, is approximately 145.35 kg·m².

To determine the moment of inertia about the rotation axis for the given playground toy, we need to consider the contributions from the seats and the two children.

Given:

Mass of each seat = 6.4 kg

Length of the rods (r) = 1.5 m

Mass of the first child (m₁)= 16 kg

Mass of the second child (m₂) = 23 kg

The moment of inertia of each seat can be calculated using the formula for the moment of inertia of a point mass about an axis:

\(I_{seat} = m_{seat times} r^2\)

For each seat, the moment of inertia is:

\(I_{seat} = 6.4 kg times (1.5 m)^2= 14.4 kg\cdot m^2\)

Now, to calculate the moment of inertia contributed by the children, we need to consider that the children are located opposite each other. Assuming the axis of rotation passes through the center of mass of the children-seats system, the moment of inertia for each child is:

\(I_{child} = m_{child times} r^2\)

For the first child (m₁):

\(I_1 = 16 kg times (1.5 m)^2 = 36 kgm^2\)

For the second child (m₂):

\(I_2 = 23 kg times (1.5 m)^2 = 51.75 kgm^2\)

Finally, we can calculate the total moment of inertia by summing the contributions from the seats and the children:

Total moment of inertia =\(4 times I_{seat} + I_1 + I_2\)

= \(4 times (14.4 kgm^2) + 36 kgm^2 + 51.75 kgm^2\)

= \(57.6 kgm^2 + 36 kgm^2 + 51.75 kgm^2\)

= \(145.35 kgm^2\)

Learn more about the calculation of the moment of inertia here:

https://brainly.com/question/30051108

#SPJ4

Answer:

r = 0.0548 m

Explanation:

Given that,

Singly charged uranium-238 ions are accelerated through a potential difference of 2.20 kV and enter a uniform magnetic field of 1.90 T directed perpendicular to their velocities.

We need to find the radius of their circular path. The formula for the radius of path is given by :

\(r=\dfrac{1}{B}\sqrt{\dfrac{2mV}{q}}\)

m is mass of Singly charged uranium-238 ion, \(m=3.95\times 10^{-25}\ kg\)

q is charge

So,

\(r=\dfrac{1}{1.9}\times \sqrt{\dfrac{2\times 3.95\times 10^{-25}\times 2.2\times 10^3}{1.6\times 10^{-19}}}\\\\r=0.0548\ m\)

So, the radius of their circular path is equal to 0.0548 m.

Answer: C

Explanation: I did the test

We need to use 6 red circles and 8 blue circles to represent the 6 protons and 8 neutrons in the nucleus. Then, we need to place 6 yellow circles around the nucleus to represent the 6 electrons in the atom. Option C is correct.

To create a correct model of a Carbon-14 atom, we need to follow the steps that represent the correct number of protons, neutrons, and electrons in a carbon-14 atom.

Carbon-14 has 6 protons and 8 neutrons, so we need to use a total of 6 red and 8 blue circles in the nucleus. It also has 6 electrons, so we need to place 6 yellow circles around the nucleus.

The correct steps to follow to create a model of a Carbon-14 atom are:

B. steps 1, 4, 6

Step 1:  Use 6 red circles for the nucleus of the atom

Step 4: Add 8 blue circles to the nucleus of the atom

Step 6:  Place 6 yellow circles around the nucleus of the atom

Therefore, we need to use 6 red circles and 8 blue circles to represent the 6 protons and 8 neutrons in the nucleus. Then, we need to place 6 yellow circles around the nucleus to represent the 6 electrons in the atom.

Learn more about Carbon-14 atom here:

https://brainly.com/question/30727793

#SPJ2

Answer:

31.496 inches

Explanation:

The x-component of the given vector is determined as 10.53 m.

The x-component of a vector is defined as the value of the vector or component of the vector in the x direction.

For a vector of 14.4 m long and pointing in a 133 degree direction.

The x-component of the vector is calculated as follows;

Vx = V cosθ

where;

θ = 133⁰ - 90⁰ = 43⁰

Vx = 14.4 x cos(43)

Vx = 10.53 m

Thus, the x-component of the given vector is determined as 10.53 m.

Learn more about x component here: https://brainly.com/question/18848496

#SPJ1

Answer:

Explanation:

it's B)  or the question right above the one you've marked.   The planets do form a plane almost exactly :0   but not a sphere.  

Answer:

Electrical force, F = 10.8 N

Explanation:

We have,

Charge 1, \(q_1=3\ \mu C=3\times 10^{-6}\ C\)

Charge 2, \(q_2=4\ \mu C=4\times 10^{-6}\ C\)

Distance between charges is 10 cm or 0.1 m

It is required find the electric force between two charges. The formula used to find the electrical force is given by :

\(F=\dfrac{kq_1q_2}{r^2}\)

k is electrostatic constant

Plugging all the values we get :

\(F=\dfrac{9\times 10^{9}\times 3\times 10^{-6}\times 4\times 10^{-6}}{(0.1)^2}\\\\F=10.8\ N\)

So, the electrical force between charges is 10.8 N.

At rest, the end-systolic volume (ESV) is typically around 40-50% of the end-diastolic volume (EDV) in a healthy individual.

The end-diastolic volume (EDV) refers to the volume of blood in the ventricles at the end of diastole, which is the relaxation phase of the cardiac cycle when the ventricles are filled with blood. The end-systolic volume (ESV) is the volume of blood remaining in the ventricles at the end of systole, which is the contraction phase of the cardiac cycle when blood is ejected from the ventricles. During systole, the ventricles contract and forcefully pump blood out into the arteries. However, they do not completely empty, and a certain volume of blood remains in the ventricles. This residual volume is the end-systolic volume (ESV).

The difference between the end-diastolic volume (EDV) and the end-systolic volume (ESV) is known as the stroke volume (SV), which represents the volume of blood ejected from the heart with each beat. In a healthy individual at rest, the stroke volume is typically around 50-60% of the end-diastolic volume (EDV). Therefore, the end-systolic volume (ESV) would be approximately 40-50% of the end-diastolic volume (EDV). This indicates that the heart pumps out roughly half of the blood present in the ventricles during each contraction, with the remaining blood constituting the end-systolic volume.

Learn more about volume here:

https://brainly.com/question/30347304

#SPJ11

Answer:

Po (Polonium)

Explanation:

Answer:

B. Atoms are altered in both processes

Explanation:

Answer: B. Atoms are altered in both processes

Explanation: