The work done in pushing a 40 kg chair from the kitchen table to 10 meters down the
hall would be about “blank”
neglecting friction.

You must be at least 0.54 meters (or about 1.8 feet) away from the cable to experience a magnetic field less than the Earth's magnetic field.

A magnetic field is a physical field generated by moving electric charges or the intrinsic magnetic moments of elementary particles associated with their spin. A magnetic field is a vector field, which means that it has both magnitude and direction. It can exert a force on other moving charges or magnetic materials, causing them to experience a magnetic force.

In the classical picture, a magnetic field is created by a magnet or by a moving electric charge, such as an electric current. The strength of the magnetic field at a given point is proportional to the magnitude of the current or the strength of the magnet, and it decreases with distance from the source.

To calculate the distance from the cable at which the magnetic field is less than the Earth's magnetic field, we can use the formula for the magnetic field around a long, straight wire:

B = μ0 * I / (2πr)

where B is the magnetic field, μ0 is the permeability of free space (4π x  10⁻⁷T m/A), I is the current, and r is the distance from the wire.

Rearranging the formula, we get:

r = μ0 * I / (2π * B)

Plugging in the given values, we get:

r = (4π x 10⁻⁷T m/A) * 135 A / (2π * 5.00 x 10⁻⁵ T)

r = 0.54 meters

To know more about intrinsic magnetic moments, visit:

https://brainly.com/question/14446899

#SPJ1

Answer:

A i think its right im postivite

Answer: A. Faults

Explanation: ;-; its easy because faults are cracks and they can push layers past each other making tectonic plates rub against each other then creating a earthquake

The initial velocity of the cart.

Newton, There can be a mass is four.080, So acceleration might be equal to 2.50 m in step with cent within the rectangular. Initial is that amount that relies upon total mass. The greater mass the more inertia. So Mass is 2000 kg and acceleration is 3 ms square. So this offers us an internet pressure identical to 6000 newtons or 6.0 and 210 to the power

In case you roll a ball, it initially will keep rolling except friction or something else stops it by means of pressure. you could also think about the way that your body maintains transferring ahead when you hit the brake on your bike. Translational Inertia = ma, in which m is the mass, and a is the acceleration of the object. Calculate the rotational inertia or the instant of inertia velocity by way of multiplying the mass of the object with a square of the gap between the item and the axis, the radius of rotation.

Learn more about The Second interval here:-https://brainly.com/question/26896235

#SPJ9

The required option is A.) The force that A exerts on B is 10 times the force that B exerts on A., C.) The force that A exerts on B is 1/10 the force that B exerts on A.

Non-contact forces, such as electrostatic forces, pull or push on objects without actually making contact with them. When certain materials are rubbed together, a phenomenon known as "charge" can be transferred from one surface to another. Uncharged items are pulled by charged objects, which in turn may push or pull against other charged ones.

For options

A.) The force that A exerts on B is 10 times the force that B exerts on A.

C.) The force that A exerts on B is 1/10 the force that B exerts on A.

because,

The forces between two charged objects are proportional to the product of the charges and inversely proportional to the square of the distance between the objects. So, the force that A exerts on B is proportional to q * 10q / d^2 and the force that B exerts on A is proportional to 10q * q / d^2, where d is the distance between the two objects. Thus, the force that A exerts on B is 10 times the force that B exerts on A, and the force that A exerts on B is 1/10 the force that B exerts on A.

As for B.) The angle between the thread supporting A and the vertical, and the angle between the thread supporting B and the vertical depend on the mass of the balloons and the tension in the threads, which are not given in the problem. So, it's not possible to determine the relative angles of the threads.

And D.) A and B do not exert the same magnitude forces on each other, as explained above

To know more about Electrostatics force visit:

brainly.com/question/9774180

#SPJ4

When a block is launched with initial speed 2.2 m/s up a 35° frictionless ramp then ramp slides up to 0.43m.

The work-energy theorem explains that net work done by the forces on an object is equal to change in its kinetic energy.

We can also say that work done on a body is equal to the net change in its energy.

Given angle = 35°

initial speed = 2.2m/s

Applying work - energy theorem,

Wgravity = KE

-m *g *sin ∅ * S =1/2* (0- 2.2²)

-9.81*sin 35° *S= 1/2 *(0- 2.2² )

S= 0.43m

Ramp slides up to 0.43m.

To know more about work- energy theorem, refer

https://brainly.com/question/22236101

#SPJ13

Hooke's law of elasticity is a principle in physics that states that the force required to extend or compress a spring by some distance is proportional to that distance. It is named after the English physicist Robert Hooke, who first stated the law in 1678. Hooke's law is often written as F = -kx, where F is the force applied to the spring, x is the distance it is stretched or compressed, and k is the spring constant, a measure of the stiffness of the spring.

By supplying the fundamental knowledge required to create new instruments and techniques for medical use, physics enhances our quality of life

From can openers, light bulbs, and mobile phones to muscles, lungs, and brains; from paintings, piccolos, and pirouettes to cameras, vehicles, and cathedrals; from earthquakes, tsunamis, and storms to quarks, DNA, and black holes, physics aids us in understanding the workings of the world around us.

The science of physics is the most fundamental and has many applications in contemporary technology. Because it makes it possible for smartphones, computers, televisions, watches, and many other modern technologies to function automatically, physics is crucial to modern technology.

To learn more about physics please visit-
https://brainly.com/question/14338730
#SPJ9

Answer:

suppose the

quantity of water on the earth is 1.32 1021 kg and remains constant

the

Answer:

Explanation:

The resistor R2 is shorted out, so is not in the circuit. The remaining resistors are in a series circuit with a total resistance of ...

  R1 +R3 +R4 = 1k +4.7k +1k = 6.7k

The current is the ratio of the applied voltage to this total resistance:

  I = V/R = (9 v)/(6.7k) ≈ 1.3433 mA

The voltage across each resistor is the product of this current value and the resistance:

  R1 voltage = (1 kΩ)(1.3433 mA) = 1.3433 volts

  R2 voltage = 0

  R3 voltage = (4.7 kΩ)(1.3433 mA) = 6.3134 volts

  R4 voltage = (1 kΩ)(1.3433 mA) = 1.3433 volts

Answer:

40m/s

Explanation:

v²=u²+2as

v²=0²+2(16)(50)

v²=160v=40m/s

At point P, the electric potential is 0. This is due to the fact that the positive and as a result, at point P, their electric potentials are cancelled.

Positive and negative electrical charges are referred to as opposite forms of charge. A positively charged object will draw a negatively charged object, in accordance with our core concept of charge interaction.

We can apply the following equation to find the electric potential at point P: V = kQ/r1 - kQ/r2.

where:

k = Coulomb's constant (9 x 10⁹ N m²/C²),Q = magnitude of the charge (3.3 μC = 3.3 x 10⁻⁶ C), r1 = distance from the positive charge to point P (a = 0.35 m), r2 = distance from the negative charge to point P (a = 0.35 m)

Using these values, we can calculate the potential at point P as follows:

V = (9 x 10⁹ N m²/C²) * (3.3 x 10⁻⁶  C) / (0.35 m) - (9 x 10⁹ N m²/C²) * (3.3 x 10⁻⁶ C) / (0.35 m)

V = 0.

To know more about electric potential visit:-
https://brainly.com/question/12645463

#SPJ1

The magnitude of the displacement of the vector A is determined as 6.2 units.

The magnitude of the displacement of the vector is calculated as follows;

| A | = √[ (x₂ - x₁ )²  +  (y₂ - y₁ )² +  (z₂ - z₁ )²]

where;

The magnitude of vector A is calculated as;

| A | = √[ (2 - 0 )²  +  (3 - 0 )² +  (5 - 0 )²]

| A | = √ (4 + 9 + 25)

| A | = √ ( 38)

| A | = 6.2 units

Learn more about magnitude of vectors here: https://brainly.com/question/3184914

#SPJ1

The complete question is below;

If vector A represents displacement from point O(x1, y1,z1) and P(x2, Yz, Z2). find the magnitude of the displacement of vector A.

This question involves the concepts of heat capacity, temperature, and heat.

The heat absorbed by ethanol is "1228 cal".

The heat capacity of a substance is defined as the amount of heat absorbed by a unit amount of that substance for a degree rise in temperature. Mathematically,

\(Q = mc\Delta T\)

where,

Therefore,

Q = (50 g)(0.614 cal/g°C)(40° C)

Q = 1228 cal

Learn more about heat capacity here:

https://brainly.com/question/1453843

According to the information, the mass of the rock is found to be 2 kg.

Potential energy may be defined as a type of stored energy that depends upon the relative position of various parts of a system. This energy is held by an object because of its position relative to other objects, stresses within itself, its electric charge, or other factors.

According to the question, the potential energy is calculated with the help of the following formula:

where, P.E = 1960 J, g = 9.8 m/sec, and height = 100 m, mass = ?

mass = P.E / g × h = 1960/980 = 2 kg.

Therefore, the mass of the rock is found to be 2 kg.

To learn more about Potential energy, refer to the link:

https://brainly.com/question/14427111

#SPJ9

The Kinetic energy should use if the diffracted particles are : -

(a) electrons - 77.2 MeV

(b) neutrons - 3.20MeV

(c) alpha particles (m = 4u) - 0.80 MeV

a. For electrom, mc^2 = 511KeV = 8.176*10^{-14}J

Solving for K, we get:

\(K = \sqrt{(\frac{hc}{λ})^2+(mc^2)^2} - mc^2\\\)

Substituting the values of h, m, and λ, we get:

\(K = \sqrt{\frac{((6.63 * 10^{-34} * 3*10^8)}{16*15^{-15}} )^2 + (8.176*10^{-14})^2 - 8.176*10^{-14}\\\\\)

\(K = 1.234 * 10^{-11}J\)

K ≈ 77.2 MeV

b. For neturons, mc^2 = 940MeV = 1.504*10^{-10}J

\(K = \sqrt{\frac{((6.63 * 10^{-34} * 3*10^8)}{16*15^{-15}} )^2 + (1.504*10^{-10})^2 - 1.504*10^{-10}\\\\\)

\(K = 5.128 * 10^{-13}J\)

K = 3.20MeV

c. From alpha particles , mc^2 = 3.73MeV = 5.968*10^{-10}J

\(K = \sqrt{\frac{((6.63 * 10^{-34} * 3*10^8)}{16*15^{-15}} )^2 + (5.968*10^{-10})^2 - 5.968*10^{-10}\\\\\)

\(K = 1.294 * 10^{-13}J\)

K = 0.80 MeV

Kinetic energy is a quantity that depends on the mass and velocity of an object. Kinetic energy is often denoted by the letter "K" and is expressed in joules (J) in the SI unit system. The formula for kinetic energy is K = 1/2 * m * v^2, where "m" is the mass of the object and "v" is its velocity. This equation shows that the kinetic energy of an object increases with its mass and velocity.

Kinetic energy plays an important role in many areas of science and engineering. For example, it is used in the design of roller coasters, where the kinetic energy of the cars is converted into potential energy as they climb the first hill. Kinetic energy is also used in collision analysis, where the energy transferred during a collision can be calculated using the principles of conservation of energy.

To learn more about Kinetic energy visit here:

brainly.com/question/999862

#SPJ4

In order to determine the density of the pebble, Nabil requires a balance to measure the mass of the pebble.

The density of a substance is the measure of how tightly-packed the particles in the substance are.

Density is the ratio of the mass and volume of the substance.

To determine the density of a substance, the mass of the substance is measured with a balance and the volume of the substance if it is solid is measured using a displacement can and a beaker.

Learn more about density at: https://brainly.com/question/952755

#SPJ1

Answer:

Your answer is wavelength

Elements are arranged on the periodic table in terms of valence electrons based on their atomic number and electron configuration.

1. Elements are arranged on the periodic table in terms of valence electrons based on their atomic number and electron configuration. The valence electrons are the outermost electrons in an atom's electron shell, and they are crucial in determining the chemical properties and reactivity of elements.

2. Evidence from data tables can be shown by examining the electron configuration and the group and period numbers of various elements on the periodic table. Here is a simplified example:

Element   | Electron Configuration | Group | Period |

--------------------------------------------

Hydrogen  | 1s^1                              | 1     | 1      |

Lithium       | [He] 2s^1                     | 1     | 2      |

Carbon       | [He] 2s^2 2p^2          | 14    | 2      |

Oxygen      | [He] 2s^2 2p^4          | 16    | 2      |

Neon          | [He] 2s^2 2p^6          | 18    | 2      |

--------------------------------------------

3. The evidence from the data table supports the claim that the arrangement of elements on the periodic table is based on valence electrons.

- Group Trend: Elements within the same group (vertical columns) share the same number of valence electrons. In the example table, Hydrogen, Lithium, and Neon are all in Group 1, indicating they have 1 valence electron.

- Period Trend: Elements within the same period (horizontal rows) have the same number of electron shells. In the example table, Hydrogen and Lithium are in Period 1, indicating they have their valence electron in the first energy level. Carbon, Oxygen, and Neon are in Period 2, indicating they have their valence electrons in the second energy level.

By examining the electron configurations, group numbers, and period numbers, we can clearly see the trends and patterns in the number of valence electrons for both groups and periods on the periodic table. This evidence supports the claim that the arrangement of elements on the periodic table is based on their valence electrons, which play a crucial role in determining their chemical behavior and properties.

For more such questions on the periodic table:

https://brainly.com/question/15987580

#SPJ8

Answer:

The answer is in the attachment

Explanation:

!!PLEASE PLEASE PLEASE PLEASE PLEASE MARK ME THE BRAINLIEST!!

Answer:

5000 m/s

Explanation:

Answer:

Did you think you could pull that off-

:I

I live in Japan anyway so.. ウーフ-

Answer:

D.velocity

Explanation:

When unbalanced forces are applied to a moving bike along the direction its moving, the velocity of the bike changes.

Unbalanced forces causes a body to accelerate. Acceleration is the rate of change of velocity with time.

When unbalanced forces acts on a body, the velocity changes.

Answer:

c

Explanation:

when i did khan academy and chose the other answer provided on this post i got it wrong so just answer until it said i got it right

The graph shows the acceleration over time will be constant. Then the correct option is C.

Velocity is the time rate of change of displacement. The displacement and velocity both are vector quantities. They represent magnitude and direction as well.

Beth drives east at 30m/s then slows to a stop at the red light.

A graph of her velocity over time is shown below, where eastward is the positive velocity direction.

As he slows at a red light, deceleration occurs. Deceleration is negative acceleration.

Acceleration is the time rate of change of velocity.

Let's say for stopping 10 s. Then deceleration will be

a = 0 -30 /10 = - 3 m/s²

The negative sign represents the deceleration of the vehicle.

Thus, the graph shows the acceleration over time will be constant.

Then the correct option is C.

Learn more about velocity.

https://brainly.com/question/18084516

#SPJ5

Answer:

37.4m/s

Explanation:

since the car doesn't accelerate, we can use the formula v=ωr where v is linear speed, ω is angular speed (rads/second) and r is radius. Substitute values for equation:

v=55*0.68

v=37.40

The magnitude of the acceleration  of the engine that must be produced is 0.068 m/s².

The magnitude of the acceleration of the engine is calculated by applying the following kinematic equation.

s = vt + ¹/₂at²

where;

The acceleration of the engine in x direction is calculated as follows;

( 3.71 x 10⁸ x cos 46 ) = ( 1670 x cos73 )(8.64 x 10⁴) + ¹/₂ (ax)(8.64 x 10⁴)²

2.58 x 10⁸ = 4.22 x 10⁷ + 3.73 x 10⁹ax

3.73 x 10⁹ax = 2.16 x 10⁸

ax = ( 2.16 x 10⁸ ) / ( 3.73 x 10⁹ )

ax = 0.058 m/s²

The acceleration of the engine in y direction is calculated as follows;

( 3.71 x 10⁸ x sin 46 ) = ( 1670 x sin73 )(8.64 x 10⁴) + ¹/₂ (ay)(8.64 x 10⁴)²

2.67 x 10⁸ = 1.38 x 10⁸ + 3.73 x 10⁹ay

3.73 x 10⁹ay = 1.29 x 10⁸

ay = ( 1.29 x 10⁸ ) / ( 3.73 x 10⁹ )

ay = 0.035 m/s²

The magnitude of the acceleration  of the engine that must be produced is calculated as;

a = √ ( ax² + ay² )

a = √ ( 0.035² + 0.058² )

a = 0.068 m/s²

Learn more about acceleration here: https://brainly.com/question/14344386

#SPJ1

When a ball leaves a ramp with a horizontal velocity, it will follow a curved path known as a projectile motion. The ball will move both horizontally and vertically, with the horizontal velocity remaining constant and the vertical velocity changing due to the force of gravity.

At the point where the ball leaves the ramp, it will have a certain height and horizontal distance from the starting point. As it moves through the air, it will travel a certain horizontal distance before landing on the ground at a lower height.

Projectile motion is a type of motion in which an object is launched or thrown into the air, and then moves under the influence of gravity and air resistance. In projectile motion, the object follows a curved path called a trajectory, which consists of both horizontal and vertical components.

The motion of a projectile can be described in terms of its velocity, acceleration, and displacement. At the instant of launch, the object has an initial velocity that can be broken down into horizontal and vertical components. The horizontal component of velocity remains constant throughout the motion, while the vertical component changes due to the effect of gravity.

To know more about acceleration, visit:

https://brainly.com/question/12550364

#SPJ1

We have that the unit of the quantities are described

a.kg (m/s) (1/s)=Newton  

b. (kg/s) (m/s^2)=Newton

c. (kg/s) (m/s)^2=Newton  

d. (kg/s) (m/s)​=Newton

From the question we are give the units  

a.kg (m/s) (1/s)  

b. (kg/s) (m/s^2)  

c. (kg/s) (m/s)^2  

d. (kg/s) (m/s)​

a)  

Generally  

kg (m/s) (1/s) is Represented as Newton  

Where Newton is the unit Force and Weight

b)  

Generally  

(kg/s) (m/s) is the unit representation of Newton  

Therefore  

Newton

c)  

kg/s) (m/s) is the unit representation of Newton  

Therefore  

Newton

d)

Generally  

(kg/s) (m/s) is the unit representation of Newton  

Therefore  

Newton

For more information on this visit  

brainly.com/question/11800127

Answer:

False

Explanation:

17%

the answer to your question is false

Explanation:

Nuclear to chemical is the type of energy conversion that occurs when atoms are split in a chain reaction and a large explosion occurs.