Name 3 things you have in your home that you could use to make an electromagnet.

Answers

Answer 1

Answer:

radio TV set and telephone


Related Questions

What does 1 N = ? please I need help?​

Answers

[tex]1~N = 1~ \text{kg~ms}{^{-2}[/tex]

1 N = 1 kg × m/s²

One Newton is equal to 1 kilogram multiplied by meter by second squared.

_____

Hope it helps ⚜

how do humans affect the lithosphere

Answers

By farming, building structure, mining and all manner of activities that change the original.

What is/are the difference between wavelength and spectral lines?

Answers

Answer:

Definition of spectral line: one of a series of linear images formed by a spectrograph or similar instrument and corresponding to a narrow portion of the spectrum of the radiation emitted or absorbed by a particular source.

Definition of Wavelength: can be defined as the distance between two successive crests or troughs of a wave. It is measured in the direction of the wave. ... Wavelength is inversely proportional to frequency. This means the longer the wavelength, lower the frequency.

So, the spectrum is the range of wavelength in visible light. While, wavelength is the length of a wave.

Explanation:

I hope this helps!

An object is in equilibrium. Which force vector diagram could represent the force(s) acting on the object

Answers

Answer:

velocity and force

Explanation:

Velocity and force vector diagram represent the force acting on the object.

What is vector diagram?

Diagrams are called vector diagrams to use a vector arrowhead to show the magnitude or direction of a vector quantity. The velocity of an item in motion could be represented in vector diagrams. A vector diagram might be used, for instance, to depict the motion of an automobile traveling down a road.

What is force?

A force was an influence that will have the power to alter an object's motion.

Therefore, velocity and force vector diagram represent the force acting on the object.

To know more about vector and force.

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1. if the work done to move a box to a distance of 6 metres equals 120 joules. calculate the force​

2. Calculate the potential energy of a book with a mass of 1.5 kg placed on top of a shelf with a height of 2 m.
(Knowing that the acceleration due to gravity = 10 m/s2
).

3. What is meant by?
The potential energy of an object = 20 joules.

Answers

Explanation:

1. W = F x D

F = W/D

F = 120/6 = 20Newton

2. P. E = mgh

P. E = 1.5x10x2 = 30Joules

3. It means that the energy the body possesses at that point is 20Joules

How to calculate angular velocity.

Answers

Answer:

Answer below

Explanation:

We can rearrange this statement to get the angular velocity equation: = r v / |r|2, where all of these variables are vectors and |r| is the radius's absolute value. The angular velocity is really a pseudovector with a direction perpendicular to the plane of rotational movement.

The rotating movement of bodies is described by angular velocity. It determines how quickly they rotate around a central point. Rotations may be divided into two categories. The first explains the motion of an object's centre of mass around a certain point in space, which is referred to as an origin. Planets orbiting the Sun, for example, or an automobile exiting a roadway are two instances.

The first angular velocity equation is similar to the linear velocity equation: = (2 - 1) / t = / t, where 1 and 2 are two values of angles on a circle, and is the difference between them. t is the time it takes for the angle to shift. As you can see, there is a ratio of the positional change in a period for normal velocity, but we utilise angle instead of distance here. Definition of angular velocity using linear velocity The second angular velocity formula, v = r, may be obtained from the linear velocity and radius relationship using the cross product.

_______________________________________________________

(Hope this helps can I pls have brainlist (crown)☺️)

What electromagnetic wave is used in nuclear research and mineral exploration?.

Answers

The electromagnetic wave used  in nuclear research and mineral exploration are gamma rays.

Electromagnetic waves refer to those rays that are found in the electromagnetic spectrum. They are collectively called light. Electromagnetic waves are used for different purposes.

Gamma rays are useful in nuclear research especially in identifying decaying radionuclides. Also, gamma rays are used for geologic mapping, mineral exploration, and identification of environmental contamination.

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A narrow slit is illuminated with sodium yellow light of wavelength 598 nm. If the central maximum extends to latex: \pm30^\circ± 30 â, how wide is the slit?.

Answers

Answer:

because of the gravity of the earth

How many minutes did it take for all of the gold in the sample to change from solid to liquid? Time taken minutes =​

Answers

Calculate the amount of time it takes to heat the water by dividing the power used to heat the water, which was determined to be 1.867 with the heater element rating, listed in kW. So if your heater element rating was 3.6 kW, your equation would look like this: heating time = 1.867 ÷ 3.6, or heating time =0.52 hours.

which color of light, red or blue, travels faster in crown glass?

Answers

Answer:

Red

Explanation:

The index of refraction for red light in crown glass is smaller than the index of refraction for blue light, which means the speed of red light is larger than the speed of blue light in crown glass.

A piece of iron has a density of 7.86 g/cm3 and a mass of 1.09 x 10^-1 kg. Calculate the volume of the piece of iron.

Answers

Calculate mass of lead:
1.00 cm3 lead x 11.4 g/cm3 = 11.4 g lead on one side of balance

To balance that, one needs 11.4 g of iron on the other pan. Calculate volume of iron to give you 11.4 g:
11.4 g iron x 1 cm3/7.87 g = 1.45 cm3 of iron needed


Brain list please

2. If Joe rides his bicycle in a straight line for 15 min with an average velocity of 12.5 km/h south, how far has he ridden?

Answers

Answer:

3.125 Kilometers

Explanation:

To answer this you just multiply 12.5 by .25 (since 15 minutes is a quarter of an hour) to get 3.125 kilometers ridden.

Plzzzzzzzzz
Help
Will give brainlessness

Answers

Answer:

1. A

2. A; distance is scalar, displacement is vector

3. C ; position is on the y-axis

If you blow up a balloon, tie it off, and release it, it will fall to the ground.
Why does it fall instead of float?
NO LINKS YA FILTHY VERMINS

Answers

Answer:

carbon dioxide (what you are blowing up the balloon with) is a heavy gas. so when you fill the Balloon with it, the balloon will not float. helium is a light gas and floats. gravity takes another. part in this

Global warming means that

Answers

Answer:

The earth is heating up.

Explanation:

This is due to human activities, primarily fossil fuel burning, which increases heat-trapping greenhouse gas levels in Earth's atmosphere.

The ______ of Saturn vary in thickness and are composed of icy chunks ranging in size from sand to boulders (and even larger).

Answers

Answer:

"rings" - viewed from a distance, Saturn appears to be surrounded by rings

the free body diagram shown above is for a 5 kg box on a rough surface being pulled to the right at a constant speed by a string that is at an angle of 30° above the horizontal. the coefficient of kinetic friction between the box and the surface is 0.30. the tension in this string is most nearly:

Answers

The tension in the string pulling the box is most nearly 17 N.

The given parameters;

mass of the box, m = 5 kginclination of the string, θ = 30°coefficient of kinetic friction, μ = 0.3

The tension on the string is calculated by applying Newton's second law of motion as follows.

[tex]\Sigma F = ma[/tex]

at constant speed, acceleration, a, = 0

[tex]\Sigma F = 0\\\\T_x - \mu F_n = 0\\\\Tcos(\theta) - \mu F_n = 0\\\\Tcos(\theta)= \mu F_n\\\\T = \frac{\mu F_n}{cos(\theta)} \\\\T = \frac{0.3 \times 5 \times 9.8}{cos(30)} \\\\T = 16.97 \ N\\\\T \approx 17 \ N[/tex]

Thus, the tension in the string pulling the box is most nearly 17 N.

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A very light rod 40cm long is pivoted at the centre. A weight of 50N is placed at one end. Where is the place to put a weight of 200N in order that the rod is in equilibrium?

Answers

Hi there!

We can go about this problem using a summation of torques.

In order to ensure the rod is in equilibrium, we must satisfy the condition:

Στ = 0

Since the rod is "very light", we can disregard its mass.

The equation for torque is:

τ = rFsinθ

In this instance, the torques are the weights of the objects and their distance from the pivot.

As the rod is 40 cm, the pivot is at 20 cm. Also, the torques must sum up to 0, so:

0 = rF1 - rF2

r1F1 = r2F2

0.20(50) = r2(200)

Solve:

10 = r2(200)

r2 = 0.05 m = 5 cm

The 200N weight must be put at a distance of 5 cm from the OTHER SIDE of the pivot in order to balance the rod.

PLS HURRY THIS IS DUE TODAY!!!
I WILL GIVE BRAINLIEST!!!!
NO LINKS AND NO STEALING POINTS,
PLS ANSWER IF YOU KNOW FOR SURE WHAT IT IS!!!
THE QUESTION IS IN THE PICTURE ATTACHED!

Answers

Answer:

B. between carbon and oxygen

Explanation:

formaldehyde has a carbon atom that has single bonds with two hydrogen atoms on both sides, and it has a double bond with oxygen.

Answer:

The placement of the double bond is between carbon atom and oxygen atom

this same question was for me so I did and got it correct

please mark me as brainliest

Please I need help fast <3

Answers

Answer:

Where is the picture send again please

Explanation:


The total mass of the carts is 1000 kg. The first
drop is 77.7 m. What is the speed of the coaster
at the bottom of the hill?

Answers

Answer:41xm/s

Explanation:

Answer:41xm/s

Explanation:

I found this for you hope it helps.

choose 3 ways to keep our bodies healthy
. play in the mud
.sanitize your hands
. break a window
. eat vegies
. eat burgers
. take daily showers
. bite your arm
(i already know it)

Answers

Sanitize your hands, eat veggies, take daily showers. Hope this helped! (No explanation needed lol)



This was fun to answer.

NO LINKS! What are the definitions of initial horizontal velocity and initial vertical velocity? Please help! This like is my 10th time asking this question because many people have been scamming me.

Answers

Explanation:

Initial horizontal velocity

If a projectile is launched at an angle to the horizontal, then the initial velocity of the projectile has both a horizontal and a vertical component. The horizontal velocity component (vx) describes the influence of the velocity in displacing the projectile horizontally.

The initial horizontal velocity can also be determined by measuring the diameter d of the ball and dividing by the time t that it takes for the ball to move across the photogate. That is Vo = d/t.

Initial vertical velocity

Vertical velocity refers to the speed of an object's movement in a vertical direction.The initial vertical velocity is the vertical component of the initial velocity: v 0 y = v 0 sin θ 0 = ( 30.0 m / s ) sin 45 ° = 21.2 m / s .

In which material does the light wave have the larger wavelength?

Answers

Answer: in the smaller/ thinner pieces.

Which wave has the highest frequency?

Answers

Answer:

e

Explanation:

It is possible to create a wave having some frequency on a rope and then gradually it will become faster. During this time wavelength becomes shorter. Here the wave 'e' is found to has highest frequency. The correct option is E.

What is frequency of a wave?

The number of oscillations of a wave per unit time is defined as the frequency. It is usually measured in Hertz and the frequency is directly proportional to the pitch. Humans can hear sounds with frequencies ranging between 20-20000 Hz.

The sounds with frequencies over the human ears range are called the ultrasonic sound and sounds with frequencies less than the audible range are called infrasonic sound. The wavelength and frequency are inversely proportional to each other.

When wavelength increases, frequency decreases and vice versa. So here wave E has maximum number of vibrations.

Thus the correct option is E.

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URGENT! 40 POINTS! For each situation below, make a model of the situation and find the work done on the box using both energy and forces.


1. A 2 kg box with some initial velocity slides up a frictionless ramp, which is at a 15ᵒ


angle to the ground, until the box comes to rest 1 second later.


2. A 2 kg box initially at rest slides down a frictionless ramp (at 15ᵒ from the ground) for


1 second.


3. A 2 kg box is thrown upward with an initial speed of 3.5 m/s. Consider the box from


the time it was thrown until it reaches its maximum height.


4. A 2 kg box is dropped from an initial height of 10 m.



I have some physics, I just don't know what formulas to use or where to start. Help is much appreciated.

Answers

Answer:

i dont know but ask your mom for help

Explanation:

some brainly things dont work so ask your mom for some help or someone you know ok

3.2.1.3.2 Practice with Work and Forces …A_K_

The amount of heat that is needed to raise the temperature of 1
kg of some material by 1°C is called the of the material.
a. specific heat
b. state
c. temperature
d. charge

Answers

Answer:

a. specific heat

Explanation:

a. specific heat

A. Specific heat

Explanation:

The specific amount of heat produced to an object of specific mass is known as specific heat.

why the speed of sound in solid and liquid is not signoficantly affected by temperature

Answers

Explanation:

because the molecules are closer together and more tightly bonded in solids

Describe the changes that occur inside a helium balloon as it rises from sea level

Answers

Answer:

The balloon expands in the number of particles per cubic centimeter decreases. This happens because as it expands there is a decrease in the density of area. The Dead Sea is a solution that is so dense that you easily float on it.

The efficiency of a motor is 15%. The student calculated the useful output energy transfer is 1.20J. Calculate the total input energy transfer.

Answers

Answer:

[tex]8.0\; \rm J[/tex].

Explanation:

The efficiency of a machine is the ratio between the useful output and the energy input:

[tex]\begin{aligned}\text{efficiency} &= \frac{\text{useful output}}{\text{energy input}} \times 100\%\end{aligned}[/tex]

Rearrange this equation to find energy input in terms of efficiency and useful output:

[tex]\displaystyle \text{energy input} = \frac{\text{useful output}}{\text{efficiency} / (100\%)}[/tex].

Substitute in the values: [tex]\text{useful output} = 1.2\; \rm J[/tex] and [tex]\text{efficiency} = 15\%[/tex]. Evaluate to find the value of [tex]\text{energy input}[/tex]:

[tex]\begin{aligned} \text{energy input} &= \frac{\text{useful output}}{\text{efficiency} / (100\%)} \\ &= \frac{1.20\; \rm J}{15\% / (100\%)} \\ &= 8.0\; \rm J\end{aligned}[/tex].

(Rounded to two significant figures as in the value of efficiency.)

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4. If the speed of an object increases, its kinetic energystays the samedecreasesincreases Nate worked for 12 hours last week. He took out $33 to put in his savings account and still had $99 to spend. Write an equation to find how much money Nate made per hour. A litter of puppies consists of black puppies and white puppies. Apuppy is randomly selected and removed from the litter. Then anotherrandom selection is made from the remaining puppies.Event A: The firstselection is a blackpuppy.Event B: The secondselection is a whitepuppy.Is A dependent on B? i need help on this last question The emotional atmoshere a reader sences in a poem or story is referred toas its Plz hurry and DONT give me a link The point (-5, 6) is located in which quadrant?864ND2-9 -6 -4-4-2248 8 x-4-6-8O Quadrant !Quadrant Il0 Quadrant IIIQuadrant IV over / thousand / two / peolple / part / took / in / the / event Read the following sentence. Then tell which statement is true. After eating so much, I felt as big as a house.A) The sentence contains a metaphor.B) The sentence contains a simile.C) The sentence is an interrogative sentence.D) The sentence contains a spelling error. PLEASE HURRY !!!!!!!What is the goal of most advertisements?to create a strong desire for the product or service advertisedto convince people that their survival depends on a single productto ensure that consumers are aware of the company's brandto generate positive and happy feelings in their target audiences what is the maximum concentration of salt in water for an ecosystem to be classified as a freshwater system? people magazines newest ""sexiest man alive"" appeared in what marvel studios film? Individuals should participate in __________ exercises to increase cardiovascular endurance.A.progressionB.anaerobicC.overloadD.aerobic what are the morphological and production characteristics of hampshire swine/pig? When additional stock is issued to finance implementation of strategy, the existing stockholders' ownership and control of the enterprise are strengthened. I RELLY NEED HELP RIGHT NOW Given that 35 .Which theorem proves that de?alternate exterior angles theoremconverse of the alternate interior angles theoremconverse of the alternate exterior angles theoremalternate interior angles theorem Graph this inequality:y 1/4x which factor most unified western europe during the middle ages please help im failing Avoiding idioms when communicating to a diverse audience is an importantaspect of adapting a message for..A. contextB. cultureC. environmentD. language