Please help I have no idea

Answer:

using a seismograph

Explanation:

Answer: an object in motion stays in motion unless acted upon by an unbalanced force

Explanation: this is Newton’s first law of motion, which states that an object, whether in a moving or resting state, will continue to stay in that state unless there is an unbalanced force that changes that state. For a moving object, an example would be friction worth the ground. For a resting object, an example would be the force of a push.

Answer:

Explanation:

its reading the caliper

as the 0 lines up w the 1/8" mark, it is 1 1/8"

Answer:

The minimum thickness will be stamped somewhere. You see there's part numbers and other things here you might need to use a wire brush to kind of clean it up but that's the thicknessUse a micrometer at the thinnest point on the surface of the rotor where it meets the pads to measure the minimum operational thickness. If your rotor needs to be cut or has worn passed this thickness, you'll need new rotors. You may also discover your rotor has Disc Thickness Variation.

Answer:

How does space exploration affect the economy of Florida?

A) Since rockets launched from Florida are paid for by the federal government, there is a positive effect on Florida's economy.

Answer:

False

Explanation:

The range of a projectile is the horizontal height reached

Answer:

A

Explanation:

Answer:

true

Explanation:

sup

Answer:

Sí se puede aplicar el Principio de Conservación de la Energía Mécanica siempre y cuando se considere los efectos de pérdida de energía a causa del rozamiento, de lo contrario, no se cumpliría el requisito de conservación derivado del citado principio de conservación.  

Explanation:

Consideremos que el cuerpo representa nuestro sistema de estudio, el cual se desplaza por una carretera y experimenta rozamiento, significando cambios en la energía cinética y potencial gravitacional. La presencia de rozamiento indica una disipación de la energía del cuerpo, cuya energía mecánica total disminuye, significando un sistema no conservativo.

Sí se puede aplicar el Principio de Conservación de la Energía Mécanica siempre y cuando se considere los efectos de pérdida de energía a causa del rozamiento, de lo contrario, no se cumpliría el requisito de conservación derivado del citado principio de conservación.  

Globular star clusters form from tightly packed groups and/or older ancient stars.

Globular star clusters can be defined as ancient stars packed in a spherical and/or symmetrical shape.

Globular star clusters represent the most common types of groups (i.e., clusters) of ancient stars.

These groups of stars (globular) are characterized to be densest in the center of the cluster.

In conclusion, globular star clusters form from tightly packed groups and/or older ancient stars.

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Answer: ITS T

Explanation:

In a motor, electrical current enters through the brushes. TRUE.

Answer:

the value of the question is 1 because of the indicies rule.

Answer:

1

Explanation:

because

Answer:

the use of physics in our life is to be a science student.

Answer:

E = 950 J

Explanation:

The total amount of energy that can be transformed into gravitational energy will be equal to the kinetic energy of the ball at initial state:

[tex]E = K.E = \frac{1}{2} mv^2[/tex]

where, E = Energy = ?

m = mass of the ball = 19 kg

v = initial speed of the ball = 10 m/s

Therefore,

[tex]E = \frac{1}{2} (19\ kg)(10\ m/s)^2[/tex]

E = 950 J

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it's on the screenshot, apparently it was inappropitae so i couldnt submit it here

Answer:

the answer is C a material or substance

Explanation:

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Answer:

[tex]n=1.86*10^{-30}m^3[/tex]

Explanation:

From the question we are told that:

Fermi energy of conduction electrons [tex]E_f=0.548J[/tex]

Generally the equation for Fermi energy is mathematically given by

 [tex]E_f=\frac{3}{\pi}^2/3*\frac{h^2}{8m}*{n^{2/3}}[/tex]

 [tex]E_f=\frac{3}{\pi}^2/3*\frac{h^2}{8m}*{n^{2/3}}[/tex]

 [tex]{n^{2/3}}=\frac{E_f}{\frac{3}{\pi}^2/3*\frac{h^2}{8m}}[/tex]

Where

h= Planck's constant

 [tex]{n^{2/3}}=\frac{E_f}{\frac{3}{\pi}^2/3*\frac{h^2}{8m}}[/tex]

 [tex]{n^{2/3}}=\frac{0.548J}{3.62*10^{-19}}[/tex]

 [tex]n=(1.51*10^{-20})^{3/2}[/tex]

 [tex]n=1.86*10^{-30}m^3[/tex]

Answer:

Could you give information about the lab

Explanation:

Answer:

The spectrum of each astronomical object

Explanation:

I took the test and got it right

Answer:

A prism causes the different wavelengths of light or colors that can be found in white light because the prism is white, and white light contains all colors in the visible light spectrum. So an object that reflects all the colors in the visible light spectrum will appear white in color because white light contains all colors in the visible light spectrum.

Explanation:

I hope this helps! I just did a test with this question and I got the answer right! This is the answer that I put. Good luck :)

Explanation:

Given:

m1 = 0.55 kg

m2 = 0.45 kg

vi1 = +5.8 m/a

vi2 = -3.9 m/a

Solve for V

m1vi1 + m2vi2 = (m1 + m2)V

(0.55 kg)(+5.8 m/s) + (0.45 kg)(-3.9 m/s) = (0.55 + 0.45)V

V = +1.46 m/a

This means that the combined mass after the collision is moving to the right at 1.46 m/s

Answer:

b

Explanation:

Machine 2’s mechanical advantage is greater, which means that this machine can do more work with less force than Machine 1.

The term mechanical advantage is the ratio of the radius of wheel to the radius of the axle for a wheel and axle system.

The true statement about the two machines that were compared; 1 and 2 is that, machine 2’s mechanical advantage is greater, which means that this machine can do more work with less force than Machine 1.

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Answer:

Initial velocity is defined as the velocity at time t=0.

Its Unit is m/s.

represented by u.

calculated by using formula.

v=u+at

u=v-at.

Answer:

Initial velocity is the velocity which the body has in the beginning of the given time period

Hope it helps

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Answer:

Soaps and detergents are made from long molecules that contain a head and tail the detergent molecules also help to make the washing process more effective by reducing the surface tension of the water. Surface tension is the force which helps a blob of water on a surface hold its shape and not spread out.

Answer:

A

Explanation:

Answer:

The halogens are the family of chemical elements that includes fluorine (atomic symbol F), chlorine (Cl), bromine (Br), iodine (I), and astatine (At). The halogens make up Group VIIA of the Periodic Table of the elements. Elemental halogens are diatomic molecules.

Elements: Fluorine; Iodine; Bromine; Astatine

Explanation:

Answer:

Gamma rays and x rays

Explanation: just took the test

Gamma rays and X-rays have higher frequencies than the waves that make up ultraviolet light. Hence option D is correct.

Electromagnetic spectrum is nothing but the range of wavelengths or frequencies on which electromagnetic radiation extend. it is whole distribution of electromagnetic waves according to frequency or wavelength. Electromagnetic wave is nothing but a photon which carries energy. Photon wave has frequency, wavelength as well as amplitude.

Electromagnetic spectrum is show in figure.

There is inverse relation between wavelength and frequency as υ = c/λ

where υ is the frequency, λ is the wavelength and c is the speed of light.

as wavelength increases, frequency decreases vice verse.

In this figure we can see that radio waves has highest wavelength hence it has lowest frequency. X ray and gamma rays has lowest wavelength hence it has highest frequency.

Hence option D is correct.

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