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yarga [219]
3 years ago
8

Which descriptions best fit the labels? X: kinetic energy Y: potential energy X: potential energy Y: kinetic energy X: mechanica

l energy Y: electrical energy X: electrical energy Y: mechanical energy
Physics
1 answer:
Pani-rosa [81]3 years ago
3 0
W-APE. For example, work W done to accelerate a positive charge from rest is positive and results from a loss in PE, or a negative APE. There must be a minus sign in front of APE to make W positive. PE can be found at any point by taking one point as a reference and calculating the work needed to move a charge to the other point.

( The capital A’s in the words are supposed to be triangles ! I also hoped this helped ! Please mark me as brainliest !! )
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Two metal disks are welded together and are mounted on a frictionless axis through their common centers. One disk has a radius R
Airida [17]

The Inertia is 22. 488 kg. m² and the speed just before it hits the ground is 6. 4 m/s

<h3>How to determine the inertia</h3>

Using the formula:

I = 1/2 M₁R₁² + 1/2 M₂R₂²

Where I = Inertia

I = 1/2 * 0.810* (2. 60)² + 1/2 * 1. 58 * (5)²

I = 1/2 * 5. 476 + 1/2 * 39. 5

I = 2. 738 + 19. 75

I = 22. 488 kg. m²

To determine the block's speed, use the formula

v = \sqrt{2gh}

v = \sqrt{2* 10 * 2. 10}

v = \sqrt{42}

v = 6. 4 m/s

Therefore, the Inertia is 22. 488 kg. m² and the speed just before it hits the ground is 6. 4 m/s

Learn more about law of inertia here:

brainly.com/question/10454047

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7 0
2 years ago
What are possible formulas for impulse? Check all that apply. J = Ft J = J = Fv J = J = mv J = p
Dmitry_Shevchenko [17]
In general, impulse = F x time=mxv
if J is the impulse, J=<span>Ft, J=mv, and J=p because p=mv
possible formulas are
</span><span>J = Ft,   J = mv  and J = p</span>
8 0
3 years ago
What is the surface temperature of a star that has a peak wavelength of 290 nm?
Maksim231197 [3]
We need to use Wien's Law

Wavelength = 0.0028976 [m.K] / T

This establishes a relation between the wavelength and temperature of a black body (any body that absorbs radiation, such as the stars)

T = 0.0028976 [m.K]/290 E-9[m]  = 9991.724 K
5 0
3 years ago
In a physics lab, you measure the vibrational-rotational spectrum of hcl. the estimated separation between absorption peaks is:_
BlackZzzverrR [31]

The appropriate value in blank given is Δf = 5.5 x 10^{11} Hertz.

We have vibrational - rotational spectrum Hydrochloric Acid.

We have to investigate the estimated separation between absorption peaks and fill the blank.

<h3>What is vibrational - rotational spectrum ?</h3>

Rotational–vibrational spectroscopy is a branch of molecular spectroscopy. It deals with the infrared and Raman spectra of molecules in the gaseous phase.

According to the question -

The estimated separation between absorption peaks in the vibrational-rotational spectrum of HCl is denoted by Δf and is equal to -

Δf = 5.5 x 10^{11} Hertz

Hence, the appropriate value in blank given is Δf = 5.5 x 10^{11} Hertz.

To learn more about vibrational-rotational spectrum, visit the link below-

brainly.com/question/18403840

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8 0
1 year ago
3 Points Ricardo is going to take a flight from New York, New York, to Memphis, Tennessee. The flight leaves New York at 10:15 a
jek_recluse [69]

Answer:

2 hrs 45 minutes

Explanation:

You have to minus one hr because of tome change

3 0
3 years ago
Read 2 more answers
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