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3 years ago

What is the formula or equation formotion,speed and energy?

Chemistry

2 answers:

DedPeter [7]3 years ago

7 0

Energy is equal to motion over speed

miv72 [106K]3 years ago

7 0

If you are asking for the formula for kinetic energy it would be the following:

KE = 1/2 • m • v^2.

This equation takes into the consideration of an object that is in motion, irrespective of its size and enables one to compute the energy associated with motion or kinetic energy that particular object has.

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Please please !!! help me I’ve been doing this for 2 hours

MatroZZZ [7]

Answer:

3.7 x 10^23

is the right answer

6 0

2 years ago

Calculate the wavelength, in nanometers, of the spectral line produced when an electron in a hydrogen atom undergoes the transit

Lapatulllka [165]

<u>Answer:</u> The wavelength of spectral line is 656 nm

<u>Explanation:</u>

To calculate the wavelength of light, we use Rydberg's Equation:

$\frac{1}{\lambda}=R_H\left(\frac{1}{n_f^2}-\frac{1}{n_i^2} \right )$

Where,

$\lambda$ = Wavelength of radiation

$R_H$ = Rydberg's Constant = $1.097\times 10^7m^{-1}$

$n_f$ = Final energy level = 2

$n_i$ = Initial energy level = 3

Putting the values in above equation, we get:

$\frac{1}{\lambda }=1.097\times 10^7m^{-1}\left(\frac{1}{2^2}-\frac{1}{3^2} \right )\\\\\lambda =\frac{1}{1.524\times 10^6m^{-1}}=6.56\times 10^{-7}m$

Converting this into nanometers, we use the conversion factor:

$1m=10^9nm$

So, $6.56\times 10^{-7}m\times (\frac{10^9nm}{1m})=656nm$

Hence, the wavelength of spectral line is 656 nm

6 0

3 years ago

What type of inter-molecular forces are present in C12H22o11 (AKA sugar)

Fed [463]

Since the molecule contains Hydrogen and is covalently bonded, it contains dipole-dipole forces and hydrogen bonds.

3 0

3 years ago

Question 7 (1 point)

Kamila [148]

1.Organism
2.Organ system
3.Organs
4.Tissues
5.Cell

6 0

3 years ago

Read 2 more answers

What is a free body diagram? what is it used for?

shepuryov [24]

Answer:

A free body diagram is used to calculate static and dynamic forces acting on an object. In other words, a free body diagram is the starting point to develop a mathematical model to find and calculate various forces acting on a body.

Explanation:

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3 years ago