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lara [203]
3 years ago
7

01

Physics
2 answers:
torisob [31]3 years ago
6 0

Answer:

Food being broken down by in u stomach

A

Explanation:

Hope I helped you

¶EmmaJess¶

bazaltina [42]3 years ago
3 0

Answer:

A

Food being broken down by enzymes in your stomach

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When placed near another charge, a 20 microcoulomb charge experiences an attractive force of 0.080 N. What is the electric field
prohojiy [21]

Answer:

E = 4000 N/C

Explanation:

Given the following data;

Force = 0.080 N.

Charge, q = 20 microcoulomb = 20 * 10^-6 = 2 * 10^-5 Coulombs

To find the electric field strength;

Mathematically, the electric field strength is given by the formula;

Electric field strength = force/charge

Substituting into the formula, we have;

E = 0.080/0.00002

E = 4000 N/C

8 0
3 years ago
Calculate the kinetic energy of an 800 kg car when it is going at
Mashcka [7]

Answer:

I A 1000 kg car is traveling at 20 m/s. How much kinetic energy does it. Here, Given- mass=1000kg Speed=20m/s Formula ...

Missing: 13.4m/s ‎| Must include: 13.4m/s

Explanation:

3 0
3 years ago
A ball is revolving horizontally in a circle of radius 1.8 m, and is held by a rigid, massless rod. The mass of the ball is 0.1
OLga [1]

Answer:

 \omega=15 \ rad/s

Explanation:

given,

radius of circle = 1.8 m

mass of the ball = 0.1 Kg

linear speed of the ball = 27 m/s

angular velocity of orbit = ?

 v =  r \omega      

ω is the angular speed of the circle

 \omega=\dfrac{v}{r}      

 \omega=\dfrac{27}{1.8}        

 \omega=15 \ rad/s              

the angular velocity of the orbit is \omega=15 \ rad/s

4 0
3 years ago
Given that the wavelengths of visible light range from 400 nm to 700 nm, what is the highest frequency of visible light? (ccc =
enot [183]

7.5 × 10¹⁴ Hz is the highest frequency of visible light when wavelengths of visible light range from 400 nm to 700 nm.

The distance a wave travels in one unit of time is known as the wave speed (v).Taking into account that the wave travels one wavelength in one interval,

v=λ/T

Given that T = 1/f, we can write the equation above as,

V = f λ

Given data:

Minimum wavelength of visible light = 400 nm = 4 × 10⁻⁷ m

Speed of light = 3 × 10⁸ m/s

Frequency = c/λ = 3 × 10⁸ / 4 × 10⁻⁷

= 7.5 × 10¹⁴ Hz

To learn more about Frequency: brainly.com/question/16200748

#SPJ4

4 0
1 year ago
Two deuterium nuclei, H, fuse to produce a tritium nucleus, H, and a hydrogen nucleus. A neutral deuterium atom has a mass of 2.
Nesterboy [21]

<u>Answer:</u> The amount of energy released in the process is 4.042 MeV.

<u>Explanation:</u>

The chemical reaction for the fusion of deuterium nucleus follows the equation:

_1^2\textrm{H}+_1^2\textrm{H}\rightarrow _1^3\textrm{H}+_1^1\textrm{H}

Atomic mass of the nucleus also contains some mass of the electrons.

Mass of electron in MeV/c^2 is 0.511MeV/c^2

  • <u>Calculating the mass of deuterium nucleus:</u>

m(_1^2\textrm{H})=(2.014102u)\times (931.494MeV/c^2.u)-\text{Mass of electron}

So, initial mass of the reaction = 2[(1876.124MeV/c^2)-(0.511MeV/c^2)]=3751.226MeV/c^2

  • <u>Calculating the mass of tritium nucleus:</u>

m(_1^3\textrm{H})=(3.106049u)\times (931.494MeV/c^2.u)-\text{Mass of electron}

m(_1^3\textrm{H})=(3.106049u)\times (931.494MeV/c^2.u)-(0.511MeV/c^2)=2803.921MeV/c^2

So, final mass of the reaction = 2803.921-[(1.007267u\times 931.494MeV/c^2.u)]=3747.184

Difference between the masses of the nucleus:

\Delta m=m_{initial}-m_{final}\\\\\Delta m=(3751.226-3747.184)MeV/c^2=4.042MeV/c^2

Energy released in the process is calculated by using Einstein's equation, which is:

E=\Delta mc^2

Putting value of \Delta m in above equation, we get:

E=(4.042MeV/c^2)\times c^2\\\\E=4.042MeV

Hence, the amount of energy released in the process is 4.042 MeV.

4 0
3 years ago
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