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Svetlanka [38]
2 years ago
7

Free point cuz i cewl like dat‍♀️‍♂️

Physics
2 answers:
DedPeter [7]2 years ago
8 0
Yes thank u teehee




.................... x
Soloha48 [4]2 years ago
4 0

Answer:

answer: daisy. hope this helps!

Explanation:

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He starter motor of a car engine draws a current of 170 AA from the battery. The copper wire to the motor is 6.00 mmmm in diamet
sweet-ann [11.9K]

Answer:

129.2 C

0.33758239177 mm

Explanation:

n = Number density = 8.46\times 10^{28}\ electrons/m^3

i = Current = 170 A

t = Time taken = 0.76 s

d = Diameter = 6 mm

Charge is given by

q=it\\\Rightarrow q=170\times 0.76\\\Rightarrow q=129.2\ C

The charge passing throught the motor is 129.2 C

Current density

J=\dfrac{i}{A}\\\Rightarrow J=\dfrac{170}{\dfrac{\pi}{4}\times (6\times 10^{-3})^2}\\\Rightarrow J=6012520.07236\ A/m^2

Drift velocity is given by

v_d=\dfrac{J}{ne}\\\Rightarrow v_d=\dfrac{6012520.07236}{8.46\times 10^{28}\times 1.6\times 10^{-19}}\\\Rightarrow v_d=0.000444187357592\ m/s

Distance traveled

s=v_dt\\\Rightarrow s=0.000444187357592\times 0.76\\\Rightarrow s=0.00033758239177\ m=0.33758239177\ mm

The electron traveled 0.33758239177 mm

8 0
3 years ago
What does the outer part of the disk turn into?
My name is Ann [436]

Answer:

what does the outer part of the disk turn into

Explanation:

4) it gets sucked into the star

8 0
3 years ago
Velocity is:
Romashka-Z-Leto [24]

Answer:

A

Explanation:

A is correct as Velocity includes the + and - signs, indicating the direction followed by the magnitude which is the speed.

B is Wrong. Velocity is <em>d</em><em>i</em><em>s</em><em>p</em><em>l</em><em>a</em><em>c</em><em>e</em><em>m</em><em>e</em><em>n</em><em>t</em><em> </em>divided by time.

C Im not sure, Sorry..

D is wrong. Same explanation as B

4 0
3 years ago
HELPPP<br> why is the united states considered energy rich, while japan is considered energy poor
Temka [501]

Answer:

Energy resources can be measured.  They will include the fossil fuels, geothermal and hydroelectric potential, and increasingly the renewable resources.  When the US list is compared to the World it is considered energy Rich.  When Japan's list is compared to the world standard it considered energy poor.  

A changing technology like nuclear fusion could substantially change the assessment.

Japan does not have any substantial, oil, coal, gas, deposits, while the US does.

Explanation:

6 0
3 years ago
A garbage truck crashes head-on into a Volkswagen and the two come to rest in a cloud of flies. Which experiences the greater fo
Artist 52 [7]
The volkswagon experiences a greater force as it was hit by a larger object that had a larger mass than itself
8 0
3 years ago
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