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Tom [10]
3 years ago
8

8. How is acceleration dependent on the speed and direction of an object?

Chemistry
1 answer:
Sphinxa [80]3 years ago
3 0

Answer:

if speed or direction changes then there is a change in velocity which is acceleration. Hope this helps!

Explanation:

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Cells grouped together to make a specific part of the body of a plant or animal are called: an organism photosynthesis a tissue
tamaranim1 [39]

Answer:

THE CORRECT ANWER IS ;Cells make up tissues, tissues make up organs, and organs make up organ ... All the systems of the body work together to keep an organism up and running. ... out a particular function, and groups of organs with related functions make up the ... Connective tissue supports and, as the name suggests, connects other tissues.

Explanation:

7 0
3 years ago
Calculate the percent dissociation of crotonic acid (C,H,CO,H) in a 0.63 mM aqueous solution of the stuff.
Sauron [17]

Answer:

16%

Explanation:

Crotonic acid : C₃H₅CO₂H

C₃H₅CO₂H  ⇄ C₃H₅CO₂⁻ +  H⁺

   C                      O                O

where : C = C ( 1 - ∝ ) ,   O = C∝

also:  Ka = C∝² / ( 1 - ∝ )  ---- ( 1 )

<em>From Alexa data resource : </em>

Pka = 4.69 ,  [  Ka = 2.04 * 10^-5 = C∝² / ( 1 - ∝ ) ]

back to equation 1

2.04 * 10^-5 = [ ( 0.63 * 10^-3 ) * ∝² / ( 1 - ∝ ) ]  ----- ( 2 )

∴ ∝² / ( 1 - ∝ ) = 3.24 * 10⁻²

Resolving equation above

∝ = 0.1645 =  16.45%

5 0
2 years ago
What is the frequency of red light with a wavelength of 645 nm?
marin [14]

Answer:

4.64E14

Explanation:

First convert 645 nm to m = 6.4500E-7m. The equation for finding v with these values is the speed of light/wavelength. so 2.998E8/6.4500E-7m.

so your v or frequency would equal 4.64E14

Fun fact you know this is visible light because the visible light range is within the E14 range.

4 0
2 years ago
Please help! I really need help on this!​
sineoko [7]

Answer:

I wanna say c

Explanation:

It makes the most sense, because non-metals don't produce an electrical current, and therefore aren't conductors.

5 0
2 years ago
HELP!
MAVERICK [17]

Answer:

C

Explanation:

energy cannot be created or destroyed like solar energy for instance. it is already energy because it comes from the sun and for other reason.

Hope this helps!

4 0
2 years ago
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