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levacccp [35]
2 years ago
6

HELP ME PLZ 30 POINT AND A MARK

Physics
1 answer:
patriot [66]2 years ago
8 0

Question 1:How do humans and animals obtain the nitrogen their bodies need to make proteins and nucleic acids?

Answer is :by consuming plants or other animals

Question 2:Which is a key element found in all carbohydrates, lipids, proteins, and nucleic acids

Answer is:Carbon

Question 3:How do decomposers affect the carbon cycle?

Answer is:They release the carbon that remains in the bodies of dead organisms.

Question 4:Which of the following processes does not produce carbon dioxide?

Answer is:Photosynthesis

Question 5:How does the carbon in grass become part of a lion

Answer is:The lion eats an herbivore that ate the grass.

And your Attempt Score=10 / 10 - A

Overall Grade (highest attempt)=10 / 10 - A

Hope I helped you all who is looking for the answers to the test:cycles in nature.

If you guys do get an A plz let me know in the comments,and mark me brainliest for helping thx bye!!!


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The Special Olympics raises money through "plane pull" events in which teams of 25 people compete to see who can pull a 74,000 k
Murrr4er [49]

Answer:

28716.4740661 N

1.2131147541 m/s

51.2474965841%

Explanation:

m = Mass of plane = 74000 kg

s = Displacement = 3.7 m

f = Frictional force = 14000 N

t = Time taken = 6.1 s

u = Initial velocity = 0

v = Final velocity

s=ut+\frac{1}{2}at^2\\\Rightarrow 3.7=0\times 6.1+\frac{1}{2}\times a\times 6.1^2\\\Rightarrow a=\frac{3.7\times 2}{6.1^2}\\\Rightarrow a=0.198871271164\ m/s^2

Force is given by

F=ma+f\\\Rightarrow F=74000\times 0.198871271164+14000\\\Rightarrow F=28716.4740661\ N

The force with which the team pulls the plane is 28716.4740661 N

v=u+at\\\Rightarrow v=0+0.198871271164\times 6.1\\\Rightarrow v=1.2131147541\ m/s

The speed of the plane is 1.2131147541 m/s

Kinetic energy is given by

K=\dfrac{1}{2}mv^2\\\Rightarrow K=\dfrac{1}{2}\times 74000\times 1.2131147541^2\\\Rightarrow K=54450.9540448\ J

Work done is given by

W=Fs\\\Rightarrow W=28716.4740661\times 3.7\\\Rightarrow W=106250.954045\ J

The fraction is given by

\dfrac{54450.9540448}{106250.954045}=0.512474965841

The teams 51.2474965841% of the work goes to kinetic energy of the plane.

3 0
3 years ago
What step does the Rin PRICES stand for? Why is this step important?
posledela

Explanation:

The five-step process for treating a muscle or joint injury such as an ankle sprain is called "P.R.I.C.E." which is short for Protection, Rest, Ice, Compression, and Elevation).

6 0
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Name one metal and one non-metal from the periodic table? <br><br> Y’all I need help<br> Thank you!
Stella [2.4K]

Answer:

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Explanation:

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You adjust the temperature so that a sound wave travels more quickly through the air. You increase the temperature from 30 degre
katen-ka-za [31]
To calculate the velocity of the sound wave, we use this formula:
V = 331 + [0.6*T], 
Where V is the velocity and T represents temperature.
When the temperature is 36 degree Celsius, we have 
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V = 331 + 21.6 = 352.6 
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Which of the following statements is true? there are only about 100 different kinds of atoms that combine to form all substances
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THE ANSWER IS : THERE ARE ONLY ABOUT 100 DIFFERENT KINDS OF ATOMS THAT COMBINE TO FORM ALL SUBSTANCES

Explanation:

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