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iragen [17]
3 years ago
11

Make a sketch of the radius of gyration of a polymer chain vs. the degree of polymerization N as it would appear on a log-log sc

ale for: (a) a bad solvent, (b) a good solvent, and (c) a theta solvent. If the apparent log-log trend is linear, what is the significance of the slope?
Physics
1 answer:
zvonat [6]3 years ago
4 0

Answer:

hhhhhhhhhhhhhhhhhhhhh

Explanation:

sjdnxjwodj1oeixjwkw9dijwqoisjd1

sjssusidej

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An 92-kg football player traveling 5.0m/s in stopped in 10s by a tackler. What is the original kinetic energy of the player? Exp
Artemon [7]

Explanation:

It is given that,

Mass of the football player, m = 92 kg

Velocity of player, v = 5 m/s

Time taken, t = 10 s

(1) We need to find the original kinetic energy of the player. It is given by :

k=\dfrac{1}{2}mv^2

k=\dfrac{1}{2}\times (92\ kg)\times (5\ m/s)^2

k = 1150  J

In two significant figure, k=1.2\times 10^3\ J

(2) We know that work done is equal to the change in kinetic energy. Work done per unit time is called power of the player. We need to find the average power required to stop him. So, his final velocity v = 0

i.e. P=\dfrac{W}{t}=\dfrac{\Delta K}{t}

P=\dfrac{\dfrac{1}{2}\times (92\ kg)\times (5\ m/s)^2}{10\ s}

P = 115 watts

In two significant figures, P=1.2\times 10^2\ Watts

Hence, this is the required solution.  

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3 years ago
Rahul sits in a chair reading a book. Which force is equal to the force Rahul exerts on Earth?
Mademuasel [1]
The first opiton is the answer A)<span>Rahul’s weight
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8 0
3 years ago
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Which phase of cell division results in the formation of 4 new haploid cells
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The answer to your question is Meiosis.

Hope this helps! God bless
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The force of gravity considers which two parts?
attashe74 [19]
Mass of object/source
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Fg=mg
3 0
3 years ago
Although he did not present a mechanism, what were the key points of Alfred Wegener’s proposal for the concept of continental dr
valentinak56 [21]

Answer: Alfred Wegener provided some of the important points that supported the theory of continental drift. They are as follows-

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4 0
4 years ago
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