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klasskru [66]
3 years ago
9

An elastic cord can be stretched to its elastic limit by a load of 2N.If a 35cm length of the cord is extended 0.6cm by a force

of 0.5N,what will be the length of the cord when the stretching force is 2.5N​
Chemistry
1 answer:
Levart [38]3 years ago
3 0

Explanation:

from \: hookes \: law \\ F = k.e \\ but \: e = 0.6 \: cm \\ 2 = k \times 0.6 \\ k = 3.33 \\ when \:F \: is \: 2.5 \\ 2.5 = 3.33 \times e {}^{.}   \\  {e}^{. }  = 0.75 \: cm \\ new \: length = 35 -  {e}^{.}  \\  = 35 - 0.75 \\  = 34.25 \: cm

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I need help with this problem.
seropon [69]
Ok hm lets see well  Simplify <span>2.6x 10<span>2.6×10</span></span> to <span>26<span>26</span></span>
<span><span>26-6^m<span>26−<span>6<span>​m</span></span></span></span><span><span>​​</span></span></span>
5 0
3 years ago
What are the reasons of greenhouse effect?
Leya [2.2K]

Answer:

Explanation:

Causes of Greenhouse Effect

  • Burning of Fossil Fuels. Fossil fuels are an important part of our lives.
  • Deforestation. Plants and trees take in carbon dioxide and release oxygen.
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5 0
3 years ago
If a sample contains 70.0 % of the R enantiomer and 30.0 % of the S enantiomer, what is the enantiomeric excess of the mixture?
NeTakaya

Answer:

the enantiomeric excess of the mixture is 40%

Explanation:

The computation of the enantiomeric excess of the mixture is shown below:

As we know that

= |\frac{R - S}{R + S} |\times 100\\\\= |\frac{70 - 30}{70 + 30}| \times 100\\\\= 40\%

Hence, the enantiomeric excess of the mixture is 40%

3 0
3 years ago
How many particles are in 12.47 grams of NaCl?
jeka94
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Sholpan [36]

This statement is <u>TRUE.</u>

Explanation:

Due to the high heat capacity of water, it takes much more energy to have a gram of water raised by one degree compared to one gram of land. This is why during a hot day, the ground gets hotter faster than the adjacent oceans or adjacent lakes. It also takes water to lose the same amount of energy to have its temperatures drop by one degree as compared to land. During the night, therefore, this is why adjacent water bodies remain relatively warmer than land.

8 0
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