School and Work

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Home >All Categories > Science & Mathematics >Biology >Open Question Giovanni Member since:September 30, 2009Total points:266 (Level 2)I need to answer this on my project, and I been looking it up forever now, but I can't find the answer, does anyone know where Biomass energy works best, and why?Answer Question

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ok so i have issues with falling asleep at night so i recently picked up a couple bottles of 3mg tablets of Melatonin. i take one tablet a night however a friend of mine told me that 15mg+ will make you have crazy dreams, is there any validity to this notion?

tl;dr will a lot of melatonin have any effects on my dreams/mind?

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A charge of 4.30 x 10^-6 C is placed on a small conducting sphere that is located at the end of a thin insulating rod whose length is 0.22m. The rod rotates with an angular speed of w=159 rad/s about an axis that passes perpendicular through its other end. Find the magnetic moment of the rotating charge. (Hint: The charge travels around a circle in a time equal to the period of the motion)

I can not figure this out! The only equation I've found in the book is magnetic moment= NIA. but I'm confused where to go now. Help?

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-d[N2O5]/dt

In that. (regarding equilibrium ect)

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My doctor has prescribed me the antibiotic Clindamycin for an infection in my tooth and gums. Since then I have been taking the medication as prescribed, 1 pill 3x a day, and have been having some negative side effects such as nasua and vomiting (only about once a day so far) , severe heartburn, increased heart rate, but one of the most annoying side effects is the fact that it has caused my inner ears to HURT and ITCH, like i seriously feel like clawing my ears off they itch so much. Is there anything I can do to combat these negative side effects until Tuesday when I can get to my doctors appointment and discuss them with her?

Once Again they are:

Nasua and slight vomiting
Severe Heartburn
Increased Heart Rate and
Painful and Itchy inner ears (as if I had an ear infection or something)

Thanks for your help !

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Home >All Categories > Science & Mathematics >Botany >Open QuestionDuring an experiment we charged an ebonite rod and brought it close to an electroscope , Observations: the inner section of the electroscope ( leaves) opened and when it was removed they closed. How can this tell me if the electroscope is positively or negatively charged?Answer Question

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Home >All Categories > Science & Mathematics >Mathematics >Open QuestionA sample of 500 g of radioactive lead 210 decays to polonium 210 according to the function defined by A (t) = 500e-0.032t, where t is time in years. Find the amount of the sample remaining after 4 years.Answer Question

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A prism have right triangle base.
The triangle sides are as following: (7 ft, 10 ft, 20 ft)
The prism height is 5 ft
Find the surface area of the prism.

Triangle base=10 ft
Triangle height=7 ft
Prism height=5 ft
Perimeter=(7+10+20)ft=37ft

Surface area=?

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Total resistance is 60 ohms. I = V/R

I = 6/60 = 0.1 amp = 100 mA
Voltage drop across each resistor is 2 volts.

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Start by combining the fractions to get:
LHS = 1/sin(x) - cos^2(x)/sin(x)
= [1 - cos^2(x)]/sin(x).

Then, since sin^2(x) + cos^2(x) = 1 ==> sin^2(x) = 1 - cos^2(x):
LHS = [1 - cos^2(x)]/sin(x)
= sin^2(x)/sin(x)
= sin(x), by canceling sin(x)
= RHS.

I hope this helps!

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Find the product.

-mnp(3m - 5n + 7p)

I'm not asking for you to do my homework. I just would like to know the steps to get the answer.

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