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Type: Posts; User: dks2114

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  1. Question: Running tips?

    by dks2114
    Answers
    4
    Views
    640

    First warm up by running 30mins. Then once your...

    First warm up by running 30mins. Then once your muscles are warm and ready to go stretch. It is better to do dynamic stretching than static because in the long run it will help you on speed. (If...
  2. Answers
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    1,452

    Well I don't know if you would be interested but...

    Well I don't know if you would be interested but I remember doing a project on this in school on virtual rats. And well when injected with testosterone, the prostate, seminal vesicles and body weight...
  3. Answers
    34
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    8,633

    Actually human growth is affected by the growth...

    Actually human growth is affected by the growth hormone, insulin-like growth factors I and II , thyroid hormone, insulin, testosterone, and estrogen at different period of life.

    The growth...
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    537

    You might be dehydrated. Drink a diluted sports...

    You might be dehydrated. Drink a diluted sports drink. The reason for diluting the drink is because usually the sport drinks companies put way too much sugar in the drink so that the consumer buys it...
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    340

    Availibility of Shadowing a Flight Doctor

    Does anyone know how about any possible/available internships or opportunities to shadow a flight doctor? Any information would be greatly appreciated! :)
  6. Answers
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    1,198

    Electric Dipole moment and Torque

    Point charges q_1=- 4.10 nC and q_2=+ 4.10 nC are separated by distance 3.50 mm, forming an electric dipole.

    a)Find the magnitude of the electric dipole moment.
    Express your answer in...
  7. Jumping on a board_ which way will the other person land

    2 people are standing on a very light board that is balanced on a fulcrum. The lighter person suddenly jumps straight up at a 1.5 m/s. Just after he jumps, how fast and in which direction will the...
  8. 3 car collision.what is the speed and direction after

    A 2100 kg truck is traveling east through an intersection at 2.0m/s when it is hit simultaneously from the side and the rear! One car is a 1200kg compact traveling north at 5.0m/s. The other is a...
  9. Answers
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    972

    Finding mass in collisions

    A proton (mass 1 u) is shot toward an unknown target nucleus at a speed of 2.5 X 10^6 m/s. The proton rebounds with its speed reduced by 25% while the target nucleus acquires a speed of 3.12 x 10 ^5...
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    998

    Conservation of Momentum. 2 piece explosion

    I know this equation has something to do with conservation of momentum. But when I plug in for the initial velocity 0 it cancels out the left side of the equation. So that doesn't work so I'm lost.....
  11. Answers
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    5,795

    Inelastic collisions

    AT THE CENTER OF A 50 M DIAMETER CIRCULAR ICE RINK, A 75 KG SKATER TRAVELING NORTH AT 2.5 M/S COLLIDES WITH AND HOLDS ON TO A 60 KG SKATER WHO HAS BEEN HEADING WEST AT 3.5M/S. HOW LONG WILL IT TAKE...
  12. Answers
    3
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    10,996

    Matlab 'goto' statements

    Okay, so I have previous knowledge of Visual basic and Q-basic and well in these programs if I wanted to go to a certain line I would write 'goto 1' or 'goto line 1' etc. Does anyone know the...
  13. Answers
    4
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    1,816

    Ohhh wow thank you that actually makes sense

    Ohhh wow thank you that actually makes sense
  14. Answers
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    2,005

    Ohhhh thank you VERY much!

    Ohhhh thank you VERY much!
  15. Answers
    2
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    3,545

    That's exactly what I did... thank you!

    That's exactly what I did... thank you!
  16. Answers
    5
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    2,005

    Why is it cos(6.0) and not sin(6.0) to find Fn? ...

    Why is it cos(6.0) and not sin(6.0) to find Fn?

    4802

    I thought the vector diagram looks like this. Did I put the angle in the wrong place or something?
  17. Answers
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    1,816

    Why is it: 2*mgr. Where does the 2 come from?

    Why is it: 2*mgr.
    Where does the 2 come from?
  18. Answers
    2
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    3,545

    Work + Elastic Potential Energy

    A 50g ice cube can slide w/o friction up and down a 30 degree slope. The ice cube is pressed against a spring at the bottom of the slope, compressing the spring 10 cm. The spring constant is 25N/m....
  19. Answers
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    2,005

    Finding distance using Work

    Suppose a gravel ramp slopes upward at 6.0 degrees and the coefficient of friction is 0.40. Use work and energy to find the length of a ramp that will stop a 15000kg truck that enters the ramp at 35...
  20. Answers
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    2,022

    Work & Force & Power

    Bob can throw a 500g rock with a speed of 30 m/s. He moves his hand forward 1.0 m while doing so. How much work does Bob do on the rock? How much force, assumed to be constant, does bob apply to the...
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    2,623

    Finding spring constant

    A 1000kg safe is 2.0m above a heavy-duty spring when the rope holding the spring breaks. The safe hits the spring and compresses it 50 cm. What is the spring constant of the spring?

    GPE = KE
    mgh...
  22. Answers
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    1,816

    Conservation of Energy_ Correct?

    A block of mass m slides down a frictionless track, then around the inside of a circular loop-the-loop of radius R. What minimum height h
    must the block have to make a full run around the loop...
  23. Answers
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    Finding acceleration in cars

    A 1500 kg car starts from rest and drives around a flat 50 m diameter circular track. The forward force provided byt the car's drive wheels is a constant 1000N. What are the magnitude and direction...
  24. Question: Taylor Series

    by dks2114
    Answers
    2
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    1,051

    But does this method only work for certain...

    But does this method only work for certain functions (like trig and oiler's number) or can it work for let's say x^3??
  25. Question: Taylor Series

    by dks2114
    Answers
    2
    Views
    1,051

    Taylor Series

    Can some one explain to me where does the x come from in the Taylor series. In sin(x) = 1 + X/1! +...

    Why is it x and if the function turned into sin (2x) does it affect that x?
  26. Answers
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    2,671

    tangent lines & secant lines

    Show that the tangent line to the curve y = x^3 at the point x=a also hits the curve at the point x = -2a.


    Can anyone tell me if I'm on the right path? I set the function and the slope of a line...
  27. Answers
    5
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    1,290

    Haha wow I didn't even notice I wrote "infinity"...

    Haha wow I didn't even notice I wrote "infinity" that way. I'm so use to writing "inphinity" because "Inphinity" he is a great Euro Dj.

    yes the problem does look like that. I think I realized...
  28. Answers
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    1,290

    What if it is from 2 to + inphinity??

    What if it is from 2 to + inphinity??
  29. Answers
    5
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    1,290

    Improper integrals

    Can anyone tell me if the answer to this is: converges to -1/2
  30. Answers
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    453

    Fundamental Theorem PArt 1(?) Calc

    Can anyone help me solve this?
  31. Answers
    3
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    2,549

    Partial integration

    Can anyone tell me if this is correct?
    4070




    u=x^2
    1/2 du = x dx
  32. Answers
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    8,211

    Just to add to the "Don't do list".. Don't chew...

    Just to add to the "Don't do list".. Don't chew gum. Many people believe it to be very rude.
  33. Oh wow.. I multiplied wrong haha. Thank you very...

    Oh wow.. I multiplied wrong haha. Thank you very much! It was very helpful!
  34. Integration & Fundamental Theorem of Calculus

    h(x) = the integral from 0 to x^2 of the function squareroot(1+r^3) dr


    Is the answer = [squareroot(1+x^3)]* (2x)??

    I tried using the fundamental theorem of calculus in conjunction...
  35. Question: Solving Limits

    by dks2114
    Answers
    4
    Views
    1,842

    Oh wow that's so much simpler. I used...

    Oh wow that's so much simpler. I used L'Hopital... still got the same answer but wow nty version was so much more complicated. Thank you very much!
  36. Question: Solving Limits

    by dks2114
    Answers
    4
    Views
    1,842

    Can you use L'Hopital's method? Is that a legal...

    Can you use L'Hopital's method? Is that a legal move?
  37. Answers
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    8,211

    What is your previous experience in that field?...

    What is your previous experience in that field?
    Have you had any previous jobs if yes, why did you leave them?
    Thy could be creative and sometimes ask "what do you believe is you one fault?"...
  38. Question: Solving Limits

    by dks2114
    Answers
    4
    Views
    1,842

    Solving Limits

    What is the lim x->0 (1+3x) ^ (1/x)
  39. Question: Optimizing a Box

    by dks2114
    Answers
    2
    Views
    1,005

    Optimizing a Box

    Yet another optimization problem... if anyone knows how to solve this please explain it to me:

    Thank you.A box with a square base and open top must have a volume of 32,000cm3. Find the dimensions...
  40. Question: Optimization

    by dks2114
    Answers
    1
    Views
    1,488

    Optimization

    Hello everyone! I came across this problem in my homework and I've been having a lot trouble with it. If anyone could tell me how to solve it or at least where to start that would be amazing.;)
    ...
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