jotopia34
Name:
Joanna Nicholson
School:
Florida Gulf Coast University
About:
I love math and science but I don't always "get" the concepts at first glance. this is very frustrating to me and I don't have other people I can discuss these things with. I am glad this network exists.
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Questions Asked
jotopia34:
Group Title
REDOX question. I can not get this straight,
Which is the [red] and which is the [ox]?
SO4(2-) or SO3(2-)? Please explain as well. thx!
updated 14 days ago
32 replies
No Medals Yet
Mathematics
jotopia34:
Group Title
Which is the oxidized form? Al3+ or Al(s)???
updated 25 days ago
2 replies
1 Medal
Mathematics
jotopia34:
Group Title
PLz Help. How do you balance this half cell reaction?
C2H5OH <->CO2
…
updated 25 days ago
2 replies
No Medals Yet
Mathematics
jotopia34:
Group Title
Does anyone know what the chem equation is for Na(C2H5COO) in water? Would that be called dissociation of sodium propionate?
updated 2 months ago
1 reply
No Medals Yet
Mathematics
jotopia34:
Group Title
Kinetic energy question
Is the linear velocity at the center of a wheel (Vo) needed for final Kinetic energy? if the wheel is attached by a…
updated 7 months ago
1 reply
1 Medal
Mathematics
jotopia34:
Group Title
dynamics question, hard.
Please see pic. Why in the Work Energy solution technique is the final Kinetic energy not including the Vc (veloci…
updated 7 months ago
6 replies
1 Medal
Mathematics
jotopia34:
Group Title
Spring Constant K question.
If it says that the spring force constant is 90 lb PER foot, then don't you need to multiply that value times t…
updated 7 months ago
3 replies
2 Medals
Mathematics
jotopia34:
Group Title
Why if a train starts from rest and then accelerates down the track, coming toward me faster and faster, is the speed of the soundwaves the …
updated 8 months ago
2 replies
1 Medal
Mathematics
jotopia34:
Group Title
MEchanics-Sstatics Help PLeeeeasssseeee!I have a 3D equilibrium problem I just don't know how to solve. I am posting the problem but don't u…
updated 10 months ago
3 replies
No Medals Yet
Mathematics
jotopia34:
Group Title
Hard Resolving Forces question..... I need to find the angle CED, but the problem is a 3D Force vector one. I can't seem to figure out how t…
updated 10 months ago
8 replies
1 Medal
Mathematics
jotopia34:
Group Title
ADvanced Geometry Question.... I need to find the angle CED, but the problem's image is a 3D depiction. I can't seem to figure out how to ge…
updated 10 months ago
4 replies
1 Medal
Mathematics
jotopia34:
Group Title
PLease help. Anyone that can understand Force Vectors. I can't seem to find the x and y components of the F1 force vector on this 3D coord. …
updated 11 months ago
1 reply
No Medals Yet
Mathematics
jotopia34:
Group Title
Please help! I still can't resolve 3D force vectors. I can't find the x and y components of F1.
updated 11 months ago
7 replies
1 Medal
Mathematics
jotopia34:
Group Title
Components of force vector question please! I can never figure out which is Fx and which is Fy when dividing up force vector F into componen…
updated 11 months ago
36 replies
2 Medals
Mathematics
jotopia34:
Group Title
Use a double integral to find the area of the region.
The region inside the circle
…
updated one year ago
49 replies
1 Medal
Mathematics
jotopia34:
Group Title
Please see pic
A sphere of mass Msphere and a yoyo of mass Myoyo are suspended from a from a pulley with mass Mpulley. The pulley can rotate…
updated one year ago
33 replies
2 Medals
Mathematics
jotopia34:
Group Title
Someone please help me!
I am trying to find a phase angle on my TI84. I know that Fi is equal to 4.25 from answer book.
…
updated one year ago
11 replies
1 Medal
Mathematics
jotopia34:
Group Title
Someone please help me!
Can you please help me! I am trying to find a phase angle on my TI84.
…
updated one year ago
No Medals Yet
Mathematics
jotopia34:
Group Title
Someone please help me!
Can you please help me! I am trying to find a phase angle on my TI84.
…
updated one year ago
No Medals Yet
Mathematics
jotopia34:
Group Title
new question, determine divergence, convergence, absolute or conditional of
infinite series n^10/10^n. stumped again
…
updated one year ago
1 reply
No Medals Yet
Mathematics
jotopia34:
Group Title
This is a calc 2 question, absolute convergence.
Im not sure what tests for convergence to use on
Series as n=1 to infinity of 2^n(lnn)*1/n…
updated one year ago
10 replies
1 Medal
Mathematics
jotopia34:
Group Title
Calc 2 Help please...
Does the series converge and if so to what?
sum from n=1 to infinity of 1/ 1-(2/3)^n
updated one year ago
2 replies
No Medals Yet
Mathematics
jotopia34:
Group Title
Calc II question please...
Can someone please explain if the sequence cosn/n^4 converges or diverges? I know the formal definition of Squee…
updated one year ago
40 replies
1 Medal
Mathematics
jotopia34:
Group Title
convergence, divergence help please!!
is the series convergent or divergent?
a_n=(-1)^n+1*1/4^n
updated one year ago
18 replies
1 Medal
Mathematics
jotopia34:
Group Title
I can't figure out convergence and divergence tests, I'm going to fail my quiz if I don't figure this out. Please help someone.... Is the se…
updated one year ago
52 replies
2 Medals
Mathematics
jotopia34:
Group Title
How do I approach this series question?
a_n=sqrt(n+1/9n+1) Convergent or divergent?
updated one year ago
3 replies
1 Medal
Mathematics
jotopia34:
Group Title
What is the name of this theorem?
updated one year ago
9 replies
2 Medals
Mathematics
jotopia34:
Group Title
Another series question please:
is the series: (sigma from n=2 to infinity)(-1)^n(4^-n) convergent or divergent, if convergent, what is the …
updated one year ago
22 replies
2 Medals
Mathematics
jotopia34:
Group Title
I don't understand this, please help. Determine if the series is convergent or divergent:
If convergent, find the sum othe series.
(sigma)…
updated one year ago
53 replies
5 Medals
Mathematics
jotopia34:
Group Title
We just did a lab on Titration of H3PO4, to experimentally find pKa1 and pKa2 from the 2 endpoints found on the sigmoid curve. I understand …
updated one year ago
1 reply
No Medals Yet
Mathematics
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