vf321
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Questions Answered

PVELEZ:
Group Title
An electron in a P.P.capacitor is shot from the neg.plate to the pos. plate.
Why the book says that the negative plate is the lower potent…
 updated 2 years ago
 6 replies
 1 Medal
Mathematics

vf321:
Group Title
Does anyone know how to approach secondorder negative feedback systems? Could you give an example please?
 updated 2 years ago
 3 replies
 No Medals Yet
Mathematics

mrjosezero:
Group Title
In basketball, the jump that a player can spend in the air during a jump shot is called "hangtime". The hangtime depends on what.
 updated 2 years ago
 5 replies
 No Medals Yet
Mathematics

vf321:
Group Title
(DE) Can you construct a secondorder negative feedback loop example?
 updated 2 years ago
 12 replies
 No Medals Yet
Mathematics

Cas:
Group Title
Special Relativity question: Anne and Bob are driving along a long straight road. While passing a tree, Bob sets it on fire. Anne is approac…
 updated 2 years ago
 19 replies
 1 Medal
Mathematics

jameca12:
Group Title
Which of the following bond(s) is/are polar covalent?
Si and P
C and N …
 updated 2 years ago
 9 replies
 1 Medal
Mathematics

imuruki:
Group Title
a normal equation for a line passing through the points (1,4,1) (2,8,3) and (3,1,2) is?
 updated 2 years ago
 2 replies
 No Medals Yet
Mathematics

vf321:
Group Title
Is space curvature relative to the frame of reference? If I have an object that is of some length \(l\) moving at a relativistic velocity …
 updated 2 years ago
 1 reply
 No Medals Yet
Mathematics

bob1:
Group Title
Consider a ball rolling down an inclined plane. The normal force on the ball is what?
…
 updated 2 years ago
 4 replies
 No Medals Yet
Mathematics

gaga1112:
Group Title
Rotate the region bounded by x=y^3 ,y=2 and the yaxis about the yaxis.
 updated 2 years ago
 10 replies
 No Medals Yet
Mathematics

allyfranken:
Group Title
Suppose L is the operator defined by Ly=D2y−3Dy+y. Compute L(sin(x)).
 updated 2 years ago
 8 replies
 1 Medal
Mathematics

mukushla:
Group Title
numerical analysis
Bairstow method
…
 updated 2 years ago
 30 replies
 1 Medal
Mathematics

zonazoo:
Group Title
For which scalars a, b, c, d do the solutions to the equation ax+by+cz=d form a subspace of R(3).
 updated 2 years ago
 24 replies
 1 Medal
Mathematics

katlin95:
Group Title
please help!
If p and p>q are true statements, the q is a true statment
…
 updated 2 years ago
 4 replies
 No Medals Yet
Mathematics

jpjones:
Group Title
derivative of (t1/t)
 updated 2 years ago
 14 replies
 2 Medals
Mathematics

jk_16:
Group Title
in air resistance (drag) is acceleration constant??
 updated 2 years ago
 14 replies
 No Medals Yet
Mathematics

malcolm11235:
Group Title
p
 updated 2 years ago
 28 replies
 No Medals Yet
Mathematics

gaurangnaware:
Group Title
how to solve this?
(λL)+ Bi ⋅ tan(λL) = 0
…
 updated 2 years ago
 1 reply
 No Medals Yet
Mathematics

iheartducks:
Group Title
Prove or disprove the following statements. If each statement is not true, salvage by making changes to the hypothesis:
1. If a∈ℤ, then aa…
 updated 2 years ago
 4 replies
 No Medals Yet
Mathematics

Calculator:
Group Title
7ii) Complex analysis. Argand diagram
http://www.xtremepapers.com/papers/CIE/Cambridge%20International%20A%20and%20AS%20Level/Mathematics%2…
 updated 2 years ago
 40 replies
 2 Medals
Mathematics

Ciel_Phantomhive:
Group Title
inverse Laplace Transform F(s)= (s^2+2)/(s^2+2s+5)
 updated 2 years ago
 19 replies
 1 Medal
Mathematics

VickyHoang:
Group Title
differentiable function of x; x^2+y^29=0 HELP!
 updated 2 years ago
 11 replies
 No Medals Yet
Mathematics

xhejni:
Group Title
if a>0 and b>0 prove sqrt of a +sqrt of b >sqrt of a+b
 updated 2 years ago
 2 replies
 No Medals Yet
Mathematics

igt91:
Group Title
Determine if b is a linear combination of the vectors formed from the columns of the matrix A.
[ 1 0 5] [ 2]
A=[2 16], b=[…
 updated 2 years ago
 1 reply
 No Medals Yet
Mathematics

john123456789:
Group Title
A*B*(C^T) *D*B*(A^T) = A*(B^T) Assuming that all matrices are n × n invertible, solve for D
 updated 2 years ago
 7 replies
 No Medals Yet
Mathematics

lgbasallote:
Group Title
"All the names of a class were written on separate tickets. Ten tickets were selected after the names were jumbled inside a can...."
This…
 updated 2 years ago
 39 replies
 2 Medals
Mathematics

vf321:
Group Title
Is \((AB)^{1}=A^{1}B^{1}\) for square matrices A and B?
 updated 2 years ago
 7 replies
 2 Medals
Mathematics

miles94:
Group Title
sin^3 θ derivative
…
 updated 2 years ago
 3 replies
 No Medals Yet
Mathematics

Batman_ProtectorofGotham:
Group Title
Find the limit if it exists.
lim x>0 (1cosx)/sinx
 updated 2 years ago
 8 replies
 2 Medals
Mathematics

vf321:
Group Title
Why is \(\Delta q = \lambda\)? Let's say I'm measuring an electron's position with light. I agree that \(\Delta p = h/\lambda\), where \(\…
 updated 2 years ago
 1 reply
 2 Medals
Mathematics
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