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Questions Asked

Fellowroot:
Group Title
Torque, I am trying to understand how they set up the torque in the following problem with a ladder.
 updated 4 months ago
 4 replies
 1 Medal
Mathematics

Fellowroot:
Group Title
A block m=18.0kg is on a smooth horizontal surface and is connected by a thin cord that passes over a pulley to a second block m=2.0kg which…
 updated 6 months ago
 12 replies
 1 Medal
Mathematics

Fellowroot:
Group Title
[Doppler effect]
Say you have a source and an observer. They are both moving away from each other which the source having a greater veloc…
 updated 7 months ago
 13 replies
 2 Medals
Mathematics

Fellowroot:
Group Title
I have some concept questions. :)
1. Regarding sound intensity and the equation I=P/(4pir^2)
…
 updated 7 months ago
 15 replies
 3 Medals
Mathematics

Fellowroot:
Group Title
[Differential Equations] A curve rises from the origin of the xy plane into the 1st quadrant. The area under the curve from (0,0) to (x,y) i…
 updated 7 months ago
 6 replies
 No Medals Yet
Mathematics

Fellowroot:
Group Title
Why is the curl of an electric field E always equal to zero?
 updated one year ago
 6 replies
 3 Medals
Mathematics

Fellowroot:
Group Title
reduce
(xa)(xb)(xc) ... (xz)
 updated one year ago
 11 replies
 1 Medal
Mathematics

Fellowroot:
Group Title
eliminating the parameter of the parametric equations. aka getting rid of t
x = t^2 + t
…
 updated one year ago
 5 replies
 1 Medal
Mathematics

Fellowroot:
Group Title
C programming
I need to know how to read this data into a program that I wrote.
…
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

Fellowroot:
Group Title
How do I set up a flag in C to limit the users input while scanning values from a user.
for example say the person must type in 3 number…
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

Fellowroot:
Group Title
C programming.
If I scanf in some values from a user do I need to do this first
…
 updated one year ago
 5 replies
 1 Medal
Mathematics

Fellowroot:
Group Title
How to I assign random numbers to an 2D array?
…
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

Fellowroot:
Group Title
In C programming sometimes I see
int main(void)
…
 updated one year ago
 4 replies
 2 Medals
Mathematics

Fellowroot:
Group Title
I'm trying to compile this code in C and it won't work.
Can somebody help.
…
 updated one year ago
 7 replies
 No Medals Yet
Mathematics

Fellowroot:
Group Title
how do i find an inverse trig angle that is not on the unit circle and without using a calculator.
For example:
…
 updated one year ago
 11 replies
 No Medals Yet
Mathematics

Fellowroot:
Group Title
Can someone explain what weak neutral current is?
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

Fellowroot:
Group Title
Explain why a sound is heard when a person snaps their fingers.
 updated one year ago
 3 replies
 1 Medal
Mathematics

Fellowroot:
Group Title
Can someone explain to me what a compact set is?
 updated one year ago
 3 replies
 No Medals Yet
Mathematics

Fellowroot:
Group Title
What is the main difference between specific heat and heat capacity?
…
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

Fellowroot:
Group Title
Using a phase diagram how do you find the following:
Critical temperature and pressure
…
 updated one year ago
 2 replies
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Mathematics

Fellowroot:
Group Title
What is the difference between specific heat and heat capacity?
specific heat is 1 gram by 1 degree C and heat capacity is of a given qua…
 updated one year ago
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Mathematics

Fellowroot:
Group Title
Does the spring constant change when you are compressing a spring compared with stretching a spring? The the spring constant of a spring eve…
 updated one year ago
 4 replies
 No Medals Yet
Mathematics

Fellowroot:
Group Title
In xyzspace, an equation of the plane tangent to the surface z=sin(y)e^(x) at the point where x=0 and y=(π/2) is
(A) x+y=1
…
 updated one year ago
 6 replies
 No Medals Yet
Mathematics

Fellowroot:
Group Title
Is potential energy the same thing as work?
 updated one year ago
 13 replies
 No Medals Yet
Mathematics

Fellowroot:
Group Title
G2
Let ABC be an acute triangle. Let ω be a circle whose center L lies on the side BC. Suppose
…
 updated one year ago
 3 replies
 No Medals Yet
Mathematics

Fellowroot:
Group Title
Rainbows
Assuming that the index of refraction of water is 4=3 and that raindrops are spherical,
…
 updated one year ago
 2 replies
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Mathematics

Fellowroot:
Group Title
Number Theory
Consider a polynomial P(x) = (x + d1)(x + d2) · . . . · (x + d9), where d1, d2, . . . , d9 are nine
…
 updated one year ago
 6 replies
 1 Medal
Mathematics

Fellowroot:
Group Title
Determine all pairs (f, g) of functions from the set of real numbers to itself that satisfy
g(f(x + y)) = f(x) + (2x + y)g(y)
for all real…
 updated one year ago
 3 replies
 No Medals Yet
Mathematics

Fellowroot:
Group Title
Can a cycloid actually be represented by a (sinx)^2 or (cosx)^2 function?
 updated one year ago
 No Medals Yet
Mathematics

Fellowroot:
Group Title
Four intelligent gorillas in the forests of Africa are
holding an election to determine who should be king of the gorillas. At the recent e…
 updated one year ago
 1 reply
 No Medals Yet
Mathematics
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