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Questions Asked

cherio12:
Group Title
Differential:solve for y
yy'=y+sqrt(x^2+y^2)
 updated 10 months ago
 11 replies
 No Medals Yet
Mathematics

cherio12:
Group Title
Differentialsolve for y
(xy)y'=x+y
 updated 10 months ago
 5 replies
 No Medals Yet
Mathematics

cherio12:
Group Title
Differential equation:
Solve the differential equation by regarding y as the independent variable rather than x.
…
 updated 10 months ago
 12 replies
 2 Medals
Mathematics

cherio12:
Group Title
The charge configuration at the right consists of an insulating rod that is bent into the shape of a quartercircle having total positive ch…
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

cherio12:
Group Title
Suppose f is a differentiable function of x and y, and
g(r, s) = f(4r − s, s2 − 7r).
Use the table of values below to calculate
…
 updated one year ago
 3 replies
 No Medals Yet
Mathematics

cherio12:
Group Title
An infinite sheet of charge is located in the yz plane at x = 0 and has uniform charge density σ1 = 0.3 μC/m2. Another infinite sheet of ch…
 updated one year ago
 7 replies
 No Medals Yet
Mathematics

cherio12:
Group Title
A cooling tower for a nuclear reactor is to be constructed in the shape of a hyperboloid of one sheet. The diameter at the base is 300 m and…
 updated one year ago
 21 replies
 1 Medal
Mathematics

cherio12:
Group Title
A total charge Q = 1.2 μC is distributed uniformly over a quarter circle arc of radius a = 8.0 cm.
What is Ex, the value of the xcompone…
 updated one year ago
 6 replies
 No Medals Yet
Mathematics

cherio12:
Group Title
Find a Cartesian equation for the curve and identify it.
r2 cos 2θ = 1
 updated one year ago
 7 replies
 No Medals Yet
Mathematics

cherio12:
Group Title
Find the area using these two parametric equations.
x=acos^3(theta)
y=acos^3(theta)
 updated one year ago
 40 replies
 1 Medal
Mathematics

cherio12:
Group Title
find the arc length of x=e^t+e^(t) y=52t for the interval [0,pi]
 updated one year ago
 7 replies
 2 Medals
Mathematics

cherio12:
Group Title
A bomb initially at rest explodes into three equally massive fragments. Right after the explosion, one of the fragments, travels in the posi…
 updated one year ago
 8 replies
 No Medals Yet
Mathematics

cherio12:
Group Title
An asteroid with mass 250 kg is travelling directly toward the earth. When it is 25,000 km from the surface of the earth, it has a speed of …
 updated one year ago
 4 replies
 No Medals Yet
Mathematics

cherio12:
Group Title
A 4.0 kg circular disk slides in the xdirection on a frictionless horizontal surface with a speed of 5.0 m/s. It collides with an identical…
 updated one year ago
 No Medals Yet
Mathematics

cherio12:
Group Title
A 1dimensional elastic collision occurs between two masses m1 = 3 kg and m2 = 5 kg.
If the speeds after the collision are v1f = +3 m/s and…
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

cherio12:
Group Title
A frictionless ramp of mass 3m is initially at rest on a horizontal frictionless floor. A small box of mass m is placed at the top of the ra…
 updated one year ago
 11 replies
 No Medals Yet
Mathematics

cherio12:
Group Title
If i have a wire that has current flowing some direction and i enter it into an magnetic field, how do i know that it reverses direction? It…
 updated one year ago
 5 replies
 No Medals Yet
Mathematics

cherio12:
Group Title
A box of m=2kg is being pulled by a horizontal string across the top of a second box having a mass of M=kg. The kinetic coefficient of frict…
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

cherio12:
Group Title
A suitcase with a weight W=250N is pulled by a rope which has a tension T. The force of tension is applied to the right at 20 degrees north …
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

cherio12:
Group Title
With what speed must the car travel such that the force that it exerts on the road at point B is 600N? Point B is a top of a hill that is in…
 updated one year ago
 6 replies
 1 Medal
Mathematics