11/22/19

Asymptotic behavior
f(x) = k + u/(1+e^(b(x-t)))What is the asymptotic behaviour for low values of x and high values of x?
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11/22/19

Physics 101 Calculating Diameter of Hair
You stretch a strand of your hair across a laser beam and observe the diffraction pattern this produces on a sheet of paper 1.25 m from your hair strand. You mark the center of the dark regions on... more
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11/04/19

Moment of Inertia

So I have had these questions confusing me for some time and tried googling but came up with long , hard-to-understand equations and notations and articles. So I would be glad if someone could... more
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10/24/19

Mean Value Theorem
Function f(x)=1/x on the interval [4,9]. Find the average/mean slope of the function on this interval. Then f'(c) is equal to the mean slope, find cmy work:a) f(x)=1/x((1/9)-(1/4))/(9-4)= -1/36b)... more
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10/19/19

Find the equation of the hyperbola if:

a). the asymptotes are y=0.5x and y=−4−0.5x, and one of the vertices is (−4, 0).b). it has x-orientation, with vertices (2, 0) and (−2, 0), and it goes through the point (4, 5sqrt(3))PLEASE HELP... more
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10/11/19

Please help me to Solved the simultaneous equation x^2 + y^2 = 10........(1), 1/x + 1/ y = 4/3.....(1)
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10/08/19

If a ball has a pressure of 1 bar inside and another ball has a pressure of 2 bar with the same radius then both ball are deep inside water then which ball will come first outside the water?
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10/01/19

Find an equation of the tangent line at the given point.
xy+x^2y^2=6(2,1)
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09/20/19

A 5 kg mass hangs at the end of a cord that is attached to the ceiling of an elevator. Find the tension in the cord if the acceleration of the elevator is 3.0 m/s2 down.
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09/18/19

Write an equation with no solutions that has the expression 3x + 6 on the left side of the equal sign. Demonstrate that your equation has no solutions.
i need help with my algebra homework
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09/17/19

double rms speed of molecules of gas

A gas is at 200 K. If we wish to double the rms speed of the molecules of the gas, to what value must we raise its temperature? 
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09/11/19

Form a​ third-degree polynomial function with real​ coefficients, with leading coefficient​ 1, such that 8 plus i and 7 are zeros.
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09/01/19

Calc 3 Extra Credit #1 Question 1
Find the area of the parallelogram having vectors u = < 1,2,1> and v= <3,1,1> as adjacent sides.
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08/28/19

J.J.Thompson used a cathode ray instrument to measure the charge-to-mass ratio for the electron.
Consider a beam of particles travelling in the  direction through electrostatic plates of  between which the electrons are deflected (down) in the  direction by an electric field of magnitude  . A... more
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08/25/19

what is the pattern and next number 3, -6, 12, 4, 20,?
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08/21/19

SAT Math 2 -- Question involving Functions

Please help me understand the following question-- If f(2x) = x+5 and f(g(6)) = 13, then 2 * (g(6)) equals A) 6 B) 16 C) 32 D) 36 E) 64
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08/18/19

Find the angular acceleration of the rod.
A light rod of length a can turn freely about the end A which is fixed, and the other end B is attached to a particle of mass m. The end B is joined by a string of length a to a small ring C of... more
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08/05/19

Find the possible slopes of a line that passes through (4,3) so that the portion of the line in the first quadrant forms a triangle with an area of 27 with positive coordinate axes.
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08/03/19

Simple harmonic motion
A small marble slides along the inside of a cup which has a cross-sectional shape;y=0.100x²,where x is the displacement from the center of the cup and y is the height of the surface above the... more
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08/03/19

The velocity of a particle moving in positive direction of x-axis is given as v^2=x.if the particle was located at origin initially,find the position as function of time.?
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07/31/19

Why does an unhinged body rotate about its centre of mass?
If a force is applied to a body which does not act through its centre of mass, it rotates about its centre of mass and not any other point. Why?
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07/22/19

Let S be the part of the paraboloid x^2 + y^2 = z with 0 <= z <= 1. Set up but do not evaluate the integral ∫∫_S (yz)dS.
Let S be the part of the paraboloid x^2 + y^2 = z with 0 <= z <= 1. Set up but do not evaluate the integral ∫∫_S (yz)dS.
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07/15/19

Solve the matrix system
this is the system:{ 4x - 3y + 4w + 2z = 0 -x + y + 3w + 3z = 1 3x - 2y +7w + 5z = 1 2x - 2y - 6w - 6z = -2 Please solve this problem using Matrix. Thank you
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07/09/19

the displacement of a spring vibrating in damped harmonic motion is given by the following equation.

Find the first four times when the spring is at its equilibrium position, y = 0, and starting at time t = 0.y = 4 e^−5t sin 2πt
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07/09/19

An equation is given. (Enter your answers as a comma-separated list. Round terms to three decimal places where appropriate. sin 2θ = 3 cos 2θ
(a) Find all solutions of the equation.(b) Find the solutions in the interval [0, 2π)
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