October 22, 2016

Posts by CK

Total # Posts: 21

Two waves, identical except for phase, are traveling in the same direction through the same medium. Each of the waves has amplitude A. The amplitude of the combined (net) wave is 1.14A. What is the absolute value for the smallest possible phase difference between the two waves...
October 8, 2016

At the same distance the noise of a sandblaster is 13 dB louder than a power drill. This means the the displacement amplitude of the sound waves from the sandblaster is how many times greater than that of the power drill if both sounds have the same frequency?
October 7, 2016

A long, heavy rope hangs straight down from a high balcony on an apartment building. The lower end of the rope hangs about 1.0 m above the ground. If you grab onto the lower end and waggle it back and forth with constant frequency f, a wave travels up the rope. What would ...
October 1, 2016

An object weighs 500N.what is its mass?
January 24, 2016

Given the points (6,-3) (-4,2): Find the equation of a line that passes through the origin and is parallel to the line defined by the points. Please help me...thank u so much
January 7, 2016

Write the equation of a line, in general form, that has a slope of 4/3 and a y-intercept of -5. Help me please...thx
January 7, 2016

If P varies jointly with Q and R, and P=420 when Q is 3 and R is 7, what is the value of P when Q is 2 and R is 1? Help me please...thx
January 7, 2016

If Z varies inversely with Y, and Z=25 when Y=4, what is the value of Z when Y=10? Help please thx
January 7, 2016

Thank you!!!
February 11, 2012

Find the equation of the tangent to the curve sin(x+y)=xy at the origin.
February 11, 2012

english 1
January 10, 2012

find the increasing and decreasing intervals of 4x^3-7x+3
December 11, 2011

Two sides of a triangle are equal. The third side is 5 inches longer than the one with equal sides. What is the length of the equal sides if the perimeter is 32 inches?
September 21, 2011

The period of a satellite is the primary way that the mass of planets is determined. The equation used for this calculation uses the fact that gravity of the planet provides the centripetal force to keep the satellite in orbit. The distance from the Earth to the Moon is 3.8 x ...
November 23, 2010

Write the equation of the hyperbola with centre at (3,-1),vertex)6,-1),one asymptote with equation2x-4y=9
October 29, 2010

social studies
New York
September 28, 2010

Q.1 PQ RS are the two perpendicular chords of the rectangular hyperbola xy = c^2.If C is the center of the rectangular hyperbola,then the product of the slopes of CP,CQ,CR&CSis equal to______ Q.2If PN is the perpendicular from a point P on the rectangular hyperbola to its ...
January 18, 2010

oratorical piece
Can YOu give me an oratorical piece?
January 28, 2008

Social Studies
Where can I find a simple description of the difference between democratic party vs. republican party? I am 10 and just learning about politics.
December 16, 2007

algebra 1 help
The sum of 2 numbers is 56. 11 mire than twice the smaller number. Whatz the number
March 30, 2007

need information of feminism in Britain Go to and type in feminism britain. See what shows up. If you don't get all you need, try using feminist movement britain and see if additional links show up. =)
January 24, 2007

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