Sunday
May 1, 2016

Posts by silly

Total # Posts: 25

theory of evolution
@Angel Angel's right with all of the answers! I got a 100 on the test. Thank you.
May 18, 2015

Math
Your search for Determine the number of square meters of vinyl needed to line the inside of a right rectangle swimming pool. The pool is 7m long, 4m wide, and has a uniform depth of 2.5m returned no results.
November 28, 2011

physics
Two point sources produce waves of the same wavelength and are completely out of phase (that is produces a crest at the same time as the other produces a trough). At a point midway between the sources, would you expect to find a node or an antinode? Why? Please show work, ...
May 2, 2011

physics
You have a tuning fork of unknown frequency. When your ring it alongside tuning fork with frequency of 360Hz, you hear beats at frequency of 2 Hz. When you ring it alongside tuning fork with known frequency of 355Hz, you hear beats at a frequency of 3Hz. What is the unknown ...
May 2, 2011

physics
You tie a battery powered, fixed-frequency buzzer to the end of a string and swing it around in a large horizontal circle. Your friend stands well off to the right and listens to the tone. At which of the labeled locations will the buzzer be when your friend hears the highest ...
May 2, 2011

physics
You tie a battery powered, fixed-frequency buzzer to the end of a string and swing it around in a large horizontal circle. Your friend stands well off to the right and listens to the tone. At which of the labeled locations will the buzzer be when your friend hears the highest ...
May 2, 2011

physics
What would happen the the wavelength of an organ pipe if you fill it with helium instead of air? What would happen to the fundamental frequency? Explain Please show all work, Thank you
May 2, 2011

physics
Does increasing the tension of the string affect the wavelength of the fundamental standing wave on a guitar string? Plese show all work Thank you
May 2, 2011

physics
which of the following properties of a sound wave determines its pitch: wavelength, speed, amplitude, or frequency? Plese show work, Thank you, Silly
May 2, 2011

p
you visit the grand canyon on a particularly hot day and like all good tourists, you yell, Hello! Would you expect to hear the echo sooner or later than on a cooler day? Why? please show all work Thank you
May 2, 2011

physics
Sound waves in iron have a speed of about 5100 m/s. If the waves have a frequency of 400 Hz, what is their wave length? I am thinking it is 12.75 v/f 5100/400 is 12.75 m Is this correct. Thank you
May 2, 2011

physics
I am thinking it is 1.5 n.s v=FA v=(0.3)/(5) v=1.5 m/s
May 2, 2011

physics
If the breakers at a beach are separated by 5m and hit shore with frequency of 0.3Hz, at what speed are they travelling? Please show all work, Thank you
May 2, 2011

physics
I think it will be... The fourth harmonic is 4 times the fundamental frequencies and the the second is two times the frequencies. Is this right or am I missing something...silly
May 2, 2011

physics
How does a wavelength of the fourth harmonic on a rope with both ends fixed compare with that of the second harmonic? Please show all work Thank you
May 2, 2011

physics
How does a wavelength of the fourth harmonic on a rope with both ends fixed compare with the lenght of the rope?
May 2, 2011

physics
In the following list of periodic waves, which one is independent of the others: frequency, wavelength,speed,amplitude? Plese show all work Thank you
May 2, 2011

physics
What is the period of the hand on a clock that measures the minutes? What is the frequency? Please show work, Thank you, Abbie
May 2, 2011

chemistry
Ni+4CO=NI(CO)4 this reaction seperates nickel from other solid impurities.Starting with 86.4g NI,calculte the pressure of NI(CO)4 in a container of volume To Drbobb222, after using the formular u gave. PV=nRT moles for NI(CO)4 is 171 and the volume is 4, multiply that rite? ...
November 28, 2010

chemistry
Ni+4CO=NI(CO)4 this reaction seperates nickel from other solid impurities.Starting with 86.4g NI,calculte the pressure of NI(CO)4 in a container of volume 4.00L
November 28, 2010

chemistry
Ni+4CO=NI(CO)4 this reaction seperates nickel from other solid impurities.Starting with 86.4g NI,calculte the pressure of NI(CO)4 in a container of volume 4.00L
November 28, 2010

chemistry
A healthy adult exhales about 5.0*10 exponent 2 ml, of a gaseous mixture with each breath. calculate the number of molecules present in this volume at 37C and 1.1atm.
November 28, 2010

chemistry
How does electron configuration of ions derived from representative elements give them stability?
November 28, 2010

science
I NEED HELP ON MY CROSS WORD PUZZLE FAST CUZ IT IS DUE TOMARROW PLZ HLP
September 2, 2010

Preschool teacher needs your help... thx a mill
Use counters and find a way to do a game where they count them and name the color.
November 14, 2009

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