Tuesday
December 10, 2013

Posts by richard

Total # Posts: 221

Physics
What is the fundamental frequency for a 62 cm banjo string if the speed of waves on the string is 470 m/s?

Physics
How long is a wavelength of infrasound with a frequency of 4 Hz?

Physics
Radio waves travel at the speed of light, which is 3.00 108 m/s. What is the wavelength for a FM station broadcasting at 105.9 MHz (the prefix M is "mega" and means 106)?

Physics
What is the maximum total force exerted on a 78 kg astronaut by her seat during the launch of the Space Shuttle?

statistics
the mean is based off of 3 months. multiply it out to get the mean for a correct time period (1.5x4=6). I use the Poisson function in excel. Mean is equal to 6 and x is equal to 12 and 0. True is up to a certain number (up to 12) and false is exactly a certain number (exactly ...

Chemistry
Well Kae, 3KOH + Fe(NO3)3 -> 3KNO3 + Fe(OH)3

physics
A student of weight 990 N was sent to another planet called Nerdland. If Nerdland has a mass that is three times the mass of the earth and a radius that is half the radius of the earth, what would be the mass in kg of the student when on Nerdland?

math
a 4 digit number my 2 nd digitis twice my 3 digit the sum of all my digits is 3 times greater than my last digit the productof my 3rd and 4th digits is 12 times greater than the ratio of my 2nd to 3rd whats my number?

math
solve by the elimination method: 9x-9y=18 7y-3x=-8 please solve step by step thank you for your help

chemistry
Calculate the number of moles of FeSO4 in 25cm3 of a 0.2mol dm3 solution

Pages: <<Prev | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | Next>>

Search
Members