Recent content by tadisc

Homework Statement OK, so this is a very basic question but i am uncertain what the relationship is. I know its logarithmic, but i don't know how to draw a conclusion. Here is the question: If you want an amplifier which will give a sound output which is twice as lod as your present 20 W...

wow, thank you so much. that does make sense now that you put it that way. I plugged it an got the right answer. This is my first time using this site, and i was beyond impressed with the time of the response, and the quality of the responses, especially at 3:00 am. Thank you so much! :D

Homework Statement Like the title says, I have a homework problem that asks for the maximum diameter of a hole that can be punched into a sheet of polystryrene 6 mm thick, knowing that the force exerted by the punch is 45 kN and that a 55 MPa average shearing stress is required to cause the...