In the experiment, a meter is hooked up to a speaker to monitor the amplitude of the received sound. suppose the background signal level is 10 mv, the signal is 96 mv with no attenuator and is 32 mv with an attenuator in place. calculate pt/pipt/pi including the background correction.

In which of the following cases is work being done on an object? question 2 options: pushing against a locked door carrying a box down a corridor pulling a trailer up a hill suspending a heavy weight with a strong

What is the most useful equation for electric power?

Iron is a transition metal with multiple oxidation numbers. (answer the following) a. what is the iron (ii) ion? how does it differ from the iron (iii) ion? b. if iron were to bond with oxygen, predict the formula for each oxidation number of iron. c. how would each formula be named?