The ceiling of your lecture hall is probably covered with acoustic tile, which has small holes separated by about 1 mm . Using light with a wavelength of 500 nm , how far L could you be from this tile and still resolve these holes

Which units can be used to measure length or distance? check all that apply. gram meter kilometer liter inch

Which of the following is not am example of a polymer? protein nylon kevlar concreta

The force acting on a beam was measured under the same operating conditions and a sample of 5 data points was collected. this process was repeated by 3 observers. the pooled standard deviations of these 3 data sets was 1.21. determine the true mean force using all pooled data (with a 95% probability). the result should look like this: true mean = mean +/- margin of error