Make the following conversion. 240 hm = m

Aknife blade is a(n) a. lever b. screw c. wedge d. inclined plane

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

J. j. thomson’s experiment disproved the theory that an atom