If you find a shiny substance and your wondering if it’s gold how can you know if it’s gold or not?

Explain what makes a passenger in a turning car slide toward the door. critical thinking

Distinguish between a transverse wave and a longitudinal wave.

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