a spring has a spring constant of 53 N/m. how much elastic potential energy is stored in the spring when it is compressed by 0.21 m.

What is meant by the statement" the melting poin of glycerine is 13 degree celsius

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

What is a possible result of higher air temperature caused by global warming