Sort the characteristics of states of matter based on whether they change. the volume of a solid the shape of a solid the volume of a liquid the shape of a liquid the volume of a gas the shape of a gas

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

How is sound energy produced a. vibrating objects b. objects being heated c. temperature differences d. stationary objects

What is the measurement of how fast an object moves relative to a reference point?