Choose the word that BEST completes the following sentence: The invention of the (insert word) made it easier to see that there were actually more bodies within the universe than was originally thought. O Television O Space craft O Air planes O Telescope​

1. a net force of 100 newton’s is applied to a wagon for 5 seconds. this causes the wagon to undergo a change in momentum of

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

Positrons are spontaneously emitted from the nuclei of