A student pushes a 51. 5 kilogram bookshelf across a smooth floor with a net force of 67 n.

If i got an 1040 on my psat, what are the chances of being able to get a 1400 on the sat. and are there any recommended ways to study.

Give the brainliestwhich parts of the scientific process differentiate it from pseudoscience? check all that apply. stating facts based on opinionsusing models and experimentsasking new questionsmaking subjective claimshaving explanations that answer all questionsi need more than one answer

The difference between the observed value and the mean of the set of values is a