is acceleration directly proportional to mass, or is it inversely proportional to mass? give an example.

Astudent is given an assignment to demonstrate diffraction. he takes a photograph of a straw in a glass of water. the straw appears bent at the water level. which best describes this example? a) this is a good example of diffraction. b) this is an example of dispersion and not diffraction. c) this is an example of refraction and not diffraction. d) this is an example of reflection and not diffraction.

What is the magnitude of the resultant vector round your answer to the nearest tenth

If the textbook weighs 19.6 newtons on venus, what is the strength of gravity on venus?