Show complete work. Indicate how you arrived at the final answer. A force of 35 N is applied to an object to make it accelerate at 2.0
m/s^2. What is the mass of the object?

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.

Which type of bond is found between the atoms of a molecule? a. metallic b. delocalized electron c. covalent d. ionic

This is for my 8th grade science class, i really don’t understand. can someone me? , lol.