All forces exist in action reaction pairs

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How many neutrons does element x have if it’s stormy umber is 33 and it’s mass number is 95?

One day, after pulling down your window shade, you notice that sunlight is passing through a pinhole in the shade and making a small patch of light on the far wall. you see that the patch of light seems to be a circular diffraction pattern. it appears that the central maximum is about 1 cm across and you estimate that the distance from the window shade to the wall is about 3 m. what is (a) the average wavelength of sunlight? (b) the diameter of the pinhole?

Heena wants to measure the volume of a ball that is 24 cm across. how should she set up her equation?