Light travels through space at a speed of 299,792,458 m/s. how fast is that in miles per minute

Can somebody explain to me how newton's 3rd law relates to momentum? ~ap physics 1

In a simplified model of the human eye, the aqueous and vitreous humors and the lens all have a refractive index of 1.40, and all the refraction occurs at the cornea, whose vertex is 2.60 cm from the retina. what should be the radius of curvature of the cornea such that the image of an object 40.0 cm from the cornea’s vertex is focused on the retina?

Find the mass by adding the numbers from the three sliders