Which visible quality of smoke shows that it contains a lot of gas influencing the other particles? (a)the shade of the color is different in different places. (b)smoke usually has an unpleasant smell. (c)smoke rises out of very hot substances. (d)the shape of the smoke changes very easily.

Which statement is best supported by the information in the chart? wave y is moving the fastest. wave x is moving the fastest. all of the waves are moving at the same speed. all of the waves have the same value of wavelengths per second.

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?

The force it would take to accelerate an 900-kg car at the rate of 6m/s2