Acold beer initially at 35ºf warms up to 40ºf in 3 min while sitting in a room of temperature 70ºf. how warm will the beer be if left out for 20 min

Fill in the blank. the number of each type of element in the compound (other than 1) is represented by a small number to the right of the element symbol.

After a big snowfall, you take your favorite rocket-powered sled out to a wide field. the field is 195 m across, and you know that your sled accelerates at a rate of 3.65 m/s2 when the rocket is on. how much time will it take the sled to cross the field starting from rest, assuming the rocket is on the whole time?

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?