What is the most important concern when trying to prevent frostbite? a. drinking enough fluids b. wearing cotton next to your skin c. dressing to protect hands d. wearing sunscreen

Describe uniform velocity and variable velocity in short

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?

How much energy must a refrigerator absorb from 225 g of water so that the temperature of the water will drop from 35°c to 5°c