Who made the brand hydroflask?

Free runners jump long distances and land on the ground or a wall. how do they apply newton’s second law to lessen the force of impact?

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?

What types of radiation make up the electromagnetic spectrum?