The magnetic coils of a tokamak fusion reactor are in the shape of a toroid having an inner radius of 0.491 m and outer radius of 0.762 m. The toroid has 691 turns turns of wire, each of which carries a current of 8.66 kA. Find the magnetic field strength along the inner radius.

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?

Which branches of natural science include the study of an organism that lived 10 million years ago

Awave with a frequency of 500 hz is traveling at a speed of 100 m/s.what is the wavelength?