As the radius of the wheel increases, what happens to its circumference?

If the radius of curvature of the cornea is 0.75 cm when the eye is focusing on an object 36.0 cm from the cornea vertex and the indexes of refraction are as described before, what is the distance from the cornea vertex to the retina? express your answer to two significant

How can you increase the strength of an electromagnet?

Sort the images based on whether there's a force of attraction or repulsion between the magnets shown. attraction repulsion