suppose a child walks from the outer edge of an isolated rotating merry-go round to the inside; assume no external forces are applied to the system. does the angular velocity of the merry-go-round increase, decrease, or remain the same?

Unpolarized light of intensity so passes through two sheets of polarizing material whose transmission axes make an angle of 60∘ with each other as shown in the figure. what is the intensity of the transmitted beam, st?

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

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