Which of the following best expresses the law of conservation of momentum
for an elastic collision between two objects?
o a. mi+m, , -(m + m2),
o b. , +ūs=m0, + müss
o c. m. + mv, emily + mv
o
d. (m+m, )v, = müs + m vas

What changes occur in the brain during the teenage years? 25 points, someone me out!a.) thinking becomes slower as the brain grows larger. b.) connections between neurons become stronger and faster. c.) unused neurons fuse together to form larger, better functioning neurons. d.) more neurons are developed.

With the simplified model of the eye, what corrective lens (specified by focal length as measured in air) would be needed to enable a person underwater to focus an infinitely distant object? (be careful-the focal length of a lens underwater is not the same as in air! assume that the corrective lens has a refractive index of 1.62 and that the lens is used in eyeglasses, not goggles, so there is water on both sides of the lens. assume that the eyeglasses are 1.90

What organization and environment is described above?