If the form of a sound wave traveling through air is s(x, t)=(6.0 nm)cos(kx+(3000 rad/s)t+ϕ) how much time does any given air molecule along the path take to move between displacements s=+2.0 nm and s=−2.0 nm?

it takes about 30 days for it to break down

according to jean piaget, in what stage of cognitive development are children able to understand conservation task?

b. preoperational

just took it

answer: the correct answer for the fill in the blank is rods.

rods are the specialized photoreceptor cells that are present in the retina of human eye. they are responsible for vision in the night time ( also called scotopic vision). they have very low visual acuity and color distinguishing ability.

as they are responsible for vision in night time, therefore they are found predominantly in the nocturnal animals.