Why is it difficult to see colors outside at night?
question 3 options:
our eyes have rods and cones inside. the rods us see color, but they need more light to work.
our eyes have rods and cones inside. the cones us see color, but need more light to work.
at night, objects absorb light instead of reflect it, so the eyes are unable to see.
at night the light is black instead of white so the colors look different.

Which situation will produce the greatest change of momentum

Air conditioners not only cool air, but dry it as well. suppose that a room in a home measures 5.0m×9.0m×2.4m . if the outdoor temperature is 30 ∘c and the vapor pressure of water in the air is 85 % of the vapor pressure of water at this temperature, what mass of water must be removed from the air each time the volume of air in the room is cycled through the air conditioner? the vapor pressure for water at 30 ∘c is 31.8 torr.

Aprisoner is forced to go into one of three rooms, but he can choose which room. the first room is ablaze with fire. the second one is rigged with explosives that will go off as soon as he enters. the third contains a pair of lions who haven't eaten in years. which room should he choose to survive?