The human eye is capable of an angular resolution of about one arcminute, and the average distance between eyes is approximately 2 in. if you blinked and saw something move about one arcmin across, how far away from you is it? (hint: you can use the setup in example 19.2 as a guide.)

Which of the following are guidelines to follow for obtaining accurate observations

What is the measure of how much matter is in an object and that can be measured using a balance? a. height b. volume c. weight d. mass

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.