subject
Physics, 10.12.2019 22:31 brittinyvenegas

The air quality index measures

a. the level of carbon monoxide over the previous ten days.
b. deterioration in the ozone layer.
c. concentration of five air pollutants of concern to health.
d. amount that visibility is diminished by smog.

ansver
Answers: 3

Another question on Physics

question
Physics, 22.06.2019 01:10
The 10-kg double wheel with radius of gyration of 125mm about o is connected to the spring of stiffness k = 600 n/m by a cord which is wrapped securely around the inner hub. if the wheel is released from rest on the incline with the spring stretched 225 mm, calculate the maximum velocity v of its center o during the ensuing motion. the wheel rolls without slipping
Answers: 1
question
Physics, 22.06.2019 07:00
Within a pendulum, as potential energy decreases, energy increases. a. heat b. kinetic c. frictional d. gravitational
Answers: 1
question
Physics, 22.06.2019 11:20
If a rock is thrown upward on the planet mars with a velocity of 12 m/s, its height (in meters) after t seconds is given by h = 12t − 1.86t2. (a) find the velocity of the rock after two seconds. m/s (b) find the velocity of the rock when t = a. 12−3.72a m/s (c) when will the rock hit the surface? (round your answer to one decimal place.) t = s (d) with what velocity will the rock hit the surface? m/s
Answers: 1
question
Physics, 22.06.2019 19:30
Which of the following compounds would be primarily ionic? methane, ch4, ammonia nh3, calcium chloride, cacl2, or carbon dioxide, co2
Answers: 1
You know the right answer?
The air quality index measures

a. the level of carbon monoxide over the previous ten da...
Questions
question
Mathematics, 12.07.2019 21:00
question
Social Studies, 12.07.2019 21:00
Questions on the website: 13722360