Suppose a certain jet plane creates an intensity level of 124 db at a distance of 5.01 m. what intensity level does it create on the ground directly underneath it when flying at an altitude of 2.25 km?

Dry ice is solid carbon dioxide that is used in the transport of food and medicine. dry ice becomes a gas at –78.5°c without becoming a liquid first.

Arunner is training for an upcoming marathon by running around a 100-m-diameter circular track at constant speed. let a coordinate system have its origin at the center of the circle with the x-axis pointing east and the y-axis north. the runner starts at (x, y) = (50 m, 0 m) and runs 2.5 times around the track in a clockwise direction.

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