From shortest to longest wavelength, which of the following correctly orders the different categories of electromagnetic radiation?

Two identical loudspeakers that are 5.00 m apart and face toward each other are driven in phase by the same oscillator at a frequency of 875 Hz

The speed of sound in the room is 344 m/s. If you start out standing midway between the speakers, find the shortest distance you can walk toward either speaker in order to hear a minimum of sound. A) 0.0983 m B) 0.197 m C) 0.295 m D) 0.393 m E) 0.590 m

A 0.20-m radius grinding wheel starts at rest and develops an angular speed of 12.0 rad/s in 4.0 s. What is the average tangential acceleration of a point on the wheel's edge?

a. 0.45 m/s2 c. 28 m/s2 b. 0.60 m/s2 d. 14 m/s2

Which statement is a common misconception with regard to Earth's atmosphere? a. The carbon dioxide added to the atmosphere since the year 1800 is mostly or entirely due to human burning of fossil fuels. b. All of Earth will warm at the same rate if there is global warming

c. The ozone layer in the upper atmosphere protects the lower atmosphere and Earth's surface from harmful solar UV radiation. d. Global warming and ozone depletion are two very different activities in Earth's atmosphere. e. Earth has experienced a greenhouse effect its entire planetary history.

Find the tension in an elevator cable if the 1 500-kg elevator is descending with an acceleration of 2.8 m/s2, downward

a. 1.9E+4 N b. 1.1E+4 N c. 4.2E+3 N d. 2.7E+1 N e. 2.1E+2 N