Heating the air will

a. not affect the speed of sound
b. block the movement of sound
c. slightly increase the speed of sound
d. sharply decrease the speed of sound

Acertain radio station broadcasts radio waves that have a wavelength of 298cm what is its broadcast frequency?

Which of the following is a characteristic shared by both electron and light microscopes? a. they both employ the use of objective lenses. b. both microscopes require an internal camera to visualize the specimen. c. both microscopes have a resolving power of 0.01 nm. d. they both utilize white light to magnify the specimen.

Atruck with 34-in.-diameter wheels is traveling at 55 mi/h. find the angular speed of the wheels in rad/min, *hint convert miles to inches & hours to minutes: