The string on a piano that produces a A sharp vibrates with a frequency of 235 Hz. If the sound waves produced by this striog have a wavelength in air of 1.49 meters, what is the speed of sound in air?​

Which quantities are scalars? choose all that apply a.distance b.speed c. acceleration d.velocity

Which is an example of gaining a static charge by conduction? a) rubbing a balloon against your hair. b) shuffling your shoes across a carpet. c) bringing a charged rod near an electroscope. d) touching your car on a cold day and getting a shock.

Which of the following harmful chemicals are found in tobacco smoke? a. carbon monoxide b. carbon dioxide c. nicotine b. carbon dioxide d. both a and c