A stereo speaker produces a pure "A" tone, with a frequency of 220.0 Hz. What is the period of the sound wave produced by the speaker?

T=

What is the wavelength water of the same sound wave as it enters some water, where it has a speed of about 1480 m/s?

λwater=

What is the wavelength air of this sound wave as it travels through air with a speed of about 341 m/s?

λair=

Which of the following explains why it took so long for the public to accept the negative health effects of smoking? a)people were waiting for counter reasons, and those were presented. b)scientists had not completely finalized their results, which took 30 years. c)cigarettes were cheaply available and media channels were very inefficient. d)cigarette manufacturers were trying hard to bring an alternative into the market

What should the power status of a circuit be when measuring resistance with an ohmmeter?

Aperson standing in a canoe exerts a force of 700 n to throw an anchor over the side. find the acceleration of the canoe if the total mass of the canoe and the person is 100 kg?