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?​

Transfer chemicals from one location to another to weather objects. a-water b-physical weathering c-chemical weathering

In a stagnant pool of water, a crayfish may spend much of its time lying with one side of its carapace near the surface of the water. in this position, it will move the walking legs on that side in a rhythmic back-and-forth motion. explain the likely function of this behavior.

What is the orbital period of a spacecraft in a low orbit near the surface of mars? the radius of mars is 3.4×106m.