The speed of sound in air is 343 m/s. If Madelyn sings a perfectly in-tune 'C' note with a
frequency of 512 Hz, what is the wavelength between each sound wave compression in the
air?

According to the law of conservation of mass, in a chemical reaction the total starting mass of all the reactants equal the total final mass of all the products. true or false?

What is a good example of instantaneous speed

Asatellite component is in the shape of a cube with 10cm edges, has an evenly distributed mass of 2 kg and one bolt hole at each of four corners. if the maximum predicted random vibration environment is 10 grms, what bolt size would be a good choice for restraint? what other factors might drive bolt size besides force/stress?