What does the wavelength of visible light waves correspond to sound color wave type

The rigid beam is supported by the three suspender bars. bars ab and ef are made of aluminum and bar cd is made of steel. if each bar has a cross-sectional area of 450 mm2, determine the maximum value of p if the allowable stress is (σallow)st = 200 mpa for the steel and ( σallow)al = 150 mpa for the aluminum. est = 200 gpa and eal = 70 gpa.

Determine the age of a fossil if it had only one eighth of its original carbon-14 content remaining?

Your town is considering building a biodiesel power plant describe at least two advantages and two disadvantages