Un gas oxígeno tiene una presión inicial de 2.2 atm con un volumen inicial dado. Al cambiar la presión final a 2.5cm3.¿cual será el volumen inicial?

What is the conversion factor between kg/m^3 and g/m^3. express your experimental values for the densities in kg/m^3.

Asolid round steel rod 6.25 mm in diameter and 375 mm long is rigidly bonded to the end of solid square brass rod 25 mm on a side and 300 mm long. the geometric axes of the bare are along the same line. an axial tensile force of 5.4 kn is applied at the extreme ends of the assembly. for steel e = 200 gpa and for brass e = 90 gpa. determine the total elongation for the assembly.

Awave with a frequency of 500 hz is traveling at a speed of 100 m/s.what is the wavelength?