The nonzero stress components relative to axes (x, y, z) are σxx = -90 MPa, σyy = 50 MPa, and σxy = 6 MPa.

a. Determine the principal stresses, σ1≥ σ2≥ σ3

b. Calculate the maximum shear stress.

c. Calculate the octahedral shear stress.

d. Determine the angle between the x axis and the X axis, where X is in the direction of the principal stress σ1.

Apotter's wheel moves uniformly from rest to an angular speed of 0.20 rev/s in 32.0 s. (a) find its angular acceleration in radians per second per second. rad/s2 (b) would doubling the angular acceleration during the given period have doubled final angular speed?

The electric potential v is constant everywhere within a certain region of space. which statement below is true? the choices are: the electric field is also constant (but not zero) within the region. a charged particle placed within the region will experience an electric force. the electric field is zero everywhere within the region. the electric field varies from place to place within the region.

Which basic property determines a colored light's placement on the spectrum of visible light? a. speed b. frequency c. amplitude d. velocity