Aplane stress element has σ,-4750 psi, σ,-1200 psi, and τ,-950 psi ccw. a) draw mohr's circle. b) find the principal stresses and show them on a sketch of a properly oriented element c) find the maximum shear and show them on a sketch of a properly oriented element that shows the orientation of the maximum shear stress planes and all other stresses acting on those planes

Which of the following are guidelines to follow for obtaining accurate observations

What would be the strength of earth's gravitational field at a point where an 80.0 kg astronaut would experience a 80% reduction in weight

During a medieval siege of a castle, the attacking army uses a trebuchet to hurl heavy stones at the castle walls. if the trebuchet launches the stones with a velocity of at an angle of 50.0°, (a) how long does it take the stone to hit the ground? (b) what is the maximum distance that the trebuchet can be from the castle wall to be in range? (c) how high will the stones go? show all your work.