A steel with a critical fracture toughness of 150 MPa. m1/2 has a yield strength of 1500 MPa. If fracture were to take place at the yield stress, answer the following questions. Surface crack size at yielding leading to failure is:.
a. 0.497 cm
b. 0.994 cm
c. 0.32 cm

For a patient with the following pes statement and interventions, which would be the most appropriate monitoring and evaluating data? pes statement: inadequate calcium intake related to food and nutrition related knowledge deficit as evidenced by statements that the only dietary source of calcium is milk and she believes that she is lactose intolerant. patient’s nutrition prescription is for a diet providing 1200 mg calcium per day. patient was provided with in-depth nutrition education on alternative dietary and supplement sources of calcium. a. calcium intake (at subsequent visit) b. knowledge assessment by asking patient to identify food sources from menus and shopping list (at the end of the current visit) c. serum calcium (at next visit) d. both a and b e. both a and c

What forms when chemical reactions combine pollution with sunlight?

Aperfume bottle is dropped in the corner of a room. the odor of the perfume can be detected on the other side of the room. which statement best describes this observation?