Ryan stores his bike near the ceiling in his garage. He raises the bike using a single fixed pulley. The pulley is old and only 75 % efficient If Ryan does 200 J of work to raise his bike, how much work is actually done on it?

Which of the following is not a possible cause of conduction deafness? a) cochlear nerve degeneration b) middle ear infection c) impacted cerumen d) otosclerosis

Which barrier to economic development is shown in the following examples? i. the high rate of hiv infection in underdeveloped nations ii. the use of children as soldiers in uganda’s army in the early 2000s iii. low literacy rates in underdeveloped nations with limited exposure to adequate education a. foreign debt b. political instability c. widespread disease d. low levels of social welfare

Which ability demonstrates that one can identify and share another person’s feelings a. resilience b. confidence c. integrity d. empathy