An) is an organism that lives on another organism and causes harm to that organism. what word can be used to fill in the blank?
a. remora
b. parasite
c. lichen
d. fungus

The bar of prob. 5/82 is repeated here. the ends of the 0.4-m bar remain in contact with their re- spective support surfaces. end b has a velocity of 0.5 m/s and an acceleration of 0.3 m/s2 in the di- rections shown. determine the angular accelera- tion of the bar and the acceleration of end a.