In moving out of a dormitory at the end of the semester, a student does 1.82 x 104 j of work. in the process, his internal energy decreases by 4.07 x 104 j.

determine each of the following quantities (including the algebraic sign):

(a)w,

(b)u

(c)q.

In addition to gravity, what is the other predominant force that affects the motion of a pendulum?

Hat is the most commonly cited cause of occupational injuries in the healthcare sector? a. repositioning of patients b. manual pipetting c. slips and trips d. workplace violence

Which of the following conditions lead you to see an absorption line spectrum from a cloud of gas in interstellar space? the cloud is extremely hot. the cloud is visible primarily because it reflects light from nearby stars. the cloud is cool and lies between you and a hot star. the cloud is cool and very dense, so that you cannot see any objects that lie behind it.