A book on a 3-meter high shelf has 17 joules of potential energy. What is the mass of this book?
a
30 kg
b
100 kg
c
.58 kg
d
50 kg

Which of these sentences is the correct one?

Which excerpt from leo tolstoy's the death of ivan ilyich reflects the author's opinion that the members of the medical profession don't really care about their patients?

The major difference between the communist party in china and political parties in the united states is that a. in the united states, political parties have no role in government. b. in china, the communist party shares power with the national people's congress. c. in the united states, political parties hold widely differing views on almost every topic. d. in china, the communist party runs the government with no opposition.