F = m*a
therefore m = F / a
m = 100 / 5 = 20 kg
All the things that Hamlet said after he asked Ophelia where her father was is already directed to Polonius. He already knew that Polonius was in the room, eavesdropping.
"Are you honest?", "Are you fair?" are the lines which Ophelia did not really understand why he was asking. This means that these lines are directed to Polonius.
"It hath made me mad" was said for them to believe that he's really crazy.
C. His hours are long and busy.
Linking verbs are do not express action. It simply links the subject of the verb to the additional information about the subject.
In the above sentence, ARE is the linking verb. It does not express any action. Its subject is his hours. It connects the additional information long and busy to the subject his hours.
Verbs in other choices pays, works, and has walked are all action verbs. It does not connect the subject to additional information about the subject. Instead, the verb shows the subject doing the action (he works, he has walked) or the subject receiving the action (his boss pays him).