Bob lifts a 0.9kg cup of coffee, initially at rest on the table,up to his mouth. The cup comes to rest after a verticaldisplacement of 0.7m. (NO IMAGE GIVEN)
a. In the process of being lifted, how much work was done on thecup by Bob?
b. Bob then hold the cup stationary for 1.8s. How much work wasdone on the cup by Bob during this time?
c. Realizing that the cup is empty, Bob lowers the cup 1.1mdownward into the sink, where it comes to rest. How much work wasdone on the cup by Bob in the process of being lowered?
