In one scene in the movie the godfather ii, a solid gold phone is passed around a large table for everyone to see. suppose the volume of gold in the phone were equal to the volume of a 10-centimeter cube of gold. the density of gold is 19,300 kg/m3.
could such a phone be casually passed around a table from hand to hand? what is the weight of the phone? 1 kg of mass is about 2.2 lb.
1. yes; it weighs about 9 lbs.
2. no; it weighs about 90 lbs.
3. no; it weighs about 45 lbs.
4. yes; it weighs about 4.5 lbs.