Please help Explain why the coin is able to float on top of the water in this glass.

Which two statements are true about a system? 1. a system is a group of objects analyzed as one unit. 2. energy that moves across system boundaries is conserved. 3. there’s only one way to define the boundaries of a system. 4. all systems are made by humans.

Case # 51173878 weighs 814 pounds; case # 51173981 weighs 803 pounds; case # 51174058 weighs 817 pounds; case 51174178 weighs 815 pounds; case # 51174248 weighs 817 pounds; case # 51174495 weighs 781 pounds; case # 51174577 weighs 828 pounds. what are the case #'s of the two cases that weigh the same amount?

Which set of lines provides the best textual evidence for why death ought not be proud? a)and soonest our best men with thee do go, rest of their bones and souls' delivery! b)one short sleep past we wake eternally and death shall be no more: death thou shalt die! c)death be not proud though some have call'd thee mighty and dreadful for thou art not so: d)from rest and sleep which but thy picture be 5 much pleasure then from thee much more must flow