Assume that the variables x and y are directly related. If k= 8, what is the value for each of the following points? Be sure and record your data to be used in the following problem.
х у
k
16
0.5
80
00
1
80
4
00
2
2.66
3
8

Which type of stress results when two plates push against one another? a. compression b. tension c. force d. shear

What are the similarities of physical and chemical change ?

Agroup of students is studying convection current. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other is in an area with warm air. after 10 minutes, the balloon are released from a height of 1 meter. which of the following to the students most likely observe? a) the warm balloon expands and rises. the cold balloon shrinks and sinks b) the balloon both rise. the cold balloon is larger than the warm balloon c) the cold balloon expands and rises. the warm balloon shrinks and sinks d) the balloon rise at the same rate. both balloons are the same size