Two charged balloons 2.1 × 10-1 meters apart have a repulsive force of 1.3 × 10-1 newtons. the charge on one balloon is 8.2 × 10-7 coulombs. what is the charge on the other balloon? (k = 9.0 × 109 newton·meters2/coulomb2)

7.7 × 10-7 coulombs
8.2 × 10-7 coulombs
9.8 × 10-7 coulombs
7.2 × 10-8 coulombs

Which produce would best increase the amount of heat energy that is actually gained by calorimeter b

Which of the following statements concerning the influence of culture on ethnic identity formation is accurate? a. one will reject ethnic identity if cultural stereotypes are encountered. b. if one’s ethnic city is different from the dominant cultural group, then one’s ethnic identity you will become weekend. c. if an the ethnic group is excepted by dominant culture, then ethnic identity formation can be a difficult process. d. similarity to the dominant culture can determine how easy it is for one to except ethnic differences.

Select the correct answer. which phrase correctly describes temperature? o a. average rotational kinetic energy of the particles in an object o b. average energy of the particles in an object c. average translational kinetic energy of the particles in an object od. all energy possessed by the particles in an object