Select the correct answer.
In which research method does a researcher change the value of one variable to determine how the change affects another variable?
A.
experiment
observational research
C. survey
D. case study

Describe the path of the electric current through a circuit?

Aria drove to the store, did some shopping, and then came home. during maria's trip, when was her displacement equal to zero?

Balloon a has charge q, and identical mass balloon b has charge 10q. you hang them from threads near each other. choose all of the statements with which you agree. check all that apply. a. a and b exert the same magnitude forces on each other. b. the force that a exerts on b is 10 times the force that b exerts on a. c. the angle between the thread supporting a and the vertical is < the angle between the thread supporting b and the vertical. d. the force that a exerts on b is 1/10 the force that b exerts on a.