The figure shows two tiny 5.0-g spheres suspended from two very thin 1.0-m-long threads.The spheres repel each other after being charged to 
and hang at rest as shown.What is the angle θ? (k = 1/4πε0 = 
Definitions:
Variable
Something that can differ or shift, whether it's an element, trait, or influence.
Trends
Patterns or directions in data that suggest a relationship or show a general tendency over time.
Time
The ongoing sequence of events taking place from past through present to future, measurable in units such as seconds, minutes, and hours.
Cardiac Patients
Individuals who are receiving treatment for or have been diagnosed with heart-related conditions.
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