A ball swinging at the end of a massless string,as shown in the figure,undergoes simple harmonic motion.At what point (or points) is the magnitude of the instantaneous acceleration of the ball the greatest? 
Definitions:
Explicit Prejudice
A form of prejudice that individuals are consciously aware of and can express directly and openly.
Implicit Prejudice
Unconscious biases or attitudes towards certain groups of people that individuals may not be aware of.
Robbers Cave Study
A classic social psychology experiment by Muzafer Sherif that demonstrated how group conflict can arise from competition over resources and be reduced through cooperative tasks.
Us-Them Thinking
A form of social categorization that divides people into in-groups and out-groups, often leading to bias and prejudice.
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