Examlex
A pendulum in a grandfather clock swings back and forth.Does the force of gravity do positive work on the pendulum at any point in its trajectory? If so,where?
Educated Blacks
Refers to African Americans who have attained formal education, particularly during times when access to education for Blacks was severely restricted.
Social Change
Social change involves the significant alteration of social structures and cultural patterns over time, affecting institutions, behaviors, and relationships.
Race Traitor
A derogatory term used to describe someone who is perceived as betraying their own race by their actions or beliefs.
William Hannibal Thomas
An African American author, soldier, and lawyer, known for his controversial 1901 book "The American Negro."
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