Assuming the Incline to Be Frictionless and the Zero of Gravitational

question 28

Multiple Choice

Assuming the incline to be frictionless and the zero of gravitational potential energy to be at the elevation of the horizontal line,

• A) the kinetic energy of the block just before it collides with the spring will be equal to mgh.
• B) the kinetic energy of the block when it has fully compressed the spring will be equal to mgh.
• C) the potential energy of the block when it has fully compressed the spring will be zero.
• D) the energy stored in the spring plus the gravitational potential energy of the block when it has fully compressed the spring will be equal to mgh.
• E) None of the above statements will be true.

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Definitions:

Thaddeus Stevens

A nineteenth-century U.S. politician and fierce advocate for abolition and civil rights, particularly known for his role in shaping Reconstruction policies.

Ambitious Aims

Goals or objectives that are challenging and require considerable effort or determination to achieve.

Reconstruction Act

1867 law that established temporary military governments in ten Confederate states—excepting Tennessee—and required that the states ratify the Fourteenth Amendment and permit freedmen to vote.

Black Men's Voting

Pertains to the historical and contemporary issues surrounding African American men's right to vote, including barriers to voter registration, disenfranchisement, and the impact of legislation meant to protect or restrict this right.