Assuming the Incline to Be Frictionless and the Zero of Gravitational

question 30

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:

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Drive-reduction Approach

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Motivation Approach

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