Assuming the Incline to Be Frictionless and the Zero of Gravitational

question 57

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 kinetic energy of the block when it has fully compressed the spring will be zero.
• D) the kinetic energy of the block just before it collides with the spring will be kx².
• E) the kinetic energy of the block when it has fully compressed the spring will be

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