Assuming the Incline to Be Frictionless and the Zero of Gravitational

question 5

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)None of the above statements will be true.

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A metric that shows how far a value stands from the mean within a collection of values, denoted in units of standard deviations.

Scores

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Standardized scores that indicate the number of standard deviations a data point is from the mean of its distribution.