In the Figure, Determine the Character of the Collision

question 6

Multiple Choice

In the figure, determine the character of the collision. The masses of the blocks, and the velocities before and after are given, and no other unbalanced forces act on these blocks. The collision is

• A) perfectly elastic.
• B) partially inelastic.
• C) completely inelastic.
• D) characterized by an increase in kinetic energy.
• E) not possible because momentum is not conserved.

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Definitions:

Denominator Degrees

This key term does not appear to be standard; however, it may refer to the denominator in statistical formulas where degrees of freedom are considered.

Estimated Form

In statistics, it refers to the version of an equation that estimates the parameters of a model based on sample data.

Unit

A standard measurement or quantity used as a basis for counting, comparison, or calculation.

Critical Value

A threshold point on the test distribution that is compared against the test statistic to determine whether to reject the null hypothesis.