Two Objects, One of Mass M and the Other of Mass

question 14

Multiple Choice

Two objects, one of mass m and the other of mass 2m, are dropped from the top of a building. When they hit the ground

• A) both of them will have the same kinetic energy.
• B) the heavier one will have twice the kinetic energy of the lighter one.
• C) the heavier one will have four times the kinetic energy of the lighter one.
• D) the heavier one will have times the kinetic energy of the lighter one.

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Definitions:

Scheffé Test

A statistical post-hoc test used to compare multiple group means simultaneously after an ANOVA to control the type I error rate.

Tukey Test

Statistical procedure used to control familywise error when conducting all possible simple comparisons between groups.

Simple Comparisons

Analytical comparisons between two groups.

Familywise Error

The chance of encountering one or more incorrect rejections, known as type I errors, while testing several hypotheses.