Two Divers, One on the 15 Ft Platform and One

question 21

Multiple Choice

Two divers, one on the 15 ft platform and one on the 30 ft platform, hope to perform a joint dive in which they enter the water at the same time. If each begins with an upward jump with an initial velocity of at 14 ft/s, how much time difference should there be between the start of the two dives?

• A) 0.43 s
• B) 30.00 s
• C) 0.38 s
• D) 0.75 s

---

Definitions:

ANOVA

Short for Analysis of Variance, a statistical method used to compare means of three or more samples.

Second Grouping Factor

A secondary variable used in an analysis to categorize or group data, allowing for comparisons across different levels of this variable.

4 × 3 Factorial Design

A statistical test used in experiments involving two independent variables, one with four levels and the other with three levels, to determine their effect on a dependent variable.

Levels

The different values or categories that an experimental condition or variable can take on in a study.