A 1000-Kg Whale Swims Horizontally to the Right at a Speed

question 86

Multiple Choice

A 1000-kg whale swims horizontally to the right at a speed of 6.0 m/s. It suddenly collides directly with a stationary seal of mass 200 kg. The seal grabs onto the whale and holds fast. What is the
Speed of these two sea creatures just after their collision? You can neglect any drag effects of the
Water during the collision.

• A) 3.0 m/s
• B) 6.0 m/s
• C) 5.0 m/s
• D) 0.00 m/s
• E) 4.0 m/s

Appreciate the significance of dual-coding theory and its implications for memory enhancement.

Recognize the impact of attention and divided attention on task performance and memory.

Understand self-referent encoding and its effectiveness in memory recall.

Understand the levels of processing theory and its implications for memory longevity.

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Definitions:

Mean

The average value of a set of numbers, calculated by dividing the sum of all the values by the number of values.

Least Squares

Least squares is a mathematical method used to find the best-fitting line or curve to a set of points by minimizing the sum of the squares of the differences between the observed and estimated values.

Squared Vertical Distances

The square of the vertical distance from each data point to a line (often in the context of regression analysis), used to measure deviation or error.

Regression Analysis

A statistical method for examining the relationship between a dependent variable and one or more independent variables.