A Space Vehicle of Mass M Has a Speed V

question 16

Multiple Choice

A space vehicle of mass m has a speed v. At some instant, it separates into two pieces, each of mass 0.5m. One of the pieces is at rest just after the separation.
-How much work was done by the internal forces that caused the separation?

• A)zero joules
• D)mv²
• E)2mv²

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Definitions:

T Test

A statistical test used to determine if there is a significant difference between the means of two groups, which may be related in certain features.

Least Squares Line

A regression line calculated using the least squares method, aiming to minimize the squares of the differences between observed and predicted values.

Independent Variables

Variables in a study or model that are manipulated to determine their effect on dependent variables.

Dependent Variable

A variable in statistical modeling or experimental design that is assumed to be affected by other variables.