Two Blocks of Masses M₁ and M₂ Are Released from the Top

question 93

Multiple Choice

Two blocks of masses m₁ and m₂ are released from the top of two frictionless inclined planes of the same height making 30° and 60° angles with the horizontal direction, respectively. Which of the blocks is going faster when it reaches the bottom of its respective incline?

• A) We must know the actual masses of the blocks to answer.
• B) Both blocks have the same speed at the bottom.
• C) Block 1 is faster.
• D) Block 2 is faster.
• E) There is not enough information to answer the question.

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Definitions:

Control Time Series

A method in statistics and research that involves collecting data points from a single group or subject over a period of time to identify trends or effects of interventions.

External Validity

The degree to which a study's findings can be applied to different situations and various individuals.

Extraneous Variables

Variables that can influence the outcome of an experiment but are not the variables being studied.

Negative Correlation

A relationship between two variables in which one variable increases as the other decreases, and vice versa.