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Two supports, made of the same material and initially of equal length, are 2.0 m apart.A stiff board with a length of 4.0 m and a mass of 10 kg is placed on the supports, with one support at the left end and the other at the midpoint.A block is placed on the board a distance of 0.50 m from left end.As a result the board is horizontal (that is, the downward force on each support is the same) .The mass of the block is:
Intelligence Test
A standardized test designed to measure a person's intellectual capabilities or intelligence quotient (IQ).
Linguistic Determinism
The theory that language determines thought, and that linguistic categories limit and determine cognitive categories.
Linguistic Relativism
The theory that the structure of a language affects its speakers' worldview or cognition, also known as the Sapir-Whorf hypothesis.
Longitudinal Study
Research design that involves repeated observations of the same variables (such as people) over short or long periods of time, often years or decades.
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