If a 100-kg asteroid collides with Earth,causing the asteroid to decelerate in one second from 1,000 m/s to 0 m/s,what acceleration will Earth experience according to Newton's third law? (Earth has a mass of approximately 
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Definitions:
Construct Validity
A measure of how well a test or tool assesses the construct it claims to measure, indicating the appropriateness of inferences made from test scores.
True Score
The actual score that accurately reflects the variable being measured, without measurement error.
Observed Score
The actual score obtained by a participant on a test or measurement tool.
Actual Score
The true or observed value obtained from a measurement or assessment, not adjusted or transformed.
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