Examlex
The period of a pendulum is 2.0 s in a stationary inertial frame of reference.What is its period when measured by an observer moving at a speed of 0.60 c with respect to the inertial frame of reference?
Hypothesis
A proposed explanation for a phenomenon, based on limited evidence as a starting point for further investigation.
Test Evidence
Demonstrable data or documents that support the validity or reliability of a specific hypothesis, theory, or assessment tool.
Optimality Theory
A principle suggesting that organisms behave in ways that maximize their fitness, balancing the costs and benefits of each action.
Flight Expenses
The energy cost associated with flying, which includes the metabolic rate required for maintaining powered flight.
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