Astronaut Spud Nick Is Space-Traveling from Planet X to Planet

question 42

Multiple Choice

Astronaut Spud Nick is space-traveling from planet X to planet Y at a speed of 0.60c relative to the planets,which are at rest relative to each other.When he is precisely halfway between the planets,a distance of 1.0 light-hour from each one as measured in the planet frame,nuclear devices are detonated on each planet.The explosions are simultaneous in the frame of the planets.What is the difference in the time of arrival of the flashes from the explosions as observed by Spud?

• A) 300 min
• B) 150 min
• C) 75 min
• D) 0 min
• E) 113 min

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Definitions:

Passive Portfolio

An investment strategy that seeks to replicate and hold a market index or benchmarks, typically requiring less frequent trading and lower fees.

Market Timing

Asset allocation in which the investment in the market is increased if one forecasts that the market will outperform T-bills.

Alpha Forecasts

Estimates or predictions of the active return on an investment, indicating how a security or portfolio is expected to perform relative to a benchmark index.

Forecast Imprecision

The degree of uncertainty or potential error in predicting future values or outcomes, often associated with economic, financial, or statistical forecasts.