A Spaceship Is Moving Away from an Asteroid with a Speed

question 68

Multiple Choice

A spaceship is moving away from an asteroid with a speed of 0.80c relative to the asteroid. The spaceship then fires a missile with a speed of 0.50c relative to the spaceship. What is the speed of
The missile measured by astronauts on the asteroid if the missile is fired away from the asteroid?

• A) 0.50c
• B) 0.65c
• C) 0.93c
• D) 0.30c
• E) 1.3c

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Definitions:

Small U.S. Stocks

Small U.S. stocks are shares issued by companies with relatively small market capitalization, typically considered to offer higher growth potential but with increased risk compared to large-cap stocks.

Long-Term U.S. Treasury Bonds

Government bonds issued by the United States Department of the Treasury with maturities typically longer than 10 years, providing stable income with low risk.

Risk Premium

The additional return over the risk-free rate that investors require as compensation for investing in risky assets.

Coefficient of Variation

A statistical measure of the dispersion of data points in a data series around the mean, expressed as a percentage of the mean, often used to assess the risk of an investment relative to its expected return.