A Spaceship from Another Galaxy Passes Over the Solar System $\gamma$

question 3

Multiple Choice

A spaceship from another galaxy passes over the solar system directly above a radial line from the sun to the Earth.(We measure that distance to be 1.5 *10¹¹ m. ) On Earth,the spaceship is observed to be traveling at a speed of 0.80 c,for which $\gamma$ = 5/3.As measured on Earth it takes the spaceship 625 seconds to travel from the sun to Earth.When a scientist in the spaceship measures the Earth-sun distance and the time it takes her to travel that distance,she finds the results are respectively

• A)9.0 *10¹⁰ m;375 s.
• B)9.0 *10¹⁰ m;625 s.
• C)1.5 * 10¹¹ m;625 s.
• D)2.5 * 10¹¹ m;625 s.
• E)2.5 *10¹¹ m;1042 s.

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Definitions:

Total Cost

The entire amount of money spent on the production, operation, or acquisition of goods and services, including all variable and fixed expenses.

Price-Setting Process

The method by which businesses determine the selling price of their products or services, considering costs, market demand, and competition.

Global Economy

The worldwide system of economic activities and transactions, encompassing the integrated economies of countries.

Profit Equation

The formula that calculates profit by subtracting total expenses from total revenue.