A Spaceship with a Constant Speed of 0

question 57

Multiple Choice

A spaceship with a constant speed of 0.800c relative to Earth travels to a star that is 4.30 light-years from Earth.How much time for this trip would elapse on a clock on board the spaceship?

• A)3.23 y
• B)4.40 y
• C)5.15 y
• D)5.38 y

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Definitions:

Ozone Hole

A significant depletion of the ozone layer in the Earth's stratosphere, primarily over Antarctica, resulting from the emission of chlorofluorocarbons (CFCs).

Ozone-Depleting Chemicals

Substances, such as chlorofluorocarbons (CFCs), that reduce the ozone layer in the Earth's stratosphere, contributing to ozone depletion.

Fossil Fuels

Natural fuels such as coal, oil, and natural gas, which are formed from the remains of living organisms over millions of years and used for energy production.

Skin Cancer

A type of cancer that forms in the cells of the skin, often due to exposure to UV radiation from the sun or tanning beds.