If Spaceship a Is Travelling at 70% the Speed of Light

question 57

Multiple Choice

If spaceship A is travelling at 70% the speed of light relative to an observer at rest,and spaceship B is travelling at 90% the speed of light relative to an observer at rest,which of the following have the greatest velocity as measured by an observer in spaceship B?

• A)A cannon shot from A to B at 50% the speed of light as measured in A's reference frame.
• B)A ball thrown from B to A at 50% the speed of light as measured in B's reference frame.
• C)A particle beam shot from a stationary observer to B at 70% the speed of light as measured in stationary reference frame.
• D)A beam of light shot from A to B travelling at the speed of light in A's reference frame.
• E)All of the choices have the same velocity as measured in B's reference frame.

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Definitions:

Genetic Polymorphism

A phenomenon where multiple forms or alleles of a gene exist within a population, allowing for genetic diversity.

Genetic Polymorphism

The occurrence of two or more distinct forms in the same population of a species, due to differences in genetic makeup.

Alleles

Different versions of a gene, located at the same position on homologous chromosomes, contributing to genetic variation.

Locus

A specific location on a chromosome where a particular gene or genetic marker is situated.