As a Spaceship Is Moving Toward Earth,an Earthling Measures Its

question 5

Essay

As a spaceship is moving toward Earth,an Earthling measures its length to be 325 m,while the captain on board radios that her spaceship's length is 1150 m.(c = 3.00 × 10⁸ m/s)
(a)How fast is the rocket moving relative to Earth?
(b)What is the TOTAL energy of a 75.0-kg crewman as measured by (i)the captain in the rocket and (ii)the Earthling?

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Definitions:

Discount Period

The window of time in which a payment can be made at a reduced rate.

Welfare

Governmental support aimed at ensuring the basic physical and material well-being of individuals, often including provisions for health care, education, and housing.

Helping

The act of providing assistance or support to others in need, often motivated by empathy, moral obligations, or the anticipation of reciprocation.

Bystander Effect

A social psychological phenomenon in which individuals are less likely to offer help to a victim when other people are present.