A Spaceship Is Observed from the Earth to Be Moving

question 16

Multiple Choice

A spaceship is observed from the Earth to be moving toward a star at a speed of 0.80 c.If the distance from the spaceship to the star is 1.6 ly as measured from earth,how long does an observer on Earth find that it takes for the space ship to reach the star?

• A) 2.0 y
• B) 2.1 y
• C) 1.6 y
• D) 1.2 y
• E) 0.96 y

---

Definitions:

Greater Tubercle

A prominence on the upper lateral part of the humerus, serving as the site of attachment for several shoulder muscles.

Anatomical Neck

The region of a bone that connects the head of the bone to its body or shaft, often found in long bones like the humerus or femur.

Congenital Acetabular Dysplasia

A developmental disorder of the hip joint where the acetabulum is inadequately developed, leading to instability and potential dislocation of the hip.

Comminuted Fracture

A type of bone fracture where the bone is broken into three or more pieces, often requiring surgical intervention for proper healing.