Consider Three Galaxies,Alpha,Beta and Gamma

question 49

Multiple Choice

Consider three galaxies,Alpha,Beta and Gamma.An astronomer in Beta sees each of the other two galaxies moving away from her in opposite directions at 0.70c.At what speed would an observer in Alpha see the galaxy Beta moving?

• A)0.82c
• B)0.70c
• C)0.94c
• D)0.35c
• E)0.57c

---

Definitions:

Metallic Conduit

Metallic conduit is a metal pipe or tubing designed to protect electrical wiring and cables, providing a secure pathway and shielding them from damage.

MEGGER

A brand and a generic term for an instrument used to measure insulation resistance in electrical wiring and components.

Metallic Conduit

A protective metal tube used to house and protect electrical wires and cables providing a path for electrical wiring installations.

Derated

The process of operating a device below its rated maximum capability in order to prolong its life or ensure safety under certain conditions.