A Spaceship,traveling at 0

question 34

Multiple Choice

A spaceship,traveling at 0.100c away from a stationary space platform,launches a secondary rocket towards the station,with a speed of 0.560c relative to the spaceship.What is the speed of the secondary rocket relative to the space platform?

• A)0.460c
• B)0.487c
• C)0.492c
• D)0.550c
• E)0.660c

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Definitions:

Sell the Stock

The action of disposing of shares in a company.

Margin Call

A demand by a broker for an investor to deposit additional money or securities to cover possible losses.

Initial Margin

The upfront payment required to enter into a trading position as a guarantee against potential losses.

Maintenance Margin

The minimum account balance that an investor must maintain in a margin account after buying securities on credit, to protect brokers against deficits.