Astronaut Mark Uri Is Space-Travelling from Planet X to Planet

question 1

Multiple Choice

Astronaut Mark Uri is space-travelling from planet X to planet Y at a speed of 0.65 c.When he is precisely halfway between the planets,a distance of 1 light-hour from each,nuclear devices are detonated.The explosions are simultaneous in Mark's frame.What is the difference in time of arrival of the flashes from the explosions as observed by Mark?

• A)0 min
• B)180 min
• C)90 min
• D)360 min

Recognize the elements of organization and layout during revision.

Identify effective strategies for reading and revising documents.

Understand when and how to correct grammatical errors in the writing process.

Identify key questions for obtaining feedback on a draft.

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Definitions:

Strong Close

A powerful and effective conclusion of a communication or presentation that leaves a lasting impression.

Slides

Individual pages or screens in an electronic presentation, each typically focusing on a single topic or point.

Quality

The degree to which something meets certain standards or fulfills requirements, often related to excellence or superiority.

Absorb Information

To absorb information means to take in and understand data and concepts, often leading to the retention and application of new knowledge.