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Imagine that Bob, at a spaceport, observes Alice flying by to the right in her spaceship at a velocity of 0.9c. When Alice’s ship had been previously docked at the spaceport, Alice had measured its length as 100 meters. Alice has five clocks on her spaceship: one in front (at 0 meters), one at 25 meters, one at 50 meters, one at 75 meters, and one at the rear at 100 meters. All the clocks are synchronized in Alice’s frame of reference. When Alice flies by Bob, Bob uses his lattice of synchronized clocks to take simultaneous photos of Alice’s clocks (simultaneous in Bob’s frame of reference). Bob compares the times shown in the photos of Alice’s second clock (at 25 meters) and fourth clock (at 75 meters). Which clock is running ahead of the other?
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6. Question 6 Imagine that Bob, at a spaceport, observes Alice flying by to the right in her spaceship at a velocity of 0.9c. When Alice’s ship had been previously…
A business wants to sell products online. What ad format clearly displays both a video and a product?
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24. Question 24 A business wants to sell products online. What ad format clearly displays both a video and a product? 1 / 1 point Stories Video Slideshow Collection Correct!…
A ‘real option’ is defined as:
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1. Question 1 A ‘real option’ is defined as: 1 point A decision based on several alternatives The right to expand an initial investment or exploit an opportunity…
A quick service restaurant client is launching a new delivery service and wants to build awareness of the service to a large number of people. The client wants to launch a campaign that reaches people ages 18-34 who are interested in food and dining. The client has two creatives: a ThruPlay video and a 6-second video. Which objective and placements should the client use?
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21. Question 21 A quick service restaurant client is launching a new delivery service and wants to build awareness of the service to a large number of people. The client…
On a spacetime diagram with time in years and x in light years, what is the slope of a world line of a faster-than-light object that is moving to the right (positive x direction)?
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1. Question 1 On a spacetime diagram with time in years and x in light years, what is the slope of a world line of a faster-than-light object that is…
What is it? A passive voice puts the cart before the horse.
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4. Question 4 What is it? A passive voice puts the cart before the horse. 1 / 1 point None of those Analogy Metaphor It is a…
