AST 201 Mastering Astronomy Assignment 2 - Assignment 2...

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4/4/2017Assignment 21/18Assignment 2Due: 5:00pm on Tuesday, January 24, 2017You will receive no credit for items you complete after the assignment is due.Grading PolicyPrelecture Reading Question S2.01Part AIn relativity, two people share the samereference frameonly if what is true?
CorrectPrelecture Reading Question S2.04Part AYou can see a clock in a spaceship moving past you at 90 percent of the speed of light. According to you, how much time would pass while the clock in thespaceship ticked through one minute?
CorrectPrelecture Reading Question S2.02Part A
She'll see the ball coming toward her at 60 km/hr.The ball will be stationary, floating freely in her own reference frame.She'll see the ball coming toward her at 120 km/hr.She'll see the ball moving away from her at 60 km/hr.
4/4/2017Assignment 2Correct
CorrectPrelecture Reading Question S2.03Part AThe measured value of the speed of light is about 300,000 km/s. Suppose a futuristic space train is traveling at 200,000 km/s with its headlights on. If youcould measure the speed of the light from the headlights, you would find it to be ______.
CorrectProblem S2.27Choose the best answer.Part AWhich of the following isnotrelative in the special theory of relativity?ANSWER:CorrectProblem S2.28Choose the best answer.Part AWhich of the following must be true of a person who shares the samereference frameas you?ANSWER:Correct
4/4/2017Assignment 23/18Process of Science: Constancy of the Speed of LightLearning Goal:To understand why the constancy of the speed of light implies that faster­than­light travel is not possible.

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