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As Measured from the Earth,a Spacecraft Is Moving at Speed

Question 39

Multiple Choice

As measured from the Earth,a spacecraft is moving at speed c/2 toward a second spacecraft that is not moving.The first spacecraft emits a laser pulse toward the second spacecraft.What is the speed of the laser pulse measured by the second spacecraft as it passes by?


A)
As measured from the Earth,a spacecraft is moving at speed c/2 toward a second spacecraft that is not moving.The first spacecraft emits a laser pulse toward the second spacecraft.What is the speed of the laser pulse measured by the second spacecraft as it passes by? A) B) C) D)
B)
As measured from the Earth,a spacecraft is moving at speed c/2 toward a second spacecraft that is not moving.The first spacecraft emits a laser pulse toward the second spacecraft.What is the speed of the laser pulse measured by the second spacecraft as it passes by? A) B) C) D)
C)
As measured from the Earth,a spacecraft is moving at speed c/2 toward a second spacecraft that is not moving.The first spacecraft emits a laser pulse toward the second spacecraft.What is the speed of the laser pulse measured by the second spacecraft as it passes by? A) B) C) D)
D)
As measured from the Earth,a spacecraft is moving at speed c/2 toward a second spacecraft that is not moving.The first spacecraft emits a laser pulse toward the second spacecraft.What is the speed of the laser pulse measured by the second spacecraft as it passes by? A) B) C) D)

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