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Consider person #1 moving to the right (positive x direction) at a constant velocity v with respect to person #2. Assume that at time t = 0 the two were side by side. Each person measures distances using the same units (such as meters), and each person uses their own location as the origin for their measuring system. Let the measurements of person #1 be represented by x1 and the measurements of person #2 be represented by x2. Consider an event that happens at some position x1 and time t (after time t = 0), according to person #1. Person #2 measures the location of this event at position x2. Would the value of x2 be greater than or less than x1?
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3. Question 3 Consider person #1 moving to the right (positive x direction) at a constant velocity v with respect to person #2. Assume that at time t = 0…
One way to synchronize a system of identical (and well-running) clocks is to use one master clock to set the other clocks, and then move the clocks to their various locations. What is a potential problem with this approach that was mentioned in the lecture?
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1. Question 1 One way to synchronize a system of identical (and well-running) clocks is to use one master clock to set the other clocks, and then move the clocks…
Consider Alice’s spaceship with the light pulse apparatus that shoots two light pulses toward clocks at opposite ends of her ship, each with speed c relative to the apparatus (as drawn in the video lecture). Assume that Alice has properly synchronized her clocks, that her spaceship is moving with speed V to the right (in the positive x direction) relative to Bob, and that c is greater than V. True or false: In Alice’s frame of reference, the two light pulses will hit the clocks simultaneously (i.e., each clock will read the same time when the light pulses hit).
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2. Question 2 Consider Alice’s spaceship with the light pulse apparatus that shoots two light pulses toward clocks at opposite ends of her ship, each with speed c relative to…
In the Lorentz transformation equation for time, what is a consequence of the xmoving term?
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5. Question 5 In the Lorentz transformation equation for time, what is a consequence of the xmoving term? 1 point Time dilation Leading clocks lag Length contraction
Kaufmann’s experimental measurements made at about the same time as Einstein’s publication of his special theory of relativity:
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4. Question 4 Kaufmann’s experimental measurements made at about the same time as Einstein’s publication of his special theory of relativity: 1 point Seemed to provide strong evidence that…
Consider two identical light clocks, designed as explained in lecture. You put one on a remote-controlled rocket and keep one beside you. You steer the rocket so it flies by you at a very high constant speed. When you compare a segment of elapsed time on the moving clock to the elapsed time on the one next to you, what is the relationship between them? (γ represents the Lorentz factor.)
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9. Question 9 Consider two identical light clocks, designed as explained in lecture. You put one on a remote-controlled rocket and keep one beside you. You steer the rocket so…
