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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 x2 and time t (after time t = 0), according to person #2. Person #1 measures the location of this event at position x1. Would the value of x1 be greater than or less than x2?
ByAdmin3. 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…
In the “good guys vs. bad guys” example done in lecture, the bad guys invented a super ship and launched it 4 years after the good guys had left the planet to try to catch the good guys. The good guys were traveling at 0.6c. The bad guys’ super ship traveled at 3c. How much of a head start in distance did the good guys have (as calculated in the frame of reference of the bad guys’ planet)?
ByAdmin9. Question 9 In the “good guys vs. bad guys” example done in lecture, the bad guys invented a super ship and launched it 4 years after the good guys…
Consider Bob on Earth. At time t = 0, Alice flies by in her spaceship at constant velocity, heading to the right. Which diagram represents Bob’s world line in Alice’s frame of reference?
ByAdmin2. Question 2 Consider Bob on Earth. At time t = 0, Alice flies by in her spaceship at constant velocity, heading to the right. Which diagram represents Bob’s world…
When nuclear fusion occurs, energy is released because:
ByAdmin2. Question 2 When nuclear fusion occurs, energy is released because: 1 point  The sum of the masses of the product nuclei (and other products) is less than the…
Consider a spacetime diagram for Alice’s frame of reference (so Alice is positioned at x = 0) where x is in units of light years and t is in units of years. At t = 0 Alice plans to have a party. Consider the spacetime points listed below. If Bob was located at the point, and he had a spaceship that could travel at any speed up to the speed of light, would he be able to get to the party in time? (Mark all that are possible for him to get to the party in time.)
ByAdmin6. Question 6 Consider a spacetime diagram for Alice’s frame of reference (so Alice is positioned at x = 0) where x is in units of light years and t…
If v = 0 in the Lorentz transformation equation (and Alice is in one frame of reference and Bob in the other frame of reference), and Bob observes an event that occurs at x = 36 in his frame of reference, which of the following statements is true?
ByAdmin4. Question 4 If v = 0 in the Lorentz transformation equation (and Alice is in one frame of reference and Bob in the other frame of reference), and Bob…