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0.45c. Alice is training for the Olympics. She does intervals on a 150 ft straightaway, running at v = There are clocks at both the start line and finish line. Furthermore, Alice wears a fitbit, which she sets to be in sync with the clock at the start line, so that both her watch and the start line clock read zero right as she runs past it. part a Draw two spacetime diagrams: One in Alice's reference frame and one in the frame of the Earth. On each diagram, sketch a worldline for Alice, a worldline for the clock at the start line, and a worldline for the clock at the finish line.

0.45c. Alice is training for the Olympics. She does intervals on a 150 ft straightaway, running at v = There are clocks at both the start line and finish line. Furthermore, Alice wears a fitbit, which she sets to be in sync with the clock at the start line, so that both her watch and the start line clock read zero right as she runs past it. part a Draw two spacetime diagrams: One in Alice's reference frame and one in the frame of the Earth. On each diagram, sketch a worldline for Alice, a worldline for the clock at the start line, and a worldline for the clock at the finish line.

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I also need help in part a,b and c.

part b) In the earth frame, how time elapses while Alice completes one interval on the straightaway?

part c) What does time Alice's fitbit read when she crosses the finish line?

0.45c. Alice is training for the Olympics. She does intervals on a 150 ft straightaway, running at v = There are clocks at both the start line and finish line. Furthermore, Alice wears a fitbit, which she sets to be in sync with the clock at the start line, so that both her watch and the start line clock read zero right as she runs past it. part a Draw two spacetime diagrams: One in Alice's reference frame and one in the frame of the Earth. On each diagram, sketch a worldline for Alice, a worldline for the clock at the start line, and a worldline for the clock at the finish line.
Transcribed Image Text:0.45c. Alice is training for the Olympics. She does intervals on a 150 ft straightaway, running at v = There are clocks at both the start line and finish line. Furthermore, Alice wears a fitbit, which she sets to be in sync with the clock at the start line, so that both her watch and the start line clock read zero right as she runs past it. part a Draw two spacetime diagrams: One in Alice's reference frame and one in the frame of the Earth. On each diagram, sketch a worldline for Alice, a worldline for the clock at the start line, and a worldline for the clock at the finish line.
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