8.1+ A trip to the grocery store. Tabetha needs to pick up bananas from a grocery store located 1200 feet from her home. She travels there at a speed of V = c. As she starts her journey, her wristwatch, her home's wall clock, and the grocery store's wall clock all read noon. (Tip: It will help to make four sketches: in the Earth's frame, leaving home and arriving at the store; in Tabetha's frame, leaving home and arriving at the store.) a. How much time elapses in the Earth's frame during her journey? b. How much time does Tabetha's wristwatch tick off during this journey? c. In Tabetha's frame, the grocery store moves toward her. How far must it travel to reach her? d. Using your result for part (c) and the definition speed= distance traveled time elapsed find out how much time it takes for the grocery store to reach Tabetha. Compare with your result from part (b),

8.1+ A trip to the grocery store. Tabetha needs to pick up bananas from a grocery store located 1200 feet from her home. She travels there at a speed of V = c. As she starts her journey, her wristwatch, her home's wall clock, and the grocery store's wall clock all read noon. (Tip: It will help to make four sketches: in the Earth's frame, leaving home and arriving at the store; in Tabetha's frame, leaving home and arriving at the store.) a. How much time elapses in the Earth's frame during her journey? b. How much time does Tabetha's wristwatch tick off during this journey? c. In Tabetha's frame, the grocery store moves toward her. How far must it travel to reach her? d. Using your result for part (c) and the definition speed= distance traveled time elapsed find out how much time it takes for the grocery store to reach Tabetha. Compare with your result from part (b),