Question

Clarice says a tearful goodbye to her friend Duncan and departs from Earth on a spaceship. She is traveling at a speed of V. She and Duncan each set a timer to measure how long they've been apart. Duncan stayed on Earth, so Clarice has to let him know she's okay. After she experiences a time ∆ t' according to her timer, she sends him a love letter.

1. First, draw a spacetime diagram! Make sure to label the love letter, Clarice, Duncan, and each event.

2. Next, according to Duncan's timer, how much time elapses before Clarice sends the letter? (Give this answer using ∆ t', c & v. )

3. Lastly, according to Duncan's timer, when does he receive her letter? (Give this answer using ∆ t', c & v. )

Answer 1