Chapter 37.3, Problem 37.3TYU

Samir (who is standing on the ground) starts his stopwatch at the instant that Maria flies past him in her spaceship at a speed of 0.600c. At the same instant, Maria starts her stopwatch. (a) As measured in Samir’s frame of reference, what is the reading on Maria’s stopwatch at the instant that Samir’s stopwatch reads 10.0 s? (i) 10.0 s; (ii) less than 10.0 s; (iii) more than 10.0 s. (b) As measured in Maria’s frame of reference, what is the reading on Samir’s stopwatch at the instant that Maria’s stopwatch reads 10.0 s? (i) 10.0 s; (ii) less than 10.0 s; (iii) more than 10.0 s.