Question

Two identical twins Tim and Tom separate on their 20th birthday when Dan goes on a space journey to a star 30 light years from Earth at a speed 0.95 c. He then immediately returns home at the same speed. How old will Tom and Tim be when they reunite on Earth?

a:Tom's age = 67.3 yrs and Tim's age = 34.6 yrs

b:Tom's age = 34.6 yrs and Tim's age = 67.3 yrs    

c:Tom's age = 39.7 yrs and Tim's age = 83.2 yrs

d:Tom's age = 58.4 yrs and Tim's age = 92.3 yrs

f:Tom's age = 64.0 yrs and Tim's age = 40.2 yrs

e:Tom's age = 33.6 yrs and Tim's age = 61.8 yrs

Answer 1