A 30-year-old astronaut goes off on a long term mission in a spacecraft that travels at speeds close to that of light. The mission lasts exactly 20 years as measured on Earth. Biologically speaking, the astronaut's age would be
A) more than 50 years.
B) exactly 50 years.
C) less than 50 years.
D) exactly 30 years.
E) exactly 25 years.
C
You might also like to view...
Consider a situation where you exert a force F on a crate of mass m, moving it at a speed v a distance d across a floor in a time interval t. The linear momentum of the crate is __________
Fill in the blank(s) with correct word
Determine the shape factor F1–4 for the geometrical configuration shown below.
GIVEN
Geometrical configurations shown above
FIND
The shape factor F1–4
The most recent estimates are that genetics contribute approx. ____________ to the development of personality characteristics such as shyness or activity level. *
Fill in the blank(s) with the appropriate word(s).
Name two space probes to the jovian planets and their destinations
What will be an ideal response?