Question

when mass can be changed?? why its not possible to travel faster than light?​

Answer 1

Answer:

Mass can't be changed its not possible to travel faster than light because you wont be possessing the same body while you will be light speed you'll get burnt because of infinitesimally incoverable speed by you

Answer 2

Answer:

1. your mass cannot be changed but your mass can be change when there will be less or very less gravity.It cannot be possible on Earth as here the gravity is very strong but on other planets or moon the mass changes as there is no gravity.
2. Because light speed is 299792458 m/s which is very fast