A particle is found to be at rest when seen from a frame `S_(1)` and moving with a constant velocity when seen from another frame `S_2`
a) Both the frames are inertial
b) Both the frames are non inertial
c) `S_(1)` is inertial and `S_2` is non inertial
d) `S_(1)` is non inertial and `S_2` is inertial

Options

A. a, b are true
B. c, d are true
C. b, c are true
D. a, d are true

Answer

A