i do know i have to use
time dilation
length contraction
lorentz tranformation
time space coordinate
and also e=mc^2
but i not sure how to apply to this question
your help will be aprreciated :)
in Earth's reference frame:
1) what is the space time coordinate when time = 0
2)when the asteriod will collide wth the earth?
asteriod speed = 0.9c
asteriod colliding with eath in 2 hrs time
b)The mice population in asteriod. In mice reference frame, determine how much time they are...