A) \[6.75\] m
B) \[15.49\] m
C) \[7.50\] m
D) \[17.10\] m
Correct Answer: A
Solution :
The pion, in the laboratory frame can travel \[=25\,\times {{10}^{-8}}\,\times 0.9\,\times 3\times {{10}^{8}}\,m=6.75\,m\]You need to login to perform this action.
You will be redirected in
3 sec