_ The velocity of thermal (slow) neutrons triggering nuclear fission reaction (having energy equal to 0.025 eV) is about __________ metres/second.$?

_ The velocity of thermal (slow) neutrons triggering nuclear fission r

1.	_ The velocity of thermal (slow) neutrons triggering nuclear fission reaction (having energy equal to 0.025 eV) is about __________ metres/second.$?
A.	1100
B.	2200
C.	3300
D.	4400
Answer» C. 3300