distance = rate x time
= (120)5280/3600 ft/s x .9 s
= 158.4 ft
a locomotive is traveling at 120 mph. the engineers reaction time is 0.9 seconds how many feet will the train travel before the engineer recognises an emergency and applies the brake.
A.265.ft
B.260.ft
C.160.ft
D.165.ft.
1 answer