a train traveling at 30m/s comes to a complete stop in 20 sec.how far did the train go during the deceleration
1 answer:
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Answer:
Explanation:
1 mile=5280 ft
1 hour=3600 seconds
Changing speed from mi/h to ft/s
Time of flight,
From fundamental kinematics equations
where g is acceleration due to gravity whose value is taken as 32.2 ft/s2 and h is the distance
By substitution