SOLUTION: A train starts off from standhill and after 20 minutes is going 20 miles/hr what is the trains acceleration rate?

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Question 1140833: A train starts off from standhill and after 20 minutes is going 20 miles/hr what is the trains acceleration rate?
Answer by ikleyn(53763) About Me  (Show Source):
You can put this solution on YOUR website!
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20 miles/hour = 20%2F60 miles/minute = 1%2F3 miles/minute.


Assuming acceleration  "a"  is uniform in time in this case,


     a = delta_v%2Fdelta_t = 1%2F3 miles/minute : 20 minutes = 1/60 of a mile/minute^2 = 60%5E2%2F60 miles/hour^2 = 60 miles/hour^2.      ANSWER