SOLUTION: I can't solve this problem... I need your help. An auto slows from 50 mph to 20 mph in 8 seconds. What was its acceleration rate and how far did it travel? (answer in m/s/s and

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Question 274523: I can't solve this problem... I need your help.
An auto slows from 50 mph to 20 mph in 8 seconds. What was its acceleration rate and how far did it travel? (answer in m/s/s and m)

Found 2 solutions by stanbon, Alan3354:
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
An auto slows from 50 mph to 20 mph in 8 seconds. What was its acceleration rate and how far did it travel? (answer in m/s/s and m)
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(20-50)/8 = -30/8 = -15/4 = -3.75 (m/s)/s
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Cheers,
Stan H.

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Do you want meters? or mph? or some of each?