SOLUTION: A 500 kg car comes to a stop from a speed of 20 m/s in 5.2 seconds. What braking force was acting during this time period?
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Question 786807: A 500 kg car comes to a stop from a speed of 20 m/s in 5.2 seconds. What braking force was acting during this time period?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
A 500 kg car comes to a stop from a speed of 20 m/s in 5.2 seconds. What braking force was acting during this time period?
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a = v/t = 20/5.2 m/sec/sec
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F = ma = 500 kg*(20/5.2) m/sec/sec
F = 10000/5.2 kg-m/sec^2
F =~ 1932.1 Newtons
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