Posted by Ariel on Wednesday, September 8, 2010 at 4:13pm.
First change the 75 km/h to 20.83 meters per second
(Average Force)* Time = Momentum change
= 1700 kg * 20.83 m/s
Solve or the Average Force, in Newtons
1700(m/s)*20.83(kg)/7.0(s) = ___? N
In pounds, it's about 2300
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