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A man claims that he can hold onto a 16.0-kg child in a head-on collision as long as he has his seat belt on. Consider this man in a collision in which he is in one of two identical cars each traveling toward the other at 48.0 mi/h relative to the ground. The car in which he rides is brought to rest in 0.09 s.
(a) Find the magnitude of the average force needed to hold onto the child.
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