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A man claims he can safely hold on to a 9.7-kg child in a head-on collision with a relative speed of 112-mi/h lasting for 0.12...Asked by Megan
A man claims he can safely hold on to a 12.80 kg child in a head-on collision with a relative speed of 133. mi/h lasting for 0.100 s as long as he has his seat belt on.
(a) Find the magnitude of the average force needed to hold onto the child.
(a) Find the magnitude of the average force needed to hold onto the child.
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Answered by
Elena
133 mi/h=59.5 m/s
F=m•Δv/Δt=12.8•59.5/0.1=7616 N
F=m•Δv/Δt=12.8•59.5/0.1=7616 N
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