What impact speed must bumpers withstand, according to federal regulations?

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The correct answer is that bumpers must withstand an impact speed of 5.0 MPH according to federal regulations. This standard is significant because it ensures that bumpers are capable of absorbing and minimizing damage during low-speed collisions, helping to protect both the vehicle's structure and its occupants. The regulations take into account the common scenarios in which minor accidents frequently occur, such as parking lot collisions. By having a standard of 5.0 MPH, manufacturers are required to design bumpers that provide adequate protection in these typical incidents, thus contributing to overall vehicle safety.

The response stating 2.5 MPH is insufficient because it does not align with the actual federal standards, which require a higher level of performance to ensure safety in more realistic collision scenarios.

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