Calculate the Average Force a Bumper Would Have to Exert

question 14

Multiple Choice

Calculate the average force a bumper would have to exert to bring a 1200-kg car to rest in 15 cm when the car had an initial speed of 2.0 m/s (about 4.5 mph) .

• A)1.8 × 10⁴ N
• B)1.6 × 10⁴ N
• C)5.4 × 10⁴ N
• D)6.5 × 10⁵ N
• E)3.2 × 10⁴ N

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