Physics 1 Final - Part 1 of 4
SAMPLE
Please be aware that you practice a sample exam set, which means that it’s mimicking a real exam. In order to have more accurate experience:
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10. Conservation of Energy / Collisions & Motion (Momentum & Energy) / Problem 15
The impact resistance of new motorcycle helmets is tested by striking them against rigid barriers at a speed of 20 m/s. A prototype helmet, weighing 2 kg, comes to a complete stop in 0.2 seconds upon impact. Determine the average force exerted on the helmet by the barrier during the collision.
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