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marshall4
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a 1500kg car slows from 45km/h[E] to 30km/h[E]. What is the impulse from the brakes?
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A 1500kg car slows from 45km/h[E] to 30km/h[E]
- Context: Undergrad
- Thread starter marshall4
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SUMMARY
The discussion focuses on calculating the impulse experienced by a 1500 kg car as it decelerates from 45 km/h to 30 km/h. The conversion of speeds to meters per second is established, with 45 km/h equating to 12.5 m/s and 30 km/h to 8.3333 m/s. The impulse is calculated using the formula I = mdv, resulting in an impulse of -6250 kg·m/s, indicating a decrease in momentum due to braking.
PREREQUISITES- Understanding of basic physics concepts such as momentum and impulse
- Familiarity with the formula I = mdv for calculating impulse
- Knowledge of unit conversions, specifically from km/h to m/s
- Basic arithmetic skills for performing calculations
- Study the principles of momentum conservation in physics
- Learn about the relationship between force, mass, and acceleration
- Explore real-world applications of impulse in automotive safety systems
- Investigate the effects of braking distance and force on vehicle dynamics
Students studying physics, automotive engineers, and anyone interested in understanding vehicle dynamics and braking mechanics.
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