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Physics, 07.10.2020 06:01, Amholloway13
A car traveling down the highway at 40 m/s increases its speed to 52 m/s over the course of 4 seconds. What was the average acceleration during this time?
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Answers: 1
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Very large accelerations can injure the body, especially if they last for a considerable length of time. one model used to gauge the likelihood of injury is the severity index ( ), defined as =/ . in the expression, is the duration of the accleration, but is not equal to the acceleration. rather, is a dimensionless constant that = the number of multiples of that the acceleration is equal to. in one set of studies of rear-end collisions, a person's velocity increases by 13.7 km/h with an acceleration of 36.0 m/s2 . let the + direction point in the direction the car is traveling. what is the severity index for the collision?
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One object has a mass of 1 kg and another object has a mass of 3 kg. if the speeds are the same, which of the following is true about their kinetic energy?
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A car traveling down the highway at 40 m/s increases its speed to 52 m/s over the course of 4 second...
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