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When the brakes of a certain car are applied, a deceleration of 6.0 m/s is produced. How much time will it take to bring the car to a halt from an initial speed of 110 km/hr?

When the brakes of a certain car are applied, a deceleration of 6.0 m/s is produced. How much time will it take to bring the car to a halt from an initial speed of 110 km/hr?
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When the brakes of a certain car are applied, a deceleration of 6.0 m/s is produced. How much time will it take to bring the car to a halt from an initial speed of 110 km/hr?

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User Raoulsson
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1 Answer

4 votes
Use the formula:


V=V_o+at\\ \\ 15.27=30.55-6t\\ \\ 6t=30.55-15.27\\ \\ 6t=15.28\\ \\ t=(15.28)/(6)=2.54 \ s
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User Roman Gudkov
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