force needed to stop car- 2 questions

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$3.00 force needed to stop car- 2 questions

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Due on Oct. 27, 2009
Asked on Oct 24, 2009 at 8:12:50PM

Q:

A car that weighs 14000.0 N is initially moving at a speed of 41.0 km/hr when the brakes are applied and the car is brought to a stop in 4.5 s. Find the magnitude of the force that stops the car, assuming it is constant.(1st question)

(2nd question) What distance does the car move during this time?

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SabeTodo
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$3.00 Force and Rectilinear Motion

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Posted on Oct 24, 2009 at 8:34:17PM

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Preview: ... , so the acceleration must also be constant. Because a is constant, we can use an equation of rectilinear motion: v f = v + at to f ...

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$3.00 Stopping of a moving car

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Posted on Oct 24, 2009 at 8:36:45PM

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Preview: ... To find the distance traveled, we need to use the equation of motio ...

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$3.00 PERFECT ANSWERS

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Posted on Oct 24, 2009 at 11:47:13PM

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Preview: ... it is constant.(1st question) (2nd question) What distance does the car move during this time? soluti ...

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