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tracie34_19992003

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Due on Nov. 08, 2009
Asked on Nov 06, 2009 at 10:35:59PM

Q:

A car initially traveling at 29.7 m/s undergoes a constant negative acceleration of magnitude 2.00 m/s² after its brakes are applied.

(a) How many revolutions does each tire make before the car comes to a stop, assuming the car does not skid and the tires have radii of 0.330 m?
1 rev

(b) What is the angular speed of the wheels when the car has traveled half the total distance?
2 rad/s

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mellisa

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Posted on Nov 06, 2009 at 11:49:49PM

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Preview: ... e 2.00 m/s2 after its brakes are applied. (a) How many revolutions does each tire make before the car com ...

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Posted on Nov 06, 2009 at 11:54:39PM

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Preview: ... = 2 pi*r or 2*pi*r distance is traveled in 1 revolution or 220.5225 m is traveled in 220.5225/ 2*pi*r revolutions ...

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