t11 Phy 101 Form 0 2009

# t11 Phy 101 Form 0 2009 - P hysics 101 FORM 0[lJ When d...

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Physics 101 FORM 0 [lJ When dividing several quantities, the number of significant digits in the result must always be [Allarger than the number of significant digits in the most accurate of the quantities [B] equal to the number of significant digits in the most accurate of the quantities [OJ equal to the average number of significant digits in the most and least accurate of the quantities (@pequal to the number of significant digits in the least accurate of the quantities [E] smaller than the number of significant digits in the least accurate of the quantities [2J How far does light travel in one year, moving at 3.0 X 10 8 m/s? 10 8 10 8 10 12 14 [A] 3.0 X m [B] 9.5 X m [0] 6.9 X m [D] 5.3 X m @J)9.5 X 15 m [3] At a given instant, the acceleration of a certain particle is zero. This means that [A] the velocity is constant. [B] the velocity is increasing. © the velocity is not changing at that instant. [D] the velocity is decreasing. [El the velocity is zero. [4] A car is traveling at 30.0 m/s when the driver suddenly applies the brakes, giving the car a constant deceleration. The car comes to a stop in a distance of 120.0 m. What was the deceleration of the car? 03.75 m/s 2 [B] 4.00 2 [0] 4.25 m/s 2 [D] 4.50 2 [E~ 4.75 2 [5] A vector 5.0 units long, pointing 45° north of east, is added to a vector 12 uniis long, pointing 45° nO~M: of west. The magnitude of the resultant

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t11 Phy 101 Form 0 2009 - P hysics 101 FORM 0[lJ When d...

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