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Author Question: A car is traveling with a constant speed when the driver suddenly applies the brakes, giving the car ... (Read 45 times)

@Brianna17

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A car is traveling with a constant speed when the driver suddenly applies the brakes, giving the car a deceleration of 3.50 m/s2. If the car comes to a stop in a distance of 30.0 m, what was the car's original speed?
 
  A)
 
  10.2 m/s
 
  B)
 
  14.5 m/s
 
  C)
 
  105 m/s
 
  D)
 
  210 m/s
 
  E)
 
  315 m/s

Question 2

A beam of light in air is incident on a glass slab at an angle of incidence i < 90. After entering the glass slab, the beam of light
 
  A)
 
  does not change its path.
  B)
 
  follows the normal to the glass slab.
  C)
 
  bends away from the normal drawn at the point of contact.
  D)
 
  bends closer to the normal drawn at the point of contact.


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Carliemb17

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@Brianna17

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Reply 2 on: Jul 29, 2018
Gracias!


irishcancer18

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

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