Section 6.3 Relative Velocity

Practice Test
      
  1.You are riding in a boat that is traveling 15.0 m/s in still water. You move from the bow to the stern at 3.0 m/s. What is your speed relative to the water?  
  a.   12.0 m/s relative to the water  
  b.   9.0 m/s relative to the water  
  c.   18.0 m/s relative to the water  
  d.   15.3 m/s relative to the water  
  Hint    
      
  2.Which of the following situations is physically the most like that depicted in Figure 6-9a?  
  a.   You jump up in an elevator that is going down.  
  b.   You walk toward the rear of a forward-moving train.  
  c.   You slide to the right on the seat of a forward-moving bus.  
  d.   You step upwards on an upward-moving escalator.  
  Hint    

 
   
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