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From Karnataka Open Educational Resources
4 bytes removed ,  12:32, 24 December 2012
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to be positive and in the same direction as then velocity vector.  
 
to be positive and in the same direction as then velocity vector.  
 
What happens when you pedal faster on a bicycle?
 
What happens when you pedal faster on a bicycle?
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Which
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Which one of these tables represent positive acceleration?
one of these tables represent positive acceleration?
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f an object is moving in a line and its speed is decreasing,
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If an object is moving in a line and its speed is decreasing,
 
the change in velocity is negative. The acceleration in this case is
 
the change in velocity is negative. The acceleration in this case is
 
reducing the velocity and is considered to be negative and in the
 
reducing the velocity and is considered to be negative and in the
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1. In everyday life, you come
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1. In everyday life, you come across a range of motions in which
across a range of motions in which
      
   
 
   
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2. Starting from a stationary
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2. Starting from a stationary position, Rahul pedals his bicycle to attain a velocity of 6 m/s in
position, Rahul pedals his bicycle to attain a velocity of 6 m/s in
   
30 seconds. Then he applies the brakes in such a way that the
 
30 seconds. Then he applies the brakes in such a way that the
 
velocity of the bicycle comes down to 4 m/s in the next 5 seconds.
 
velocity of the bicycle comes down to 4 m/s in the next 5 seconds.
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