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Question

As shown in the figure a projectile is fired with a horizontal velocity of 330 m/s from the top of a cliff 80 m high. How far from the foot of the cliff will it strike? 


  1. 660 m
  2. 1320 m
  3. 330 m 
  4. 2640 m 


Solution

The correct option is B 1320 m
Time taken by the projectile to reach ground
T=2Hg=2×8010    
T=4 s
  Horizontal distance covered by the projectile 
 x=ux×T where ux is the horizontal velocity of projection.
 x=330×4=1320 m

 

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