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High School/JEE/NEET/IPhO Physics | 17-19 Yrs

Kinematics
  1.  
    2. in question it is mentioned that ball reappears at the bottom of window so in equation 2 sir why you added 1 please answer??
    6 years ago by Rajesh kumar yadav

    Post your answer here

  2.  
    3. why is the height of the building calculated with the velocity v1 ?
    8 years ago by Sharath Chandar Devendran
    Ans 1 ->
    As it is said that the ball was dropped thus its initial vel. =0 hence use 3rd eqn. Of motion and solve for it by putting a=g s=H u=0 and v=v1 in the eqn.
    8 years ago by Pranjal Namdeo

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  3.  
    4. i think question has to be more clear for 0.1 sec part it states that (ball takes 0.1 sec to fall and strikes ground) in this line it is not mentioned from where the ball has fallen from top or from window edges
    9 years ago by akanksh

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  4.  
    5. why is it wrong if we write displacement to be 1 meter n use kinematic equations to solve?
    9 years ago by payal singhal

    Post your answer here

  5.  
    6. Hello sir, pls Give me some tips to how crack IITJEE.
    9 years ago by Sanjay Soni

    Post your answer here

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