Physics

10th -

12thgrade

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CHOOSE the Kinematic EQ of Motion

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40 questions

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  • 1. Multiple Choice
    20 seconds
    1 pt

    Given:  
     vi=10ms        vf=15ms       a=10 ms2v_i=10\frac{m}{s}\ \ \ \ \ldots\ \ \ \ v_f=15\frac{m}{s}\ \ \ \ldots\ \ \ \ a=10\ \frac{m}{s^2}  
    Which equation would you choose to solve for time?

     vf=vi+atv_f=v_i+at  

     d=  (vi+vf)2td=\ \ \frac{(v_i+v_f)}{2}t  

     d=vit+12at2d=v_it+\frac{1}{2}at^2  

     vf2=vi2+2adv_f^2=v_i^2+2ad  

    Cannot be done in a single step

  • 2. Multiple Choice
    20 seconds
    1 pt

    Given:  
     vi=0ms     t=8.5 s    a=1.6ms2v_i=0\frac{m}{s}\ \ \ldots\ \ \ t=8.5\ s\ \ \ldots\ \ a=1.6\frac{m}{s^2}  
    Which equation would you choose to solve for Final Velocity?

     vf=vi+atv_f=v_i+at  

     d=  (vi+vf)2td=\ \ \frac{(v_i+v_f)}{2}t  

     d=vit+12at2d=v_it+\frac{1}{2}at^2  

     vf2=vi2+2adv_f^2=v_i^2+2ad  

    Cannot be done in a single step

  • 3. Multiple Choice
    20 seconds
    1 pt

    Given:
     vi=0ms       vf=15ms     a=9.8ms2v_i=0\frac{m}{s}\ \ \ \ldots\ \ \ \ v_f=-15\frac{m}{s}\ \ \cdots\ \ \ a=-9.8\frac{m}{s^2} 
    Which equation would you choose to solve for displacement (distance)?

    vf=vi+atv_f=v_i+at

    d= (vi+vf)2td=\ \ \frac{(v_i+v_f)}{2}t

    d=vit+12at2d=v_it+\frac{1}{2}at^2

    vf2=vi2+2adv_f^2=v_i^2+2ad

    Can't be done in a single step

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