9th Class Science Time and Motion Question Bank Motion Formative Subjective Problems

  • question_answer
    The velocity-time graph of a body moving in a straight line is as shown in the figure.
     
     What is the displacement of the body in five seconds?

    Answer:

    Displacement is an algebraic sum of area under velocity time graph. Total area \[=\left( \frac{1}{2}3\times 2 \right)-\left( \frac{1}{2}1\times 1 \right)+(1\times 1)=3m\]


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