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3.2 , motion in plane — Physics STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 SciencePhysics3.2 , motion in plane1 Mark
MCQ
The figure shows a velocity-time graph of a particle moving along a straight line  If the particle starts from the position $x_0=-15\,m$ , then its position at $t=2\,s$ will be   ........ $m$
  • ✓
    $-5$
  • B
    $5 $
  • C
    $10$
  • D
    $15 $
✓

Answer

Correct option: A.
$-5$
a
displacement $=$ Area convered by $v-t$ graph on time axis

$x-x_{0}=\frac{1}{2} \times 2 \times 10$

$x-(-15)=10 \Rightarrow x=-5 m$

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