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NEET 2008
Exam
NEET
Year
2008
Subject
Physics
Chapter
Motion in One Dimension

NEET 2008 · Physics · Motion in One Dimension

A particle moves in a straight line with a constant acceleration....

A particle moves in a straight line with a constant acceleration. It changes its velocity from 10 ms−110 \mathrm{~ms}^{-1} to 20 ms−120 \mathrm{~ms}^{-1} while passing through a distance 135 m135 \mathrm{~m} in t second. The value of tt is

Options

  1. A9
  2. B10
  3. C1.8
  4. D12

Correct answer

A. 9

Step-by-step solution

a=Vf2−Vi22S,t=Vf−Viaa=\frac{V_f^2-V_i^2}{2 S}, t=\frac{V_f-V_i}{a} or S=12(u+v)tS=\frac{1}{2}(u+v) t
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