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NEET 2005
Exam
NEET
Year
2005
Subject
Physics
Chapter
Motion in One Dimension

NEET 2005 · Physics · Motion in One Dimension

A ball is thrown vertically. It has a speed of 10 ~m / sec when it...

A ball is thrown vertically. It has a speed of 10 m/sec10 \mathrm{~m} / \mathrm{sec} when it has reached one half of its maximum height. How high does the ball rise? Take g=10 m/s2\mathrm{g}=10 \mathrm{~m} / \mathrm{s}^2.

Options

  1. A10 m10 \mathrm{~m}
  2. B5 m5 \mathrm{~m}
  3. C15 m15 \mathrm{~m}
  4. D20 m20 \mathrm{~m}

Correct answer

A. 10 m10 \mathrm{~m}

Step-by-step solution

Using equation of motion V²=u²-2 g h After reading max height velocity because zero. 0=(10)2−2×10×12⇒h=20020=10 m\begin{aligned} 0 & =(10)^2-2 \times 10 \times \frac{1}{2} \\ \Rightarrow \quad h & =\frac{200}{20}=10 \mathrm{~m}\end{aligned}
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