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NEET 2023
Exam
NEET
Year
2023
Subject
Physics
Chapter
Motion in Two Dimensions

NEET 2023 · Physics · Motion in Two Dimensions

A ball is projected from point A with velocity 20 ~m ~s^ -1 at an...

A ball is projected from point AA with velocity 20 m s−120 \mathrm{~m} \mathrm{~s}^{-1} at an angle 60∘60^{\circ} to the horizontal direction. At the highest point BB of the path (as shown in figure), the velocity v m s−1v \mathrm{~m} \mathrm{~s}^{-1} of the ball will be A ball is projected from point A with velocity 20 ~m ~s^ -1 at an angle 60^ to the horizontal direction. At the highest

Options

  1. AZero
  2. B1010
  3. C2020
  4. D10310 \sqrt{3}

Correct answer

B. 1010

Step-by-step solution

At the highest point of a projectile, vertical component of velocity becomes zero. Therefore at point B,v=20cos⁡60∘=20×12=10 m/sB, v=20 \cos 60^{\circ}=20 \times \frac{1}{2}=10 \mathrm{~m} / \mathrm{s}
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