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Motion in A Plane question

2023 · Q146
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Motion in A Plane question

2023 · Q146

NEETPhysicsMotion in A PlaneMCQ+4 / −1

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

NEET 2023 Manipur Physics - Motion in a Plane Question 3 English

  1. A
    20
  2. B
    10310 \sqrt{3}103​
  3. C
    Zero
  4. D
    10
View written solutionFree

Correct answer: D

NEET 2023 Manipur Physics - Motion in a Plane Question 3 English Explanation

At the top most point of its trajectory particle will have only horizontal component of velocity

$$\begin{aligned} \& \mathrm{V} \text { at top }=v \cos \theta \\ \& =20 \times \frac{1}{2} \\ \& =10 \mathrm{~m} / \mathrm{s} \end{aligned}$$

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