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Motion in A Straight Line question

2023 · Q145
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Motion in A Straight Line question

2023 · Q145

NEETPhysicsMotion in A Straight LineMCQ+4 / −1

A vehicle travels half the distance with speed vvv and the remaining distance with speed 2v2 v2v. Its average speed is :

  1. A
    2v3\frac{2 v}{3}32v​
  2. B
    4v3\frac{4 v}{3}34v​
  3. C
    3v4\frac{3 v}{4}43v​
  4. D
    v3\frac{v}{3}3v​
View written solutionFree

Correct answer: B

NEET 2023 Physics - Motion in a Straight Line Question 6 English Explanation

$$V_{\text {avg }}=\frac{2 v_{1} v_{2}}{v_{1}+v_{2}}=\frac{2(v)(2 v)}{v+2 v}=\frac{4 v^{2}}{3 v}=\frac{4 v}{3}$$

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