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A car moves from X to Y with a uniform speed v(u) and returns to Y with a uniform speed v(d). The average speed for this round trip is
Options
(a) √v(u)v(d)
(b) v(d)v(u)/v(d)+v(u)
(c) v(u)+v(d)/2
(d) 2v(d)v(u)/v(d)+v(u)
Correct Answer:
2v(d)v(u)/v(d)+v(u)
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Motion in Straight Line
(93)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- In P-N junction having depletion layer of thickness 10⁻⁶ m, the potential across
- A bullet emerges from a barrel of length 1.2 m with a speed of 640 ms⁻¹.
- A system consists of three masses m₁, m₂ and m₃ connected by a string passing
- The flux linked with a circuit is given by φ=t³+3t-7. The graph between time
- Force required to move a mass of 1kg at rest on a horizontal rough plane
Topics: Motion in Straight Line (93)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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