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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
- Two metal wires of identical dimensions are connected in series. If σ₁ and σ₂ are
- In case of linearly polarised light, the magnitude of the electric field vector
- One solid sphere A and another hollow sphere B are of same mass and same outer radii.
- If ∆U and ∆W represent the increase in internal energy and work done by the system
- If radius of earth’s orbit is made 1/4, the duration of a year will become
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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