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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 beams of light having intensities I and 4I interfere to produce a fringe pattern
- The threshold wavelength for photoelectric effect of a metal is 6500 Å. The work function
- The maximum and minimum intensities of two sources is 4:1. The ratio of amplitude is
- The capacitance of two concentric spherical shells of radii R₁ and R₂ (R₂>R₁) is
- The energy of a hydrogen atom in the ground state is – 13.6 eV. The energy of a He⁺ ion
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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