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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.
Related Questions: - An electric motor runs on DC source of emf 200 V and draws a current of 10 A.
- A scooter is going round a circular road of radius 100 m at a speed of 10m/s
- A source of sound S emitting waves of frequency 100 Hz and an observer
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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
- An electric motor runs on DC source of emf 200 V and draws a current of 10 A.
- A scooter is going round a circular road of radius 100 m at a speed of 10m/s
- A source of sound S emitting waves of frequency 100 Hz and an observer
- A capacitor is charged to 200 volt. It has a charge of 0.1 coulomb.
- A coil of N turns and mean cross-sectional area A is rotating with uniform angular
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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