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At a metro station, a girl walks up a stationary escalator in time t₁.If she remains stationary on the escalator, then the escalator take her up in time t₂.The time taken by her to walk up on a moving escalator will be
Options
(a) (t₁+t₂)/2
(b) (t₁t₂)/(t₂-t₁)
(c) (t₁t₂)(t₂+t₁)
(d) (t₁-t₂)
Correct Answer:
(t₁t₂)(t₂+t₁)
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
- An inductor 20 mH, a capacitor 50 μF and a resistor 40Ω are connected in series
- The half life of a radioactive isotope ‘X’ is 20 years. It decays to another element Y
- The damping force on an oscillator is directly proportional to the velocity.
- The turn ratio of a transformer is 1:2. An electrolytic dc cell of emf 2 volt is connected
- The process of adding impurities to the pure semiconductor is called
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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