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A solid body rotates about a stationary axis, so that its angular velocity depends on the rotation angle ? as ?= ?￢ﾂﾒ – k ?, where ?￢ﾂﾒ and k are positive constants.At the moment t=0, ?=0, the time dependence of rotation angle is
Options
(a) k?￢ﾂﾒe-ᵏᵗ
(b) (?￢ﾂﾒ/k)e-ᵏᵗ
(c) (?￢ﾂﾒ/k)(1-e-ᵏᵗ)
(d) (?￢ﾂﾒ/k)(1-e-ᵏᵗ)
Correct Answer:
(?￢ﾂﾒ/k)(1-e-ᵏᵗ)
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Laws of Motion
(103)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A black body is heated from 27° C to 127° C. The ratio of their energies of radiations
- An object moving with a speed of 6.25 m/s, is deaccelerated at a rate given by
- The wheel of a car is rotating at the rate of 1200 rev/min. On pressing
- A force of 10N is applied on a body for 3 sec and the corresponding displacement 6 m.
- The self induced e.m.f. in a 0.1 H coil when the current in it is changing
Topics: Laws of Motion (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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