| ā¦ | 
| āØ |
A wheel is rotating at 900 rpm about its axis.When the power is cut-off it comes to rest in 1 min.The angular retardation in rad sā»Ā² is
Options
(a) šĀ / 2
(b) šĀ / 4
(c) šĀ / 6
(d) šĀ / 8
Correct Answer:
šĀ / 2
Explanation:
w = 900 x 2Ļ/60 = 30Ļ
Angular Retardation = [final velocity – initial velocity] / time
= (30Ļ – 0)/60 = Ļ/2
Therefore, the angular retardation is Ļ/2.
Related Questions: - An unpolarised beam of intensity I is incident on a pair of nicols making an angle
- The barrier potential of a p-n junction depends on
- Which of the following quantities has units but not dimensions
- The potential differences across the resistance, capacitance and inductance
- Photoelectric emision occurs only when the incident light has more than a certain minimum
Topics: Motion in Plane
(93)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- An unpolarised beam of intensity I is incident on a pair of nicols making an angle
- The barrier potential of a p-n junction depends on
- Which of the following quantities has units but not dimensions
- The potential differences across the resistance, capacitance and inductance
- Photoelectric emision occurs only when the incident light has more than a certain minimum
Topics: Motion in Plane (93)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply