Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • Medical
  • A uniform rod of length '' and mass ' <img alt="\1 ~\mathrm{kg}" src="https:

A uniform rod of length '10 \mathrm{~cm}' and mass ' \1 ~\mathrm{kg}' is free to rotate in a vertical plane about one of its end. The rod is kept in horizontal position and then released, then its angular acceleration just after the release is given by _____

Option: 1

150 ~\mathrm{rad} / \mathrm{s}^2


Option: 2

50~\mathrm{rad} / \mathrm{s}^2


Option: 3

100~\mathrm{rad} / \mathrm{s}^2


Option: 4

200~\mathrm{rad} / \mathrm{s}^2


Answers (1)

best_answer

\begin{aligned} & \tau=m g\left(\frac{l}{2}\right) \\ & \alpha\left(\frac{1}{3} m l^{{2}}\right)=\frac{m g l}{2} \\ & \alpha=\frac{3 g}{2 l}=\frac{3 \times 10}{2 \times 0.1}=150 ~\mathrm{rad} / \mathrm{s}^2 \end{aligned}

Posted by

Sanket Gandhi

View full answer

NEET 2024 Most scoring concepts

    Just Study 32% of the NEET syllabus and Score up to 100% marks

Similar Questions

Trending Articles/News

anam-khan

CBI arrests Latur coaching centre founder in NEET-UG paper leak case; exam questions found on phone
anam-khan

NEET UG ‘Paper Leak’: CBI conducts searches at Renukai Chemistry Classes in Latur
anam-khan

Abolish NEET, restore state CET; Karnataka urges Centre after paper leak row

Latest Question