Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • Medical
  • When, a stone fixed to length string at its end. which makes 30 Revolutions with Hori

When, a stone fixed to 200 \mathrm{~cm} length string at its end. which makes 30 Revolutions with Horizontal circle in every minutes. find the magnitude of acceleration of stone. (take \pi^2=10)

Option: 1

10 \mathrm{~m} / \mathrm{sec}^2 \\


Option: 2

20 \mathrm{~m} / \mathrm{sec}^2 \\


Option: 3

40 \mathrm{~m} / \mathrm{sec}^2 \\


Option: 4

Zero


Answers (1)

best_answer

Radius=200 \mathrm{~cm}=2 \mathrm{~m}


Angular frequency (\omega)=\frac{2 \pi \times 3}{6 \phi} rad/sec


=\pi \mathrm{rad} / \mathrm{sec}


a=\omega^2 R =\pi^2 \times 2 \\


=10 \times 2 \\
=20 \text { m/sec }^{2}                  \quad\left(\pi^2 \geq 10\right)

 

Posted by

rishi.raj

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

'Years of hard work wasted': NEET aspirants, parents and teacher react to exam cancellation
anam-khan

CBI registers FIR in alleged NEET UG 2026 paper leak case after NTA cancels examination
anam-khan

Telangana doctors’ group, FAIMA condemn NEET UG 2026 paper leak, call it ‘complete systemic failure’

Latest Question