Join the Most Relevant JEE Main 2025 Test Series & get 99+ percentile! Join Now
Search any question & find its solution
Question: Answered & Verified by Expert
Two bodies of mass $10 \mathrm{~kg}$ and $5 \mathrm{~kg}$ moving in concentric orbits of radii $R$ and $r$ such that their periods are the same. Then the ratio between their centripetal acceleration is
PhysicsMotion In Two DimensionsJEE Main
Options:
  • A $R / r$
  • B $r / R$
  • C $R^2 / r^2$
  • D $r^2 / R^2$
Solution:
2629 Upvotes Verified Answer
The correct answer is: $R / r$
$\frac{a_R}{a_r}=\frac{\omega_R^2 \times R}{\omega_r^2 \times r}=\frac{T_r^2}{T_R^2} \times \frac{R}{r}=\frac{R}{r}$
$\left[\right.$ As $\left.T_r=T_R\right]$

Looking for more such questions to practice?

Download the MARKS App - The ultimate prep app for IIT JEE & NEET with chapter-wise PYQs, revision notes, formula sheets, custom tests & much more.