Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • Engineering
  • Two satellites of masses m and 3m revolve around the earth in circular orbits of radii r & 3 r respectively. The ratio of orbital speeds of the satellites respectively is<div class='qna-opt

Two satellites of masses m and 3m revolve around the earth in circular orbits of radii r & 3 r respectively. The ratio of orbital speeds of the satellites respectively is

Option: 1

3:1


Option: 2

1:1


Option: 3

\sqrt{3}: 1


Option: 4

9:1


Answers (1)

best_answer

\mathrm{v}=\sqrt{\frac{\mathrm{GM}}{\mathrm{r}}} \Rightarrow \mathrm{v} \times \frac{1}{\sqrt{\mathrm{r}}}     ;M= mass of earth, r = radius of earth 
\frac{\mathrm{v}_1}{\mathrm{v}_2}=\sqrt{\frac{\mathrm{r}_2}{\mathrm{r}_1}}=\sqrt{\frac{3 \mathrm{r}}{\mathrm{r}}}=\sqrt{3}

Posted by

himanshu.meshram

View full answer

JEE Main high-scoring chapters and topics

Study 40% syllabus and score up to 100% marks in JEE

Similar Questions

Trending Articles/News

anam-khan

JEE Main 2025: BTech ECE cut-offs for female candidates go up at top NITs
anam-khan

JEE Main 2025 Session 2 City Slip (OUT) Live: Admit card likely on March 29 at jeemain.nta.nic.in; cut-offs
anam-khan

AESL expands Aakash Digital 2.0 to offer AI-powered coaching for NEET, JEE, Olympiads

Latest Question