AI Mentor

Check Your IQ

Free Expert Demo

Try Test

Courses

Dropper NEET Course Dropper JEE Course Class - 12 NEET Course Class - 12 JEE Course Class - 11 NEET Course Class - 11 JEE Course Class - 10 Foundation NEET Course Class - 10 Foundation JEE Course Class - 10 CBSE Course Class - 9 Foundation NEET Course Class - 9 Foundation JEE Course Class -9 CBSE Course Class - 8 CBSE Course Class - 7 CBSE Course Class - 6 CBSE Course

Offline Centres

A satellite is going round a planet in circular orbit of radius ‘r’. Its kinetic energy is made double instantaneously, the direction of motion at that instant being unaltered. Then

see full answer

Your Exam Success, Personally Taken Care Of

1:1 expert mentors customize learning to your strength and weaknesses – so you score higher in school , IIT JEE and NEET entrance exams.

An Intiative by Sri Chaitanya

The satellite will leave the gravitational field of the planet.

The satellite will describe elliptical motion with minimum and maximum distances from the planet being r and $r \sqrt{2}$

The angular momentum of the satellite about the planet is increased by a factor $\sqrt{2}$

The satellite will describe circular orbit of radius $r \sqrt{2}$

answer is C, D.

(Unlock A.I Detailed Solution for FREE)

Best Courses for You

JEE

NEET

Foundation JEE

Foundation NEET

CBSE

Detailed Solution

$T . E_{i} = - \frac{G M m}{2 r} = - \frac{G M m}{r} + \frac{1}{2} m {(\sqrt{\frac{G M}{r}})}^{2} T . E_{f} = - \frac{G M m}{r} + 2 \times \frac{1}{2} m \frac{G M}{r} = 0$

Hence parabolic escape
Hence (D) is correct option
Also $L_{1} = m v r, L_{f} = m (\sqrt{2} v) r = \sqrt{2} L_{i}$
Hence (C) is also correct option

Watch 3-min video & get full concept clarity

courses

No courses found

Result Producing online coaching for JEE/NEET of south India

Largest All India Test Series for JEE/NEET

Best Online Course for IIT JEE

Best Online Course for NEET

Best Online Course for CBSE

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Get Expert Academic Guidance – Connect with a Counselor Today!