Competishun Header

Report Issue

JEE ADVANCE 2011
paper 2
Question
A satellite is moving with a constant speed ' $V$ ' in a circular orbit about the earth. An object of mass ' $m$ ' is ejected from the satellite such that it just escapes from the gravitational pull of the earth. At the time of its ejection, the kinetic energy of the object is
Select the correct option:
A
$\frac{1}{2} \mathrm{mV}^2$
B
$\mathrm{mV}^2$
C
$\frac{3}{2} \mathrm{mV}^2$
D
${2} \mathrm{mV}^2$
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
Solution
Solution Image
Question Tags
JEE Advance
Physics
Easy
Start Preparing for JEE with Competishun
Filters 0
JEE Main
JEE Advance
Easy
Medium
Hard
Showing 18 questions
QJEE Advance 20112011
Let $\alpha$ and $\beta$ be the roots of $x^2-6 x-2=0$, with $\alpha>\beta$. If $a_n=\alpha^n-\beta^n$ for $n \geq 1$, then the...
JEE AdvanceMathematicsEasy
View Solution
QJEE Advance 20082008
Two beams of red and violet colours are made to pass separately through a prism (angle of the prism is...
JEE AdvancePhysicsEasy
View Solution
QJEE Advance 20092009
A sphere is rolling without slipping on a fixed horizontal plane surface. In the figure, A is the point of...
JEE AdvancePhysicsEasy
View Solution
QJEE Advance 20112011
A straight line L through the point $(3,-2)$ is inclined at an angle $60^{\circ}$ to the line $\sqrt{3} \mathrm{x}+\mathrm{y}=1$. If...
JEE AdvanceMathematicsEasy
View Solution
QJEE Advance 20092009
The figure shows the P-V plot of an ideal gas taken through a cycle ABCDA . The part ABC is...
JEE AdvancePhysicsEasy
View Solution
QJEE Advance 20112011
The value of $\int_{\sqrt{\ln 2}}^{\sqrt{\ln 3}} \frac{x \sin x^2}{\sin x^2+\sin \left(\ln 6-x^2\right)} d x$ is
JEE AdvanceMathematicsEasy
View Solution
QJEE Advance 20082008
Let $\mathrm{A}, \mathrm{B}, \mathrm{C}$ be three sets of complex numbers as defined below $$ \begin{aligned} & A=\{z: \operatorname{Im} z \geq...
JEE AdvanceMathematicsEasy
View Solution
QJEE Advance 20112011
Let $\vec{a}=\hat{i}+\hat{j}+\hat{k}, \vec{b}=\hat{i}+\hat{j}+\hat{k}$ and $\vec{c}=\hat{i}-\hat{j}-\hat{k}$ be three vectors. A vector $\vec{v}$ in the plane of $\vec{a}$ and $\vec{b}$, whose projection...
JEE AdvanceMathematicsEasy
View Solution
QJEE Advance 20092009
Under the influence of the coulomb field of charge $+Q$, a charge $-q$ is moving around it in an elliptical...
JEE AdvancePhysicsEasy
View Solution
QJEE Advance2007
A solution of metal ion when treated with KI gives a red precipitate which dissolves in excess KI to give...
JEE AdvanceChemistryEasy
View Solution
QJEE Advance2007
The number of stereoisomers obtained by bromination of trans-2-butene is
JEE AdvanceChemistryEasy
View Solution
QJEE Advance 20112011
Let $P=\{\theta: \sin \theta-\cos \theta=\sqrt{2} \cos \theta\}$ and $Q=\{\theta: \sin \theta+\cos \theta=\sqrt{2} \sin \theta\}$ be two sets. Then
JEE AdvanceMathematicsEasy
View Solution
QJEE Advance2007
Consider a titration of potassium dichromate solution with acidified Mohr's salt solution using diphenylamine as indicator. The number of moles...
JEE AdvanceChemistryEasy
View Solution
QJEE Advance 20082008
Let $\mathrm{A}, \mathrm{B}, \mathrm{C}$ be three sets of complex numbers as defined below $$ \begin{aligned} & A=\{z: \operatorname{Im} z \geq...
JEE AdvanceMathematicsEasy
View Solution
QJEE Advance 20112011
Let $\left(x_0, y_0\right)$ be solution of the following equations $$ \begin{aligned} (2 \mathrm{x})^{\ln 2} & =(3 \mathrm{y})^{\ln 3} \\ 3^{\ln...
JEE AdvanceMathematicsEasy
View Solution
QJEE Advance 20092009
The mass M shown in the figure oscillates in simple harmonic motion with amplitude A . The amplitude of the...
JEE AdvancePhysicsEasy
View Solution
QJEE Advance 20082008
Let $\mathrm{A}, \mathrm{B}, \mathrm{C}$ be three sets of complex numbers as defined below $$ \begin{aligned} & A=\{z: \operatorname{Im} z \geq...
JEE AdvanceMathematicsEasy
View Solution
QJEE Advance2007
A positron is emitted from ${ }^{23} \mathrm{Na}_{11}$. The ratio of the atomic mass and atomic number of the resulting...
JEE AdvanceChemistryEasy
View Solution