1
TG EAPCET 2024 (Online) 9th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
The sphere $A$ of mass $m$ moving with a constant velocity hits another sphere $B$ of mass $2 m$ at rest. If the coefficient of restitution is 0.4 the ratio of the velocities of the spheres $A$ and $B$ after collision is
A
$3: 1$
B
$1: 5$
C
$1: 7$
D
$4: 1$
2
TG EAPCET 2024 (Online) 9th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
Four identical particles each of mass $m$ are kept at the four corners of a square of side $a$. If one of the particles is removed, the shift in the position of the centre of mass is
A
$\sqrt{2 a}$
B
$\frac{3 a}{\sqrt{2}}$
C
$\frac{a}{\sqrt{2}}$
D
$\frac{a}{3 \sqrt{2}}$
3
TS EAMCET 2023 (Online) 12th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
A system consists of two particles of masses $m_1$ and $m_2$. If the particle of mass $m_1$ is moved towards the centre of mass through a distance $d$, then the distance the second particle should be moved, so as to keep the centre of mass at the same position is
A
$-\frac{m_2}{m_1} d$
B
$\frac{m_2}{m_1+m_2} d$
C
$-\frac{m_1}{m_2} d$
D
$\frac{m_1}{m_2} d$
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