1
MHT CET 2024 16th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

In case of system of two-particles of different masses, the centre of mass lies

A
at the mid-point of line joining the two particles.
B
on the line joining the two particles.
C
at one end of the line joining the two particles.
D
on the line perpendicular to the line joining the two particles.
2
MHT CET 2024 15th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

A particle of mass m collides with another stationary particle of mass $M$. The particle $m$ stops just after collision. The coefficient of restitution is

A
$\frac{m}{M}$
B
$\frac{M-m}{M+m}$
C
1
D
$\frac{\mathrm{m}}{\mathrm{M}+\mathrm{m}}$
3
MHT CET 2024 15th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

1000 small balls, each weighing 1 gram, strike one square cm of area per second with a velocity $50 \mathrm{~m} / \mathrm{s}$ in a normal direction and rebound with the same velocity. The value of pressure on the surface will be

A
$10^7 \mathrm{~N} / \mathrm{m}^2$
B
$10^6 \mathrm{~N} / \mathrm{m}^2$
C
$5 \times 10^6 \mathrm{~N} / \mathrm{m}^2$
D
$2 \times 10^6 \mathrm{~N} / \mathrm{m}^2$
4
MHT CET 2024 11th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

A moving body with mass ' $\mathrm{m}_1$ ' strikes a stationary mass ' $\mathrm{m}_2$ '. What should be the ratio $\frac{m_1}{m_2}$ so as to decrease the velocity of first by (1.5) times the velocity after the collision?

A
$1: 25$
B
$1: 5$
C
$5: 1$
D
$25: 1$
MHT CET Subjects
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