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

Three identical metal balls each of radius ' $r$ ' are placed such that an equilateral triangle is formed when centres of three ball are joined. The centre of mass of the system is located at

A
centre of one of the balls.
B
point of intersection of medians.
C
line joining centres of any two balls.
D
on the circumference of any one of the balls.
2
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.
3
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
$\frac{\mathrm{m}}{\mathrm{M}+\mathrm{m}}$
4
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
$2 \times 10^6 \mathrm{~N} / \mathrm{m}^2$
MHT CET Subjects
EXAM MAP