1
COMEDK 2025 Evening Shift
MCQ (Single Correct Answer)
+1
-0
Select the correct statement from the following: The position of the centre of mass of a system :
A
Remains the same in any translatory motion
B
Depend on the choice of coordinates
C
Does not depend on the shape and size of the system
D
Depends on the distribution of its mass.
2
COMEDK 2025 Evening Shift
MCQ (Single Correct Answer)
+1
-0
The velocity - mass graph of body with constant linear momentum is represented by the graph:
A
COMEDK 2025 Evening Shift Physics - Center of Mass and Collision Question 1 English Option 1
B
COMEDK 2025 Evening Shift Physics - Center of Mass and Collision Question 1 English Option 2
C
COMEDK 2025 Evening Shift Physics - Center of Mass and Collision Question 1 English Option 3
D
COMEDK 2025 Evening Shift Physics - Center of Mass and Collision Question 1 English Option 4
3
COMEDK 2025 Afternoon Shift
MCQ (Single Correct Answer)
+1
-0
The separation between C and O atoms in CO is 0.12 nm . The distance of C atom from the centre of mass is
A
0.1 nm
B
0.05 nm
C
0.03 nm
D
0.07 nm
4
COMEDK 2025 Morning Shift
MCQ (Single Correct Answer)
+1
-0
A bomb of mass 20 kg at rest explodes into two pieces of masses 12 kg and 8 kg . If the velocity of 8 kg mass is $6 \mathrm{~ms}^{-1}$, then the kinetic energy of the other mass is:
A
144 J
B
64 J
C
86 J
D
96 J
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