1
COMEDK 2022
MCQ (Single Correct Answer)
+1
-0

From a circular disc of radius R, a square is cut out with a radius as its diagonal. The centre of mass of remaining portion is at a distance (from the centre)

A
$${R \over {(4\pi - 2)}}$$
B
$${R \over {2\pi }}$$
C
$${R \over {\pi - 2}}$$
D
$${R \over {2\pi - 2}}$$
2
COMEDK 2021
MCQ (Single Correct Answer)
+1
-0

Which of the following quantity represents the dimensions of momentum?

A
Impulse
B
Pressure
C
Viscosity
D
Power
3
COMEDK 2021
MCQ (Single Correct Answer)
+1
-0

Centre of mass of the given system of particles will be at

COMEDK 2021 Physics - Center of Mass and Collision Question 11 English

A
OA
B
OB
C
OC
D
OD
4
COMEDK 2021
MCQ (Single Correct Answer)
+1
-0

When two bodies collide with each other such that their kinetic energy remains constant. Their collision is said to be

A
elasitc
B
inelastic
C
Both (a) and (b)
D
None of the above
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