COMEDK 2025 Morning Shift | Center of Mass and Collision Question 5 | Physics

From a circular disc of radius 2 R , a smaller circular disc is cut with radius of the larger disc as its diameter. The centre of the hole is at a distance of $R$ from the centre of the original disc. The distance of the centre of mass of the remaining portion from the centre is:

$\frac{R}{3}$

$\frac{R}{4}$

$\frac{R}{6}$

$\frac{R}{2}$

COMEDK 2024 Morning Shift

MCQ (Single Correct Answer)

-0

Which of the following graph shows the variation of velocity with mass for the constant momentum?

COMEDK 2024 Morning Shift Physics - Center of Mass and Collision Question 6 English

Fig 3

Fig 1

Fig 2

Fig 4

COMEDK 2024 Morning Shift

MCQ (Single Correct Answer)

-0

Which of the following statement is true regarding the centre of mass of a system?

The centre of mass depends on the size and shape but does not depend on the distribution of mass of the body.

The centre of mass depends on the coordinate system.

The centre of mass of a system depends on the size and shape of the body but independent of the co-ordinate system

The centre of mass of a body always lies inside the body.

COMEDK 2023 Morning Shift

MCQ (Single Correct Answer)

-0

In the figure, pendulum bob on left side is pulled a side to a height $$h$$ from its initial position. After it is released it collides with the right pendulum bob at rest, which is of same mass. After the collision, the two bobs stick together and rise to a height

COMEDK 2023 Morning Shift Physics - Center of Mass and Collision Question 10 English

$$\frac{3 h}{4}$$

$$\frac{2 h}{3}$$

$$\frac{h}{2}$$

$$\frac{h}{4}$$

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