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CENTRE OF MASS

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE-MAIN 2021
A ball of mass 10 kg moving with a velocity $10 \sqrt{3} \mathrm{~ms}^{-1}$ along $X$-axis, hits another ball of mass 20 kg which is at...
JEE Main Physics Easy
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Q JEE MAIN 2021
A ball will a speed of 9 m/s collides with another identical ball at rest. After the collision, the direction of each ball makes an...
JEE Main Physics Easy
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Q JEE MAIN 2021
Two masses $A$ and $B$, each of mass $M$ are fixed together by a massless spring. $A$ force acts on the mass $B$ as shown...
JEE Main Physics Easy
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Q JEE MAIN 2021
Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R.
Assertion A : Body...
JEE Main Physics Hard
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Q JEE MAIN 2021
A circular hole of radius $\left(\frac{a}{2}\right)$ is cut out of a circular disc of radius ' $a$ ' as shown in figure. The centroid of...
JEE Main Physics Medium
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Q JEE MAIN 2022
Three identical spheres each of mass M are placed at the corners of a right angled triangle with mutually perpendicular sides equal to 3 m...
JEE Main Physics Medium
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Q JEE MAIN 2022
The distance of centre of mass from end $A$ of a one dimensional rod (AB) having mass density $\rho=\rho_0\left(1-\frac{x^2}{L^2}\right) \mathrm{kg} / \mathrm{m}$ and length L...
JEE Main Physics Medium
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Q JEE MAIN 2022
A ball of mass 0.15 kg hits the wall with its initial speed of $12 \mathrm{~ms}^{-1}$ and bounces back without changing its initial speed. If...
JEE Main Physics Easy
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Q JEE Main 2022
A balloon has mass of 10 g in air. The air escapes from the balloon at a uniform rate with velocity $4.5 \mathrm{~cm} / \mathrm{s}$....
JEE Main Physics Easy
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Q JEE MAIN 2022
As per the given figure, two blocks each of mass 250g are connected to a spring of spring constant $2 \mathrm{Nm}^{-1}$. If both are given...
JEE Main Physics Medium
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