263912 A metal ball of mass 2 kg moving with a velocity of \(36 \mathrm{~km} / \mathrm{h}\) has a head-on collision with a stationary ball of mass \(3 \mathbf{k g}\). If after the collision, the two balls move together, the loss in kinetic energy due to collision is:

263909 From the top of tower, a particle is thrown vertically downwards with a velocity of \(10 \mathrm{~m} / \mathrm{s}\). The ratio of the distances covered by it in the \(1^{\text {st }} 2 \mathrm{sec}\) and next 3 sec of the motion is : (Take \(\mathrm{g}=10 \mathrm{~m} / \mathrm{s}^2\) ):

263910 Starting from rest, a particle rotates in a circle of radius \(\mathrm{R}=\sqrt{2} \mathrm{~m}\) with an angular accleration \(\mathrm{a}=\{\pi / 4\} \mathrm{rad} / \mathrm{s}^2\). The magnitude of average velocity of the particle over the time it rotates quarter circle is:

263911 An air bubble in a glass sphere of radius 10 cm and R.I = 1.5 is 5 cm away from centre. The apparent position of the bubble when seen from the farthest side of surface of sphere is:

263912 A metal ball of mass 2 kg moving with a velocity of \(36 \mathrm{~km} / \mathrm{h}\) has a head-on collision with a stationary ball of mass \(3 \mathbf{k g}\). If after the collision, the two balls move together, the loss in kinetic energy due to collision is:

263909 From the top of tower, a particle is thrown vertically downwards with a velocity of \(10 \mathrm{~m} / \mathrm{s}\). The ratio of the distances covered by it in the \(1^{\text {st }} 2 \mathrm{sec}\) and next 3 sec of the motion is : (Take \(\mathrm{g}=10 \mathrm{~m} / \mathrm{s}^2\) ):

263910 Starting from rest, a particle rotates in a circle of radius \(\mathrm{R}=\sqrt{2} \mathrm{~m}\) with an angular accleration \(\mathrm{a}=\{\pi / 4\} \mathrm{rad} / \mathrm{s}^2\). The magnitude of average velocity of the particle over the time it rotates quarter circle is:

263911 An air bubble in a glass sphere of radius 10 cm and R.I = 1.5 is 5 cm away from centre. The apparent position of the bubble when seen from the farthest side of surface of sphere is:

263912 A metal ball of mass 2 kg moving with a velocity of \(36 \mathrm{~km} / \mathrm{h}\) has a head-on collision with a stationary ball of mass \(3 \mathbf{k g}\). If after the collision, the two balls move together, the loss in kinetic energy due to collision is:

263909 From the top of tower, a particle is thrown vertically downwards with a velocity of \(10 \mathrm{~m} / \mathrm{s}\). The ratio of the distances covered by it in the \(1^{\text {st }} 2 \mathrm{sec}\) and next 3 sec of the motion is : (Take \(\mathrm{g}=10 \mathrm{~m} / \mathrm{s}^2\) ):

263910 Starting from rest, a particle rotates in a circle of radius \(\mathrm{R}=\sqrt{2} \mathrm{~m}\) with an angular accleration \(\mathrm{a}=\{\pi / 4\} \mathrm{rad} / \mathrm{s}^2\). The magnitude of average velocity of the particle over the time it rotates quarter circle is:

263911 An air bubble in a glass sphere of radius 10 cm and R.I = 1.5 is 5 cm away from centre. The apparent position of the bubble when seen from the farthest side of surface of sphere is:

263912 A metal ball of mass 2 kg moving with a velocity of \(36 \mathrm{~km} / \mathrm{h}\) has a head-on collision with a stationary ball of mass \(3 \mathbf{k g}\). If after the collision, the two balls move together, the loss in kinetic energy due to collision is:

263909 From the top of tower, a particle is thrown vertically downwards with a velocity of \(10 \mathrm{~m} / \mathrm{s}\). The ratio of the distances covered by it in the \(1^{\text {st }} 2 \mathrm{sec}\) and next 3 sec of the motion is : (Take \(\mathrm{g}=10 \mathrm{~m} / \mathrm{s}^2\) ):

263910 Starting from rest, a particle rotates in a circle of radius \(\mathrm{R}=\sqrt{2} \mathrm{~m}\) with an angular accleration \(\mathrm{a}=\{\pi / 4\} \mathrm{rad} / \mathrm{s}^2\). The magnitude of average velocity of the particle over the time it rotates quarter circle is:

263911 An air bubble in a glass sphere of radius 10 cm and R.I = 1.5 is 5 cm away from centre. The apparent position of the bubble when seen from the farthest side of surface of sphere is: