269502 A stationary wheel starts rotating about its own axis at an angular acceleration\(5.5 \mathrm{rad} / \mathrm{s}^{2} \cdot\) To acquire an angular velocity 420 revolutions per minute, the number of rotations made by the wheel is

269503 A circular disc is rotating about its own axis at constant angular acceleration. If its angular velocity increases from\(210 \mathrm{rpm}\) to \(420 \mathrm{rpm}\) during 21 rotations then the angular acceleration of disc is

269504 A circular disc is rotating about its own axis at uniform angular velocity\(\omega\). The disc is subjected to uniform angular retardation by which its angular velocity is decreased to \(\omega / 2\) during 120 rotations. The number of rotations further made by it before coming to rest is

269505 Average torque on a projectile of mass \(m\), initial speed \(u\) and angle of projection \(\theta\) between initial and final positions \(P\) and \(Q\), about the point of projection is :

269502 A stationary wheel starts rotating about its own axis at an angular acceleration\(5.5 \mathrm{rad} / \mathrm{s}^{2} \cdot\) To acquire an angular velocity 420 revolutions per minute, the number of rotations made by the wheel is

269503 A circular disc is rotating about its own axis at constant angular acceleration. If its angular velocity increases from\(210 \mathrm{rpm}\) to \(420 \mathrm{rpm}\) during 21 rotations then the angular acceleration of disc is

269504 A circular disc is rotating about its own axis at uniform angular velocity\(\omega\). The disc is subjected to uniform angular retardation by which its angular velocity is decreased to \(\omega / 2\) during 120 rotations. The number of rotations further made by it before coming to rest is

269505 Average torque on a projectile of mass \(m\), initial speed \(u\) and angle of projection \(\theta\) between initial and final positions \(P\) and \(Q\), about the point of projection is :

269502 A stationary wheel starts rotating about its own axis at an angular acceleration\(5.5 \mathrm{rad} / \mathrm{s}^{2} \cdot\) To acquire an angular velocity 420 revolutions per minute, the number of rotations made by the wheel is

269503 A circular disc is rotating about its own axis at constant angular acceleration. If its angular velocity increases from\(210 \mathrm{rpm}\) to \(420 \mathrm{rpm}\) during 21 rotations then the angular acceleration of disc is

269504 A circular disc is rotating about its own axis at uniform angular velocity\(\omega\). The disc is subjected to uniform angular retardation by which its angular velocity is decreased to \(\omega / 2\) during 120 rotations. The number of rotations further made by it before coming to rest is

269505 Average torque on a projectile of mass \(m\), initial speed \(u\) and angle of projection \(\theta\) between initial and final positions \(P\) and \(Q\), about the point of projection is :

269502 A stationary wheel starts rotating about its own axis at an angular acceleration\(5.5 \mathrm{rad} / \mathrm{s}^{2} \cdot\) To acquire an angular velocity 420 revolutions per minute, the number of rotations made by the wheel is

269503 A circular disc is rotating about its own axis at constant angular acceleration. If its angular velocity increases from\(210 \mathrm{rpm}\) to \(420 \mathrm{rpm}\) during 21 rotations then the angular acceleration of disc is

269504 A circular disc is rotating about its own axis at uniform angular velocity\(\omega\). The disc is subjected to uniform angular retardation by which its angular velocity is decreased to \(\omega / 2\) during 120 rotations. The number of rotations further made by it before coming to rest is

269505 Average torque on a projectile of mass \(m\), initial speed \(u\) and angle of projection \(\theta\) between initial and final positions \(P\) and \(Q\), about the point of projection is :