268705 A tennis ball has a mass of \(56.7 \mathrm{gm}\) and is served by a player with a speed of \(180 \mathrm{kmph}\). The work done in serving the ball is nearly

268706 A body of mass \(2 \mathrm{~kg}\) is projected vertically up with velocity \(5 \mathrm{~ms}^{-1}\). The work done on the body by gravitational force before it is brought to rest momentarily is

268750 A body of mass\(5 \mathbf{~ k g}\) is moved up over \(10 \mathrm{~m}\) along the line of greatest slope of a smooth inclined plane of inclination \(30^{\circ}\) with the horizontal. If \(g=10 \mathrm{~m} / \mathbf{s}^{2}\), the work done will be

268751 A particle of mass \(0.5 \mathrm{~kg}\) is displaced from position \(\overrightarrow{r_{1}}(2,3,1)\) to \(\overrightarrow{r_{2}}(4,3,2)\) by applying a force of magnitude \(30 \mathrm{~N}\) which is acting along \(\exists i+\hat{j}+\hat{k} \boxminus\). The work done by the force is

268752 Kinetic energy of a particle moving in a straight line varies with time \(\mathbf{t}\) as \(K=4 t^{2}\). The force acting on the particle

268705 A tennis ball has a mass of \(56.7 \mathrm{gm}\) and is served by a player with a speed of \(180 \mathrm{kmph}\). The work done in serving the ball is nearly

268706 A body of mass \(2 \mathrm{~kg}\) is projected vertically up with velocity \(5 \mathrm{~ms}^{-1}\). The work done on the body by gravitational force before it is brought to rest momentarily is

268750 A body of mass\(5 \mathbf{~ k g}\) is moved up over \(10 \mathrm{~m}\) along the line of greatest slope of a smooth inclined plane of inclination \(30^{\circ}\) with the horizontal. If \(g=10 \mathrm{~m} / \mathbf{s}^{2}\), the work done will be

268751 A particle of mass \(0.5 \mathrm{~kg}\) is displaced from position \(\overrightarrow{r_{1}}(2,3,1)\) to \(\overrightarrow{r_{2}}(4,3,2)\) by applying a force of magnitude \(30 \mathrm{~N}\) which is acting along \(\exists i+\hat{j}+\hat{k} \boxminus\). The work done by the force is

268752 Kinetic energy of a particle moving in a straight line varies with time \(\mathbf{t}\) as \(K=4 t^{2}\). The force acting on the particle

268705 A tennis ball has a mass of \(56.7 \mathrm{gm}\) and is served by a player with a speed of \(180 \mathrm{kmph}\). The work done in serving the ball is nearly

268706 A body of mass \(2 \mathrm{~kg}\) is projected vertically up with velocity \(5 \mathrm{~ms}^{-1}\). The work done on the body by gravitational force before it is brought to rest momentarily is

268750 A body of mass\(5 \mathbf{~ k g}\) is moved up over \(10 \mathrm{~m}\) along the line of greatest slope of a smooth inclined plane of inclination \(30^{\circ}\) with the horizontal. If \(g=10 \mathrm{~m} / \mathbf{s}^{2}\), the work done will be

268751 A particle of mass \(0.5 \mathrm{~kg}\) is displaced from position \(\overrightarrow{r_{1}}(2,3,1)\) to \(\overrightarrow{r_{2}}(4,3,2)\) by applying a force of magnitude \(30 \mathrm{~N}\) which is acting along \(\exists i+\hat{j}+\hat{k} \boxminus\). The work done by the force is

268752 Kinetic energy of a particle moving in a straight line varies with time \(\mathbf{t}\) as \(K=4 t^{2}\). The force acting on the particle

268705 A tennis ball has a mass of \(56.7 \mathrm{gm}\) and is served by a player with a speed of \(180 \mathrm{kmph}\). The work done in serving the ball is nearly

268706 A body of mass \(2 \mathrm{~kg}\) is projected vertically up with velocity \(5 \mathrm{~ms}^{-1}\). The work done on the body by gravitational force before it is brought to rest momentarily is

268750 A body of mass\(5 \mathbf{~ k g}\) is moved up over \(10 \mathrm{~m}\) along the line of greatest slope of a smooth inclined plane of inclination \(30^{\circ}\) with the horizontal. If \(g=10 \mathrm{~m} / \mathbf{s}^{2}\), the work done will be

268751 A particle of mass \(0.5 \mathrm{~kg}\) is displaced from position \(\overrightarrow{r_{1}}(2,3,1)\) to \(\overrightarrow{r_{2}}(4,3,2)\) by applying a force of magnitude \(30 \mathrm{~N}\) which is acting along \(\exists i+\hat{j}+\hat{k} \boxminus\). The work done by the force is

268752 Kinetic energy of a particle moving in a straight line varies with time \(\mathbf{t}\) as \(K=4 t^{2}\). The force acting on the particle

268705 A tennis ball has a mass of \(56.7 \mathrm{gm}\) and is served by a player with a speed of \(180 \mathrm{kmph}\). The work done in serving the ball is nearly

268706 A body of mass \(2 \mathrm{~kg}\) is projected vertically up with velocity \(5 \mathrm{~ms}^{-1}\). The work done on the body by gravitational force before it is brought to rest momentarily is

268750 A body of mass\(5 \mathbf{~ k g}\) is moved up over \(10 \mathrm{~m}\) along the line of greatest slope of a smooth inclined plane of inclination \(30^{\circ}\) with the horizontal. If \(g=10 \mathrm{~m} / \mathbf{s}^{2}\), the work done will be

268751 A particle of mass \(0.5 \mathrm{~kg}\) is displaced from position \(\overrightarrow{r_{1}}(2,3,1)\) to \(\overrightarrow{r_{2}}(4,3,2)\) by applying a force of magnitude \(30 \mathrm{~N}\) which is acting along \(\exists i+\hat{j}+\hat{k} \boxminus\). The work done by the force is

268752 Kinetic energy of a particle moving in a straight line varies with time \(\mathbf{t}\) as \(K=4 t^{2}\). The force acting on the particle