270145 A ball of mass'm' is thrown at an angle is ' \(\theta\) ' with the horizontal with an initial velocity ' \(u\) '.The change in its momentum during its flight in a time interval of ' \(t\) ' is

270144 A small sphere of mass \(m=2 \mathrm{~kg}\) moving with a velocity \(\bar{u}=4 \hat{i}-7 \hat{j} \mathrm{~m} / \mathrm{s}\) collides with a smooth wall and returns with a velocity \(\bar{v}=\hat{i}+3 \hat{j} \mathrm{~m} / \mathrm{s}\). The magnitude of the impulse received by the ball is

270146 A body of mass \(2 \mathrm{~kg}\) has an initial speed \(5 \mathrm{~ms}^{-1}\). A force acts on it for 4 seconds in the direction of motion. The force time graph is shown in figure. The final speed of the body is

270147 A force time graph for the motion of a body is as shown in figure. Change in linear momentum between 0 and \(6 s\) is

270148 An object of mass \(3 \mathrm{~kg}\) is at rest. Now a force \(F=6 t^{2} \hat{i}+2 t \hat{j} \mathbf{N}\) is applied on the object. Find the velocity of the object at \(t=3\) sec.

270145 A ball of mass'm' is thrown at an angle is ' \(\theta\) ' with the horizontal with an initial velocity ' \(u\) '.The change in its momentum during its flight in a time interval of ' \(t\) ' is

270144 A small sphere of mass \(m=2 \mathrm{~kg}\) moving with a velocity \(\bar{u}=4 \hat{i}-7 \hat{j} \mathrm{~m} / \mathrm{s}\) collides with a smooth wall and returns with a velocity \(\bar{v}=\hat{i}+3 \hat{j} \mathrm{~m} / \mathrm{s}\). The magnitude of the impulse received by the ball is

270146 A body of mass \(2 \mathrm{~kg}\) has an initial speed \(5 \mathrm{~ms}^{-1}\). A force acts on it for 4 seconds in the direction of motion. The force time graph is shown in figure. The final speed of the body is

270147 A force time graph for the motion of a body is as shown in figure. Change in linear momentum between 0 and \(6 s\) is

270148 An object of mass \(3 \mathrm{~kg}\) is at rest. Now a force \(F=6 t^{2} \hat{i}+2 t \hat{j} \mathbf{N}\) is applied on the object. Find the velocity of the object at \(t=3\) sec.

270145 A ball of mass'm' is thrown at an angle is ' \(\theta\) ' with the horizontal with an initial velocity ' \(u\) '.The change in its momentum during its flight in a time interval of ' \(t\) ' is

270144 A small sphere of mass \(m=2 \mathrm{~kg}\) moving with a velocity \(\bar{u}=4 \hat{i}-7 \hat{j} \mathrm{~m} / \mathrm{s}\) collides with a smooth wall and returns with a velocity \(\bar{v}=\hat{i}+3 \hat{j} \mathrm{~m} / \mathrm{s}\). The magnitude of the impulse received by the ball is

270146 A body of mass \(2 \mathrm{~kg}\) has an initial speed \(5 \mathrm{~ms}^{-1}\). A force acts on it for 4 seconds in the direction of motion. The force time graph is shown in figure. The final speed of the body is

270147 A force time graph for the motion of a body is as shown in figure. Change in linear momentum between 0 and \(6 s\) is

270148 An object of mass \(3 \mathrm{~kg}\) is at rest. Now a force \(F=6 t^{2} \hat{i}+2 t \hat{j} \mathbf{N}\) is applied on the object. Find the velocity of the object at \(t=3\) sec.

270145 A ball of mass'm' is thrown at an angle is ' \(\theta\) ' with the horizontal with an initial velocity ' \(u\) '.The change in its momentum during its flight in a time interval of ' \(t\) ' is

270144 A small sphere of mass \(m=2 \mathrm{~kg}\) moving with a velocity \(\bar{u}=4 \hat{i}-7 \hat{j} \mathrm{~m} / \mathrm{s}\) collides with a smooth wall and returns with a velocity \(\bar{v}=\hat{i}+3 \hat{j} \mathrm{~m} / \mathrm{s}\). The magnitude of the impulse received by the ball is

270146 A body of mass \(2 \mathrm{~kg}\) has an initial speed \(5 \mathrm{~ms}^{-1}\). A force acts on it for 4 seconds in the direction of motion. The force time graph is shown in figure. The final speed of the body is

270147 A force time graph for the motion of a body is as shown in figure. Change in linear momentum between 0 and \(6 s\) is

270148 An object of mass \(3 \mathrm{~kg}\) is at rest. Now a force \(F=6 t^{2} \hat{i}+2 t \hat{j} \mathbf{N}\) is applied on the object. Find the velocity of the object at \(t=3\) sec.

270145 A ball of mass'm' is thrown at an angle is ' \(\theta\) ' with the horizontal with an initial velocity ' \(u\) '.The change in its momentum during its flight in a time interval of ' \(t\) ' is

270144 A small sphere of mass \(m=2 \mathrm{~kg}\) moving with a velocity \(\bar{u}=4 \hat{i}-7 \hat{j} \mathrm{~m} / \mathrm{s}\) collides with a smooth wall and returns with a velocity \(\bar{v}=\hat{i}+3 \hat{j} \mathrm{~m} / \mathrm{s}\). The magnitude of the impulse received by the ball is

270146 A body of mass \(2 \mathrm{~kg}\) has an initial speed \(5 \mathrm{~ms}^{-1}\). A force acts on it for 4 seconds in the direction of motion. The force time graph is shown in figure. The final speed of the body is

270147 A force time graph for the motion of a body is as shown in figure. Change in linear momentum between 0 and \(6 s\) is

270148 An object of mass \(3 \mathrm{~kg}\) is at rest. Now a force \(F=6 t^{2} \hat{i}+2 t \hat{j} \mathbf{N}\) is applied on the object. Find the velocity of the object at \(t=3\) sec.