141658 Particle \(A\) (which is located at the origin at time \(t=0\) ) is moving along the \(x\) - axis with a constant velocity \(1 \mathrm{~ms}^{-1}\). Another particle \(B\) is moving along the \(y\)-axis according to, \(y=c^{3}\); \(c=1 \mathrm{~ms}^{-1}\). Then the velocity of \(A\) relative to \(B\) at \(\mathbf{t}=\mathbf{1}\) is
141660 Two cars \(A\) and \(B\) initially at rest are moving in same direction with accelerations \(a_{1}\) and \(a_{2}\) respectively. After a certain time, they achieve velocities \(v_{1}\) and \(v_{2}\) respectively and separated are by a distance of \(50 \mathrm{~m}\). If \(\left(a_{1}-a_{2}\right)=4 \mathrm{~m} / \mathrm{s}^{2}\), then the quantity \(\left(v_{1}-v_{2}\right)\) will be
141658 Particle \(A\) (which is located at the origin at time \(t=0\) ) is moving along the \(x\) - axis with a constant velocity \(1 \mathrm{~ms}^{-1}\). Another particle \(B\) is moving along the \(y\)-axis according to, \(y=c^{3}\); \(c=1 \mathrm{~ms}^{-1}\). Then the velocity of \(A\) relative to \(B\) at \(\mathbf{t}=\mathbf{1}\) is
141660 Two cars \(A\) and \(B\) initially at rest are moving in same direction with accelerations \(a_{1}\) and \(a_{2}\) respectively. After a certain time, they achieve velocities \(v_{1}\) and \(v_{2}\) respectively and separated are by a distance of \(50 \mathrm{~m}\). If \(\left(a_{1}-a_{2}\right)=4 \mathrm{~m} / \mathrm{s}^{2}\), then the quantity \(\left(v_{1}-v_{2}\right)\) will be
141658 Particle \(A\) (which is located at the origin at time \(t=0\) ) is moving along the \(x\) - axis with a constant velocity \(1 \mathrm{~ms}^{-1}\). Another particle \(B\) is moving along the \(y\)-axis according to, \(y=c^{3}\); \(c=1 \mathrm{~ms}^{-1}\). Then the velocity of \(A\) relative to \(B\) at \(\mathbf{t}=\mathbf{1}\) is
141660 Two cars \(A\) and \(B\) initially at rest are moving in same direction with accelerations \(a_{1}\) and \(a_{2}\) respectively. After a certain time, they achieve velocities \(v_{1}\) and \(v_{2}\) respectively and separated are by a distance of \(50 \mathrm{~m}\). If \(\left(a_{1}-a_{2}\right)=4 \mathrm{~m} / \mathrm{s}^{2}\), then the quantity \(\left(v_{1}-v_{2}\right)\) will be
141658 Particle \(A\) (which is located at the origin at time \(t=0\) ) is moving along the \(x\) - axis with a constant velocity \(1 \mathrm{~ms}^{-1}\). Another particle \(B\) is moving along the \(y\)-axis according to, \(y=c^{3}\); \(c=1 \mathrm{~ms}^{-1}\). Then the velocity of \(A\) relative to \(B\) at \(\mathbf{t}=\mathbf{1}\) is
141660 Two cars \(A\) and \(B\) initially at rest are moving in same direction with accelerations \(a_{1}\) and \(a_{2}\) respectively. After a certain time, they achieve velocities \(v_{1}\) and \(v_{2}\) respectively and separated are by a distance of \(50 \mathrm{~m}\). If \(\left(a_{1}-a_{2}\right)=4 \mathrm{~m} / \mathrm{s}^{2}\), then the quantity \(\left(v_{1}-v_{2}\right)\) will be