1.Two objects of masses 200 g200\,\text{g}200g and 500 g500\,\text{g}500g possess velocities 10i^ m/s10\hat{i}\ \text{m/s}10i^ m/s and 3i^+5j^ m/s3\hat{i} + 5\hat{j}\ \text{m/s}3i^+5j^ m/s respectively. The velocity of their centre of mass in m/s isa.5i^−25j^5\hat{i} - 25\hat{j}5i^−25j^b.57i^−25j^\frac{5}{7}\hat{i} - 25\hat{j}75i^−25j^c.5i^+257j^5\hat{i} + \frac{25}{7}\hat{j}5i^+725j^d.25j^−57j^25\hat{j} - \frac{5}{7}\hat{j}25j^−75j^Login to continueOnly logged in users canattempt or see the solution.
