Two objects of masses 200 {\g} and 500 {\g} possess velocities 10 \stackrel{\^}{\bo {i}} {\m} \/ { s} and 3 \stackrel{\^}{\bo {i}}+5 \stackrel{\^}{\bo {j}} {\m} \/ { s} respectively. The velocity of their centre of mass in {\m} \/ { s} is :

5 \stackrel{\^}{\bo {i}}-25 \stackrel{\^}{\bo {j}}

\frac{5}{7} \stackrel{\^}{\bo {i}}-25 \stackrel{\^}{\bo {j}}

5 \stackrel{\^}{\bo {i}}+\frac{25}{7} \stackrel{\^}{\bo {j}}

25 \stackrel{\^}{\bo {j}}-\frac{5}{7} \stackrel{\^}{\bo {j}}

EAMCET Engineering 2003 Solved Paper

Section: Physics

Question : 36 of 160

Marks: +1, -0

Two objects of masses 200g and 500g possess velocities 10

m∕ s and 3

m∕ s respectively. The velocity of their centre of mass in m∕ s is :

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