kirti

work done by force is given w=f.s.show that w=delta k?

A 2 kg body and 3 kg body are moving along x-axis .At a particular instant ,the 2 kg body has a velocity of 3 m per sec and the 3 kg body has the velocity of 2 m per sec . The velocity of the center of mass at that instant is.

Two buses start from same bus stand at 8 a.m. One travel 40km/h and other travel at 50km/h. The second bus reaches the next stop at 10 a.m. How much later will the first bus arrive

no

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