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Sahay Sir > Question Answers > Cengage NEET by C.P Singh > Part 1 > Chapter 10 - COM, Momentum and Collision > A boy (massof40kg) is standing at one end of a boat (mass of 60 kg) in still water. The length of the boat is 10m and the boy takes 2s to reach at other end of boat moving with constant speed. Assuming no friction between the boat and the water. (i) The distance covered by the boat is 4m (ii) The distance covered by the boy with respect to the ground is 6m. (iii) The velocity of the boy with respect to the ground is

A boy (massof40kg) is standing at one end of a boat (mass of 60 kg) in still water. The length of the boat is 10m and the boy takes 2s to reach at other end of boat moving with constant speed. Assuming no friction between the boat and the water. (i) The distance covered by the boat is 4m (ii) The distance covered by the boy with respect to the ground is 6m. (iii) The velocity of the boy with respect to the ground is

A rod of length is 3m and its mass per unit length is directly proportional to distance x from one end the centre of gravity of the rod from that end will be at