Questions
A man of 50kg is standing at one end on a boat of length 25m and mass 200kg. If he starts running and when he reaches the other end, he has a velocity 2ms-1 with respect to the boat. The final velocity of the boat is (in ms-1)
detailed solution
Correct option is A
v'=-2x50200+50=-25Talk to our academic expert!
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Four particles, each of mass 1kg, are placed at the corners of a square OABC of side 1m. ‘O’ is at the origin of the coordinate system. OA and OC are aligned along positive x-axis and positive y-axis respectively. The position vector of the centre of mass is (in ‘m’)
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