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Grade: 11
        A strip of wood of mass M and length l is placed on a smooth horizontal surface.An insect of mass m starts at one end of the strip and walks to the other end in time t,moving with a constant speed.What is the speed of the insect seen from the ground?
5 months ago

Answers : (1)

Arun
11430 Points
							The concept is that the centre of mass wouldn`t change as there is no force in the horizontal direction so using equarion for velocity of centre of mass =0 and conservation of linear momentum u can solve it!! If u still dont understand just reply i will type in the solution
						
5 months ago
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