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In figure shown on the right, the mass of the trolley is 100 kg, and it can move without friction on the horizontal floor. Its length is 12m. The mass of the girl is 50 kg. Friction exists between the shoes of the girl and the trolley''s upper surface, with µ = 1/3. The girl can run with a maximum speed = 9 m/s on the surface of the trolley, with respect to the surface. At t = 0 the girl starts running from rest to the right. The trolley was initially stationary. (g = 10 m/s2) The minimum time in which the girl can acquire her maximum speed, for no slipping, is____


In figure shown on the right, the mass of the trolley is 100 kg, and it can move without friction on the horizontal floor. Its length is 12m. The mass of the girl is 50 kg. Friction exists between the shoes of the girl and the trolley''s upper surface, with µ = 1/3. The girl can run with a maximum speed = 9 m/s on the surface of the trolley, with respect to the surface. At t = 0 the girl starts running from rest to the right. The trolley was initially stationary. (g = 10 m/s2)
The minimum time in which the girl can acquire her maximum speed, for no slipping, is____

Grade:12th Pass

2 Answers

vinay soni
4 Points
11 years ago

is it 3 sec.....!!

Suraj Mahajan
18 Points
11 years ago

I am sorry I don''t have the exact answer but please post a solution if possible.

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