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`        For the motion of a particle, velocity  'v' depends on displacement x as v=20/(3x-2).If at t=0,x=0 then at what time t, the x=20?`
7 years ago

147 Points
```										Dear sindhuja
v=20/(3x-2)
v= dx/dt=20/(3x-2)
(3x-2)dx = 20 dt
∫(3x-2)dx  = ∫20 dt
intigrate
3 x2/2 -2x  =20t +C
given at t=0 ,x=0
so C=0
3  x2/2 -2x  =20t
now put x =20t
3*202/2 -2*20 =20t
or t= 30-2 =28 sec
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7 years ago
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