Physics-
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Electrostatic force on a charged particle is given by stack F with rightwards arrow on top equals q stack E with rightwards arrow on top. If q is positive stack F with rightwards arrow on top upwards arrow upwards arrow stack E with rightwards arrow on top and if q negative stack F with rightwards arrow on top upwards arrow downwards arrow stack E with rightwards arrow on top
Question : In the figure m subscript A end subscript equals m subscript B end subscript equals 1 text end text k g. Block A is neutral while q subscript B end subscript equals negative 1 C. Sizes of A and B are negligible. B is released from rest at a distance 1.8 m from A. Initially spring is neither compressed nor elongated

Equilibrium position of the combined mass is at x=……….m.

  1. negative fraction numerator 2 over denominator 9 end fraction    
  2. negative fraction numerator 1 over denominator 3 end fraction    
  3. negative fraction numerator 5 over denominator 9 end fraction    
  4. negative fraction numerator 7 over denominator 9 end fraction    

The correct answer is: negative fraction numerator 5 over denominator 9 end fraction

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Electrostatic force on a charged particle is given by stack F with rightwards arrow on top equals q stack E with rightwards arrow on top. If q is positive stack F with rightwards arrow on top upwards arrow upwards arrow stack E with rightwards arrow on top and if q negative stack F with rightwards arrow on top upwards arrow downwards arrow stack E with rightwards arrow on top
Question : In the figure m subscript A end subscript equals m subscript B end subscript equals 1 text end text k g. Block A is neutral while q subscript B end subscript equals negative 1 C. Sizes of A and B are negligible. B is released from rest at a distance 1.8 m from A. Initially spring is neither compressed nor elongated

If collision between A and B is perfectly inelastic, what is velocity of combined mass just after collision ?

Electrostatic force on a charged particle is given by stack F with rightwards arrow on top equals q stack E with rightwards arrow on top. If q is positive stack F with rightwards arrow on top upwards arrow upwards arrow stack E with rightwards arrow on top and if q negative stack F with rightwards arrow on top upwards arrow downwards arrow stack E with rightwards arrow on top
Question : In the figure m subscript A end subscript equals m subscript B end subscript equals 1 text end text k g. Block A is neutral while q subscript B end subscript equals negative 1 C. Sizes of A and B are negligible. B is released from rest at a distance 1.8 m from A. Initially spring is neither compressed nor elongated

If collision between A and B is perfectly inelastic, what is velocity of combined mass just after collision ?

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