Physics-
General
Easy
Question
Electrostatic force on a charged particle is given by 
If q is positive 
and if q negative 
Question : In the figure 
Block A is neutral while 
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 ?
- 6 m/s
- 3 m/s
- 9 m/s
- 12 m/s
The correct answer is: 3 m/s
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