Two identical balls of mass 1.0 kg are initially separated by 4.0 m in a region of space in which they interact only with one another. When the balls are released from rest, they:
A
will accelerate
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B
will move with uniform velocity
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C
will not move
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D
will need a push to move
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Solution
The correct option is A will accelerate The particles will accelerate, since the first particle will experience an attractive potential and hence will move towards the other The correct option is option(a)