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Sahay Sir > Question Answers > Cengage JEE Mains Physics by B.M Sharma > Chapter 18 - Electric Potential and Capacitance > A particle of mass 40 mg and carrying a charge 5×10^−9C is moving directly towards a fixed positive point charge on magnitude 10^−8C. When it is at a distance of 10 cm from the fixed positive point charge it has a velocity of 50cms^−1 at what distance from the fixed point charge will the particle come momentarily to rest ?

A particle of mass 40 mg and carrying a charge 5×10^−9C is moving directly towards a fixed positive point charge on magnitude 10^−8C. When it is at a distance of 10 cm from the fixed positive point charge it has a velocity of 50cms^−1 at what distance from the fixed point charge will the particle come momentarily to rest ?

Two point charges A=+3nC and B=+1nC are placed 5 cm apart in air. The work done to move charge B towards A by 1cm is