Part A) A particle of charge +2.1 μC is released from rest at the point x...

Part A)

A particle of charge +2.1 μC is released from rest at the point x = 72 cm on an x axis. The particle begins to move due to the presence of a charge Q that remains fixed at the origin. What is the kinetic energy of the particle at the instant it has moved 12 cm if (a)Q = +66 μC and (b)Q = –66 μC?

Part B)

Identical 53 μC charges are fixed on an x axis at x = ±3.2 m. A particle of charge q = –17 μC is then released from rest at a point on the positive part of the y axis. Due to the symmetry of the situation, the particle moves along the y axis and has kinetic energy 1.5 J as it passes through the point x = 0, y = 4.4 m. (a) What is the kinetic energy of the particle as it passes through the origin? (b) At what negative value of y will the particle momentarily stop?

Expert Solution

genius_generous answered 2 years ago

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