A Particle (M = 50 G, Q = 5 $\mu$ C) Is Released from Rest When It Is 50 Cm

Multiple Choice

A particle (m = 50 g, q = 5.0 $\mu$ C) is released from rest when it is 50 cm from a second particle (Q = -20 $\mu$ C) .Determine the magnitude of the initial acceleration of the 50-g particle.

A) 54 m/s2
B) 90 m/s2
C) 72 m/s2
D) 65 m/s2
E) 36 m/s2