問題詳情
37. A charged dust particle of mass m = 32 mg and charge value q =100 nC is releasing from plate 1 with zero speed, whereV1 = 130 V, and V2 = –30 V. The dust particle velocity when reaching plate 2 is,
(A) 0.03 m/s
(B) 0.05 m/s
(C) 0.75 m/s
(D) 1.00 m/s
(E) 1.25 m/s