m‌=1g=10−3‌kg v‌=20‌cm∕s=20×10−20m∕s q‌=10−8C Vp‌=600‌volt VQ‌=0‌ volt ‌ Work done in moving the charge from P to Q W‌=qVPQ=10−8(600−0) ‌=600×10−8J From work energy theorem Work done = change in KE 600×10−8‌=‌