A bullet of mass 2 g carries a charge of 2 μC. Through what potential difference must it be accelerated, starting from rest, to acquire a speed of 10 m/s?
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A bullet of mass 2 g carries a charge of 2 μC. Through what potential difference must it be accelerated, starting from rest, to acquire a speed of 10 m/s?

G1 Physics · Accepted Answer

Step 1: Electric work qΔV converts to kinetic energy ½mv². Step 2: ΔV = mv²/(2q) = (0.002 × 10²)/(2 × 2 × 10⁻⁶). Step 3: ΔV = 50000 V = 50 kV.