A 00030-Kg Lead Bullet Is Traveling at a Speed of 300

Multiple Choice

A 0.0030-kg lead bullet is traveling at a speed of 300 m/s when it embeds in a block of ice at 0 $\degree$ C. If all the heat generated goes into melting ice, what quantity of ice is melted? (L_f = 80 kcal/kg, the specific heat of lead = 0.03 kcal/kg· $\degree$ C, and 1 kcal = 4186 J)

A) 1.47 *10 ^{- 2} kg
B) 4.0 *10 ^{- 4} kg
C) 3.2 *10^-3 kg
D) 2.6 *10^-4 kg