A 5.00-g bullet is fired into a 950-g block of wood suspended as a ballistic pendulum. The combined mass swings up to a height of 8.00 cm. What was the kinetic energy of the bullet immediately before the collision?
a. 1.4E+2 J
b. 1.5E+3 kJ
c. 3.9E–3 J
d. 1.4E+8 J
e. 1.5E+2 J
a
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