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 9.00 cm. What was the kinetic energy of the bullet immediately before the collision?

Select one:

a. 0.004 J

b. 161 J

c. ​168 J

d. 1.609 J

e. 1.685 kJ