A 500-G Bullet Is Fired into a 800-G Block of Wood

question 9

Multiple Choice

A 5.00-g bullet is fired into a 800-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) 102 J
• B) 1.262 kJ
• C) 0.004 J
• D) 1.016 J
• E) ​126 J

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