A 20-Kg Pistol Fires a 1

question 62

Multiple Choice

A 2.0-kg pistol fires a 1.0-g bullet with a muzzle speed of 1000 m/s. The bullet then strikes a 10-kg wooden block resting on a horizontal frictionless surface. The block and the embedded bullet then slide across the surface.
-What is the speed of the "bullet + block" system immediately after the bullet is embedded in the block?

• A)0.1 m/s
• B)10 m/s
• C)1000 m/s
• D)10 000 m/s
• E)zero m/s

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