A Particle with Speed V₁ = 2

question 9

Multiple Choice

A particle with speed v₁ = 2.64  10⁶ m/s makes a glancing elastic collision with another particle that is at rest. Both particles have the same mass. After the collision, the struck particle moves off at 45^o to v₁. The speed of the struck particle after the collision is approximately

• A) 3.4  106 m/s.
• B) 1.3  106 m/s.
• C) 0.53  106 m/s.
• D) 1.9  106 m/s.
• E) 6.4  106 m/s.

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