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3. a 47 g ball is fired horizontally with initial speed...

# Question: a 47 g ball is fired horizontally with initial speed...

###### Question details

A 47 g ball is fired horizontally with initial speed v0toward a 110 g ball that is hanging motionless from a 1.1 m -long string. The balls undergo a head-on, perfectly elastic collision, after which the 110 g ball swings out to a maximum angle θmax = 52 ∘

What was v0?