During a Snowball Fight Two Balls with Masses of 0

question 31

Multiple Choice

During a snowball fight two balls with masses of 0.30 and 0.70 kg,respectively,are thrown in such a manner that they meet head-on and combine to form a single mass.The magnitude of initial velocity for each is 12.0 m/s.What is the speed of the 1.0-kg mass immediately after collision?

• A)zero
• B)4.8 m/s
• C)12 m/s
• D)8.4 m/s
• E)3.6 m/s

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