Multiple Choice
Daisy (50. kg mass) skates on ice at 4.0 m/s to greet her friend (70. kg mass) , who is standing still, with open arms. As they collide, while holding each other, with what speed do they both move off together?
A) zero
B) 2.5 m/s
C) 5.0 m/s
D) 1.7 m/s
Correct Answer:
Verified
Correct Answer:
Verified
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