Asked by Nithiya
A 7kg box sled is coasting across frictionless ice at speed of 9 m/s when a 9kg package is dropped into it from above. what is the new speed of the sled?
Answers
Answered by
bobpursley
conservation of momentum...
7*9=(7+9)V
solve for V
7*9=(7+9)V
solve for V
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