Asked by ana
A 55-kg person walks due north with a speed of 1.1 m/s, and her 7.0-kg dog runs directly toward her, moving due south, with a speed of 1.8 m/s.
Answers
Answered by
Damon
initial momentum north = 55*1.1-7*1.8
Now I assume she picks the dog up and the system moves on with the same momentum
final momentum north = (55+7)v
so
62 v = 55*1.1 - 7*1.8
Now I assume she picks the dog up and the system moves on with the same momentum
final momentum north = (55+7)v
so
62 v = 55*1.1 - 7*1.8
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