A 60 kg person and an 75 kg person each jump off opposites sides of a 40 kg raft with a speed of 3.0 m/s. If the raft was initially at rest, what is the final speed of the raft? Was this collision elastic? Explain.
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Ответ:
x=12
Step-by-step explanation:
The correct question is
Figure ABCD is a rhombus, and m<AEB=7x+6. Solve for x
see the attached figure to better understand the problem
we know that
The diagonals in a rhombus are perpendicular
so
we have that
so
solve for x