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OpenStudy (anonymous):
A child runs horizontally 3m/s and hops into a stationary wagon with mass 6kg. the wagon and child then move up an 8 degree frictionless hill before stopping 2m along the slope. find the mass of the child
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OpenStudy (anonymous):
\[m_cv_c=(m_c+m_w)v'\]
OpenStudy (anonymous):
\[m_c=\frac{(m_c+m_w)v'}{v_c}\]
OpenStudy (anonymous):
|dw:1353372278192:dw|
OpenStudy (anonymous):
|dw:1353372844736:dw|
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