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A 900- kg car collides with a 1300- kg car that was initially at rest at...

A 900- kg car collides with a 1300- kg car that was initially at rest at the origin of an x-y coordinate system. After the collision, the lighter car moves at 10.0 km/h in a direction of 35 o with respect to the positive x axis. The heavier car moves at 13 km/h at -49 o with respect to the positive x axis.
What was the initial speed of the lighter car (in km/h)? (I understand this, I need help with the second part of this question-it is ** below. I left this answer in case it is needed to solve the second question. Please show work, I am very confused. Thanks!)
2.22×101 km/h

You are correct.
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*****What was the initial direction (as measured counterclockwise from the x-axis)?******

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