Physics

A 52 kg woman is standing in a 26 kg cart that is moving a velocity of 1.2 m/s S. The woman staying rest then moves at a velocity of 1m/s (E) what is the final velocity of the cart?

I just ugh, don't even know how to even start answering the question as this deals with momentum and I ve been used to working with collision problems. South and east are set as + directions and cart is m1 ,, woman is m2. I know that momentum is conserved so Pi equals to pf but no clue how to go further than this

Thank you

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asked by Anna

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