bn725434 bn725434

22-09-2018
Physics

contestada

two ice skaters push each other, and move in opposite directions. the mass of one is 75 kg, and his speed is 2 m/s. if the mass of the other is 30 kg, what is her speed?

Respuesta :

osprey2015 osprey2015

23-09-2018

momentum conservation

75x2 = 30 x her speed

75x2/30=150/30=5m/s

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