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Physics 4 Online
OpenStudy (lgbasallote):

At one instant, a 17.5-kg sled is moving over a horizontal surface of snow at 3.50 m/s. After 8.75 s has elapsed, the sled stops. Use momentum approach to find the average friction force acting on the sled while it was moving

OpenStudy (lgbasallote):

can someone explain to me what that means?

OpenStudy (lgbasallote):

@TuringTest i heard you were good with Physics?

mathslover (mathslover):

wait please

OpenStudy (lgbasallote):

sure

mathslover (mathslover):

|dw:1346978179656:dw| are these right?

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