Physics, 02.08.2019 13:20 genyjoannerubiera

Snowboarding cautiously down a steep slope at a speed of 5.3 m/sec, sarah, whose mass is 53.0 kilograms, is afraid she won't have enough speed to travel up a slight uphill grade ahead of her. she extends her hand as her friend trevor, having a mass of 100 kilograms is about to pass her traveling at 16 m/sec. if trevor grabs her hand, calculate the speed at which the friends will be sliding.

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Snowboarding cautiously down a steep slope at a speed of 5.3 m/sec, sarah, whose mass is 53.0 kilogr...

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