A skate boarder moves at constant velocity across a horizontal surface. She tosses her phone vertically relative to the surface and continues forward at the same velocity. According to the skate boarder and ignoring air resistance, where does the phone land? where it was tossed from behind the skater

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Q: 1 0 3 000 예 2

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A: mass of box = m = 10 kg co efficient of friction = 0.7 acceleration = a = 6 m/s2

Projectile Motion