A rugby player with a mass of 80 kg is running due north
with a speed of 4m / s . he is hit by a 90 kg rival at 5m / s at an
angle 30 from the south. the two players move together with an
unknown velocity before falling to the ground. find their combined
speed and direction.
A rugby player with a mass of 80 kg is running due north with a speed of 4m / s . he is hit by a 90 kg rival at 5m / s a
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