Bruce and Dave are rugby players. Dave runs at Bruce, who has the ball (see figure below, bird’s eye view). Bruce is 95 kg and is running directly in the x direction at B = 6.2 m/s. Dave is 77 kg and runs towards Bruce at D = 5.2 m/s and a relative angle of 22°. When Dave tackles Bruce, they become entangled and lose their footing on the playing surface (i.e. moving together). How fast do Dave and Bruce travel directly after the impact of the tackle in the x direction (To the right and up on the page are considered positive directions for the purposes of calculations)?
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