A 78.9 kg linebacker (X) is running at 6.83 m/s directly toward the sideline of a football field. He tackles a 89.1 kg running back (O) moving at 9.27 m/s straight toward the goal line, perpendicular to the original direction of the linebacker. As a result of the collision, both players momentarily leave the ground and go out-of-bounds at an angle o relative to the sideline, as shown in the diagrams. Before impact After impact What is the common speed vf of the players immediately after their impact?

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Chapter9: Momentum And Its Conservation
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A 78.9 kg linebacker (X) is running at 6.83 m/s directly toward the sideline of a football field. He tackles a 89.1 kg running back (O) moving at 9.27 m/s straight toward the goal line, perpendicular to the original direction of the linebacker. As a result of the collision, both players momentarily leave the ground and go out‑of‑bounds at an angle ϕ relative to the sideline, as shown in the diagrams. What is the common speed ?fvf of the players immediately after their impact? What is the angle ϕ of their motion relative to the sideline?

A 78.9 kg linebacker (X) is running at 6.83 m/s directly toward the sideline of a football field. He tackles a 89.1 kg running back
(0) moving at 9.27 m/s straight toward the goal line, perpendicular to the original direction of the linebacker. As a result of the
collision, both players momentarily leave the ground and go out-of-bounds at an angle o relative to the sideline, as shown in
the diagrams.
Before impact
After impact
What is the common speed vf of the players immediately after their impact?
6.08
Uf =
m/s
Incorrect
What is the angle o of their motion relative to the sideline?
31.89
Incorrect
Transcribed Image Text:A 78.9 kg linebacker (X) is running at 6.83 m/s directly toward the sideline of a football field. He tackles a 89.1 kg running back (0) moving at 9.27 m/s straight toward the goal line, perpendicular to the original direction of the linebacker. As a result of the collision, both players momentarily leave the ground and go out-of-bounds at an angle o relative to the sideline, as shown in the diagrams. Before impact After impact What is the common speed vf of the players immediately after their impact? 6.08 Uf = m/s Incorrect What is the angle o of their motion relative to the sideline? 31.89 Incorrect
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