Two football players with mass 80 kg and 120 kg run directly toward each other with speeds of 8 m/s and 10 m/s respectively. If they grab each other as they collide, the combined speed of the two players just after the collision would be?
A. 6.5 m/s
B. 7.8 m/s
C. 9.2 m/s
D. 10.5 m/s

Question

Two football players with mass 80 kg and 120 kg run directly toward each other with speeds of 8 m/s and 10 m/s respectively. If they grab each other as they collide, the combined speed of the two players just after the collision would be?
 A. 6.5 m/s
 B. 7.8 m/s
 C. 9.2 m/s
 D. 10.5 m/s

Ijinyu1234 · Answer

﻿it is an inelastic collision. ﻿80kg(8m/s)+120kg(10m/s)=(80kg+120kg)v(final)(﻿640kgm/s+1200kgm/s)/200kg=v(final﻿V(final)= 9.2m/s

Two football players with mass 80 kg and 120 kg run directly toward each other with speeds of 8 m/s and 10 m/s respectively. If they grab each other as they collide, the combined speed of the two players just after the collision would be? A. 6.5 m/s B. 7.8 m/s C. 9.2 m/s D. 10.5 m/s

Answer (1)

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Two football players with mass 80 kg and 120 kg run directly toward each other with speeds of 8 m/s and 10 m/s respectively. If they grab each other as they collide, the combined speed of the two players just after the collision would be?
A. 6.5 m/s
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C. 9.2 m/s
D. 10.5 m/s

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