Collision between football players

[kmax12]

A 89.3 kg fullback running east with a speed of 4.91 m/s is tackled by a 94.7 kg opponent running north with a speed of 2.98 m/s.

(a) If the collision is perfectly inelastic, calculate the speed and direction of the players just after the tackle.
___m/s___° (north of east)
(b) Determine the energy lost as a result of the collision.

___J
Account for the missing energy.

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[Sourabh N]

Show your effort.