Jerome plays middle linebacker for souths varsity football team. in a game against cross-town rival north, he delivered a hit to north's 82-kg running back, changing his eastward velocity of 5.6 m/s into a westward velocity of 2.5 m/s. determine that momentum change of the running back

The momentum change of the running back is - 664.2 kg m/s or 664 west.

Explanation:

Momentum is defined as the change in velocity of any object along with its mass. So mathematically, momentum can be derived using the product of mass with the change in velocity.

As here mass is given as 82 kg and the initial velocity was 5.6 m/s and final velocity is 2.5 m/s.

      Initial Momentum =

      Final Momentum =

      Momentum change = Final Momentum - Initial Momentum

      Momentum change = - 205 - 459.2 = - 664.2 kg m/s or 664 west

Thus, the changing momentum is -664.2 kg m/s. The negative sign indicates that the momentum is acting in the opposite direction on changing in the direction of velocity.

gravititional force is a force that is acting around you, it is non-contactable and it is a force that pulls you to the core of the earth.

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