A ball with a mass of 275 g is dropped from rest, hits the floor and rebounds upward. If the ball hits the floor with a speed of 2.20 m/s and rebounds with a speed of 1.80 m/s, determine the following. a) magnitude of the change in the ball's momentum (Let up be in the positive direction.)
b) change in the magnitude of the ball's momentum (Let negative values indicate a decrease in magnitude.)

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c) up

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  the unit of the measure =

explanation:

  the property that is quantified by the energy needed per of material to raise the temperature by one.

  si unit of energy = joule (j)

  si unit of temperature = kelvin (k)

  si unit of mass of material = kilogram (kg)

the property that is quantified by the energy needed per of material to raise the temperature by one is called specific heat.

the unit of specific heat is