If a car decelerates from 20 m/s to 15 m/s in 5 s, what is Delta v? A: -5 m/s
B: -1 m/s
C: 1 m/s
D: 5m/s

see earlier answer

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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