Physics, 29.04.2021 22:20, karmaxnagisa20

A semi-truck is going up a steep hill and its speed changes from 65 mi/hr to 40 mi/hr when it reaches the top in 8 minutes. What is the truck's acceleration? If the acceleration is negative, what is it called? SHOW YOUR WORK.

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A semi-truck is going up a steep hill and its speed changes from 65 mi/hr to 40 mi/hr when it reache...