Physics
Physics, 04.09.2019 23:30, alyssaboosiefkes

2. a race car starts at 400 m/s and then stops in 20 seconds. calculate acceleration. acceleration=final velocity - initial velocity/ change in time
a. -20 m/s2
b. 40 m/s2
c. 20 m/s2
d. 55 m/s2

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