24 (m/s) / 18 s = 1.33 m/s/s or 1.33 m/s2
24 (m/s) / 18 s = 1.33 m/s/s or 1.33 m/s2
24 (m/s) / 18 s = 1.33 m/s/s or 1.33 m/s2
24 (m/s) / 18 s = 1.33 m/s/s or 1.33 m/s2
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Acceleration cannot be measured in metres per second. There is, therefore a fundamental problem with the question.
(10 - 30)/4 = -5.0 meters per second per second (which can be written also as meters per second squared).
(change in velocity)/(change in time)=avg. acceleration (-30 m/s)/(15s)= -2 m/s2
most common answer; 0. +++ The '0' value is correct - a constant speed or velocity (not synonyms) is one of no acceleration or deceleration - but it's not the "most common" answer, it is THE answer! :-)
Many things are taken into consideration when designing cars. Among them are air flow, weight to power ratios and acceleration curves. These are all calculated using calculus and higher math.