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10-09-2018
Physics

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It takes a truck 3.56 seconds to slow down from 112km/h to 87.4km/h what is it's average acceleration?

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doniyulexa doniyulexa

14-09-2018

a = (v2 -v1) / t v2-v1 = (87.4 - 112) = -24.6 km/h = -24.6/3.6 m/s = -6.833 m/s a = -6.8333 / 3.56 = -1.919 m/s2

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