idekjenn5069 idekjenn5069

21-12-2022
Mathematics

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A van accelerates from 25 km/hr to 45 km/hr in 40 seconds. Calculate the average acceleration of the van in m/s^2?.

Respuesta :

mathstudent55 mathstudent55

21-12-2022

Answer:

a = 0.139 m/s²

Step-by-step explanation:

a = (v_2 - v_1)/t

a = (45 km/h - 25 km/h)/(40 s)

a = (20 km/h) / (40 s) × (1000 m)/(1 km) × (1 h)/(3600 s)

a = 0.139 m/s²

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