Answer:
2
Step-by-step explanation:
a = final velocity - initial velocity
time
a = 20 - 10
5
a = 10
a = 2 m/s2
acceleration formula = final velocity - initial velocity
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final velocity = 25 km/h
initial velocity = 10 km/h
25 - 10 = 15 km/h
15/ 5 = 3 km/h ²
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