Answer:
The Machine exerts a force of 9N.
Explanation:
Initial velocity (u) = 0 m/s
Final velocity (v) = 30 m/s
Time (t) = 0.5 s
Acceleration (a) = (v-u)/t
= (30-0)/0.5 m/s²
= 30/0.5 m/s²
= 60 m/s²
Mass = 0.15 kg
Force = Mass*Acceleration
= 0.15*60 N
= 9 N
Explanation:
Because traditional economies are characterized as being primarily agricultural, they are prone to stagnation since they rely heavily on weather, which can be unpredictable and pragmatic.
The wealth of East African city-states was based on Trade.
If I was u I would go with A
Hope this helps:)
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