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Question
Q:- The speed of a car is continuously increasing. Its acceleration is 9 kilometers/hour2 it means its speed increases by 9 kilometers/hour in every 1 hour its intial speed is 3 kilometers/hour. After this the car travels for 35 hours. what will be its final speed.
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Step : 1
Given- acceleration = 9 kilometers/hour2
It means speed increase by 9 kilometers/hour in every 1 hour.
So, In 35 hours, the speed increases by 9x35 = 315 kilometers/hour .
As the intial speed of car is 3 kilometers/hour and the speed increases by 315 kilometers/hour.
So, final speed = (3+315) kilometers/hour
= 318 kilometers/hour.
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