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Question
Q:- The speed of a car increases with constant acceleration of 6 kilometers/hour2 for 32 hours. Its Final Speed is 209 kilometers/hour
Find [1] How much is its Initial speed.
Find [2] How much was its Distance travelled
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Step : 1
Final Speed = Initial Speed + Acceleration x Time of Acceleration
209 = S1 + 6 x 32
209 - 6 x 32= S1 = 17
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Step : 2
Average Speed (when acceleration is constant)= [(Initial Speed + Final Speed) /2 ]
=>Sav = [ (17 + 209)/2 ] = 113 kilometers/hour
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Step : 3
Distance Travelled= Average Speed x Time of Acceleration
= 113 x 32
3616 kilometers
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