document.write( "Question 686575: A sports car accelerates from rest to 40 m/s in 4 s. What is its acceleration?\r
\n" ); document.write( "\n" ); document.write( "I've tried, using the formula : a = vf - fi (over t)
\n" ); document.write( "and came up with the answer of -10 m/s^2 (squared)
\n" ); document.write( "But, I am not sure it is correct.
\n" ); document.write( "Any help would be appreciated.
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Algebra.Com's Answer #424836 by Alan3354(69443)\"\" \"About 
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A sports car accelerates from rest to 40 m/s in 4 s. What is its acceleration?
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\n" ); document.write( "It's 40/4 = 10 m/sec/sec
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